cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Universality of Electron Mobility in LaAlO$_3$/SrTiO$_3$ and bulk SrTiO$_3$
Creators: name: Trier, F.
name: Reich, K. V.
name: Christensen, D. V.
name: Zhang, Y.
name: Tuller, H. L.
name: Chen, Y. Z.
name: Shklovskii, B. I.
name: Pryds, N.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Metallic LaAlO$_3$/SrTiO$_3$ (LAO/STO) interfaces attract enormous attention, but the relationship between the electron mobility and the sheet electron density, $n_s$, is poorly understood. Here we derive a simple expression for the three-dimensional electron density near the interface, $n_{3D}$, as a function of $n_s$ and find that the mobility for LAO/STO-based interfaces depends on $n_{3D}$ in the same way as it does for bulk doped STO. It is known that undoped bulk STO is strongly compensated with $N \simeq 5 \times 10^{18}~\rm{cm^{-3}}$ background donors and acceptors. In intentionally doped bulk STO with a concentration of electrons $n_{3D} < N$ background impurities determine the electron scattering. Thus, when $n_{3D} < N$ it is natural to see in LAO/STO the same mobility as in the bulk. On the other hand, in the bulk samples with $n_{3D} > N$ the mobility collapses because scattering happens on $n_{3D}$ intentionally introduced donors. For LAO/STO the polar catastrophe which provides electrons is not supposed to provide equal number of random donors and thus the mobility should be larger. The fact that the mobility is still the same implies that for the LAO/STO the polar catastrophe model should be revisited.
description: 4 pages and 1 figure
Empfangene Bücher / Books received / Livres reçus
Creators: name: Die Redaktion
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
Quantum Confinement Induced Shift in Energy Band Edges and Band Gap of Spherical Quantum Dot
Creators: name: Borah, P.
name: Siboh, D.
name: Kalita, P. K.
name: Sarma, J. K.
name: Nath, N. M.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We have proposed and validated an ansatz as effective potential for confining electron/hole within spherical quantum dot in order to understand quantum confinement and its consequences associated with energy states and band gap of Spherical Quantum Dot. Within effective mass approximation formalism, considering an ansatz incorporating a conjoined harmonic oscillator and coulomb interaction as the effective potential for confining an electron or a hole within a spherical quantum dot and by employing appropriate boundary conditions we have calculated the shifts in energy of minimum of conduction band(CBM) and maximum of valence band(VBM) with respect to size of spherical quantum dot. We have also determined the quantum confinement induced shift in band gap energy of spherical quantum dot. In order to verify our theoretical predictions as well as to validate our ansatz, we have performed phenomenological analysis in comparison with available experimental results for quantum dots made of CdSe and observe a very good agreement in this regard. Our experimentally consistent theoretical results also help in mapping the probability density of electron and hole inside spherical quantum dot. The consistency of our results with available experimental data signifies the capability as well as applicability of the ansatz for the effective confining potential to have reasonable information in the study of real nano-structured spherical systems.
description: 16 pages, 7 figures
Dynamics and decoherence in nonideal Thouless quantum motors
Creators: name: Fernández-Alcázar, Lucas J.
name: Pastawski, Horacio M.
name: Bustos-Marún, Raúl A.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Different proposals for adiabatic quantum motors (AQMs) driven by DC currents have recently attracted considerable interest. However, the systems studied are often based on simplified models with highly ideal conditions where the environment is neglected. Here, we investigate the performance (dynamics, efficiency, and output power) of a prototypical AQM, the Thouless motor. To include the effect of the surroundings on this type of AQMs, we extended our previous theory of decoherence in current-induced forces (CIFs) to account for spatially distributed decoherent processes. We provide analytical expressions that account for decoherence in CIFs, friction coefficients and the self-correlation functions of the CIFs. We prove that the model is thermodynamically consistent and we find that decoherence drastically reduces the efficiency of the motor mainly due to the increase in conductance, while its effect on the output power is not much relevant. The effect of decoherence on the current-induced friction depends on the length of the system, reducing the friction for small systems while increasing it for long ones. Finally, we find that reflections of the electrons at the boundary of the system induce additional conservative forces that affect the dynamics of the motor. In particular, this results in the hysteresis of the system and a voltage dependent switching.
From Supersymmetric Quantum Mechanics to Scalar Field Theories
Creators: name: Bazeia, D.
name: Bemfica, F. S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this work we address the reconstruction problem, investigating the construction of field theories from supersymmetric quantum mechanics. The procedure is reviewed, starting from reflectionless potentials that admit one and two bound states. We show that, although the field theory reconstructed from the potential that support a single bound state is unique, it may break unicity in the case of two bound states. We illustrate this with an example, which leads us with two distinct field theories.
description: 5 pages, 1 figures, version shortened, to appear in PRD
Guido Furlan, Dating Urban Classical Deposits. Approaches and Problems in Using Finds to Date Strata
Creators: name: Lappi, Thomas
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Rezension zu: Guido Furlan, Dating Urban Classical Deposits. Approaches and Problems in Using Finds to Date Strata. Archaeopress, Oxford 2019. £ 48,–. ISBN 978-1-78969-252-5 (Paperback). ISBN 978-1-78969-253-2 (E-Book; im Open Access verfügbar: https://www.archaeopress. com/Archaeopress/download/9781789692525 [letzter Zugriff: 20.05.2022]). xiv + 288 Seiten, 153 Abbildungen und 6 Tabellen, davon 71 Seiten in Farbe
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
Spin anisotropic interactions of lower-polaritons in the vicinity of polaritonic Feshbach resonance
Creators: name: Takemura, N.
name: Anderson, M. D.
name: Navadeh-Toupchi, M.
name: Oberli, D. Y.
name: Portella-Oberli, M. T.
name: Deveaud, B.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We determine experimentally the spinor interaction constants of lower-polaritons $α_1$ and $α_2$ using resonant pump-probe spectroscopy with a spectrally narrow pump pulse. Our experimental findings are analyzed with the Bogoliubov-like theory and mean-field two channel model based on the lower-polariton and biexciton basis. We find an enhancement of the attractive interaction and dissipative nonlinearity of lower-polaritons with anti-parallel spins in the vicinity of the biexciton resonance when the energy of two lower-polaritons approaches energetically that of the biexciton. These observations are consistent with the existence of a scattering resonance between lower-polaritons and biexcitons (polaritonic Feshbach resonance).
Oliver Nakoinz, Zentralität. Theorie, Methoden und Fallbeispiele zur Analyse zentraler Orte
Creators: name: Kempf, Michael
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Rezension zu: Oliver Nakoinz, Zentralität. Theorie, Methoden und Fallbeispiele zur Analyse zentraler Orte. Berlin Studies of the Ancient World Band 56. Edition Topoi, Berlin 2019. € 33.90. ISBN 978-3-9819685-4-5. doi: https://doi.org/10.17171/3-56. 238 pages
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
Efficient computation of the $W_3$ topological invariant and application to Floquet-Bloch systems
Creators: name: Höckendorf, B.
name: Alvermann, A.
name: Fehske, H.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We introduce an efficient algorithm for the computation of the $W_3$ invariant of general unitary maps, which converges rapidly even on coarse discretization grids. The algorithm does not require extensive manipulation of the unitary maps, identification of the precise positions of degeneracy points, or fixing the gauge of eigenvectors. After construction of the general algorithm, we explain its application to the $2+1$ dimensional maps that arise in the Floquet-Bloch theory of periodically driven two-dimensional quantum systems. We demonstrate this application by computing the $W_3$ invariant for an irradiated graphene model with a continuously modulated Hamilton operator, where it predicts the number of anomalous edge states in each gap.
description: 16 pages, 8 figures. Version as published
The bright-star masks for the HSC-SSP survey
Creators: name: Coupon, Jean
name: Czakon, Nicole
name: Bosch, James
name: Komiyama, Yutaka
name: Medezinski, Elinor
name: Miyazaki, Satoshi
name: Oguri, Masamune
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We present the procedure to build and validate the bright-star masks for the Hyper-Suprime-Cam Strategic Subaru Proposal (HSC-SSP) survey. To identify and mask the saturated stars in the full HSC-SSP footprint, we rely on the Gaia and Tycho-2 star catalogues. We first assemble a pure star catalogue down to $G_{\rm Gaia} < 18$ after removing $\sim1.5\%$ of sources that appear extended in the Sloan Digital Sky Survey (SDSS). We perform visual inspection on the early data from the S16A internal release of HSC-SSP, finding that our star catalogue is $99.2\%$ pure down to $G_{\rm Gaia} < 18$. Second, we build the mask regions in an automated way using stacked detected source measurements around bright stars binned per $G_{\rm Gaia}$ magnitude. Finally, we validate those masks from visual inspection and comparison with the literature of galaxy number counts and angular two-point correlation functions. This version (Arcturus) supersedes the previous version (Sirius) used in the S16A internal and DR1 public releases. We publicly release the full masks and tools to flag objects in the entire footprint of the planned HSC-SSP observations at this address: ftp://obsftp.unige.ch/pub/coupon/brightStarMasks/HSC-SSP/.
description: 20 pages, 17 figures, accepted for publication in PASJ
Holographic Ward identities for symmetry breaking in two dimensions
Creators: name: Argurio, Riccardo
name: Giribet, Gaston
name: Marzolla, Andrea
name: Naegels, Daniel
name: Sierra-Garcia, J. Anibal
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate symmetry breaking in two-dimensional field theories which have a holographic gravity dual. Being at large N, the Coleman theorem does not hold and Goldstone bosons are expected. We consider the minimal setup to describe a conserved current and a charged operator, and we perform holographic renormalization in order to find the correct Ward identities describing symmetry breaking. This involves some subtleties related to the different boundary conditions that a vector can have in the three-dimensional bulk. We establish which is the correct prescription that yields, after renormalization, the same Ward identities as in higher dimensions.
description: 20 pages. v2 comments added. Version to appear in JHEP
Jannis Kozatsas, The Dialectic of Practice and the Logical Structure of the Tool. Philosophy, Archaeology and the Anthropology of Technology
Creators: name: Jung, Matthias
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Rezension zu: Jannis Kozatsas, The Dialectic of Practice and the Logical Structure of the Tool. Philosophy, Archaeology and the Anthropology of Technology. Praehistorica Mediterranea 7. Archaeopress Publishing LTD, Oxford 2020. € 22,50. ISBN 978-1-78969-404-8. 90 Seiten
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
Deliverable D4.1 Technology Integration Plan, C-REL
Creators: name: Politecnico Di Milano
name: Ethniko Kentro Erevnas Kai Technologikis Anaptyxis
name: Aethon Symvouli Michaniki Monoprosopi Ike
name: FSTechnology S.P.A.
name: Sparsity SL
name: Ferrocarril Metropolita De Barcelona SA
Publisher: name: Zenodo
Year: 2023

description: This document has been prepared to provide a plan for the technical integration of the services that are involved in the C-REL version of the demonstrations to be carried out within the IP4MaaS project. The document first summarizes the services to be integrated in each demo site and describes the technical requirements that must be met to integrate them. Then, for each demo site involved in C-REL demonstrations (Athens, Barcelona, Padua), the specific technical steps that must be carried out to integrate the corresponding services in the S2R ecosystem are laid out. Notice that the actual integration of the services in the S2R ecosystem is outside of the scope of the IP4MaaS project, which supports the development and execution of the demonstrations, but it is not, per se, a technical project. Indeed, the integration of the services is the responsibility of partners of Call For Member (CFM) projects (and especially partners of the COHESIVE and ExtenSive S2R IP4 projects). It is expected that CFM project partners will use the information contained in this deliverable to carry out the technical integration of the services. For this reason, this deliverable (which is public) – and any supporting information that is outside of the scope of this document (e.g., contact information of technical people, which is not of public interest) – will be shared with CFM partners.
Edrei's Conjecture revisited
Creators: name: Boronski, Jan P.
name: Kupka, Jiri
name: Oprocha, Piotr
Publisher: name: arXiv
Year: 2017
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics

description: Motivated by a recent result of Ciesielski and Jasinski we study periodic point free Cantor systems that are conjugate to systems with vanishing derivative everywhere, and more generally locally radially shrinking maps. Our study uncovers a whole spectrum of dynamical behaviors attainable for such systems, providing new counterexamples to the Conjecture of Edrei from 1952, first disproved by Williams in 1954.
David Reich, Who We Are and How We Got Here. Ancient DNA and the New Science of the Human Past
Creators: name: Feuchter, Jörg
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Rezension zu: David Reich, Who We Are and How We Got Here. Ancient DNA and the New Science of the Human Past. Oxford University Press, Oxford 2019. £ 10,99. ISBN 978-0198821267 (Paperback). Pantheon Books, New York 2018. Vergriffen. ISBN 978-1101870327 (Hardback). Knopf Doubleday Publishing Group, New York 2018. € 15,64. ISBN 978-1101870334 (e-Book). xxv und 335 Seiten mit 28 Abbildungen
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
A Multimodal Knowledge Graph for Video-Textual Knowledge-Entity Linking
Creators: name: Dost, Shahi
Publisher: name: Zenodo
Year: 2023
Subjects: semantic web
artificial intelligence
natural language semantics
computer vision
visual-textual knolwedge entity linking

description: Source files for multimodal knowledge graph for Video-Textual Knowledge-Entity Linking (ActivityNet-EKG).
title: The Role of Cerium Valence in the Conversion Temperature of H₂Ti₃O₇ Nanoribbons to TiO₂-B and Anatase Nanoribbons, and Further to Rutile
Creators: name: Umek, Polona
name: Dürrschnabel, Michael
name: Molina-Luna, Leopoldo
name: Škapin, Srečo
name: Korošec, Romana Cerc
name: Bittencourt, Carla
Publisher: name: MDPI
Year: 2023

description: CeO₂-TiO₂ is an important mixed oxide due to its catalytic properties, particularly in heterogeneous photocatalysis. This study presents a straightforward method to obtain 1D TiO₂ nanostructures decorated with CeO₂ nanoparticles at the surface. As the precursor, we used H₂Ti₃O₇ nanoribbons prepared from sodium titanate nanoribbons by ion exchange. Two cerium sources with an oxidation state of +3 and +4 were used to obtain mixed oxides. HAADF–STEM mapping of the Ce⁴⁺-modified nanoribbons revealed a thin continuous layer at the surface of the H₂Ti₃O₇ nanoribbons, while Ce³⁺ cerium ions intercalated partially between the titanate layers. The phase composition and morphology changes were monitored during calcination between 620 °C and 960 °C. Thermal treatment led to the formation of CeO₂ nanoparticles on the surface of the TiO₂ nanoribbons, whose size increased with the calcination temperature. The use of Ce⁴⁺ raised the temperature required for converting H₂Ti₃O₇ to TiO₂-B by approximately 200 °C, and the temperature for the formation of anatase. For the Ce³⁺ batch, the presence of cerium inhibited the conversion to rutile. Analysis of cerium oxidation states revealed the existence of both +4 and +3 in all calcined samples, regardless of the initial cerium oxidation state.
Neutrino Lines from Majoron Dark Matter
Creators: name: Garcia-Cely, Camilo
name: Heeck, Julian
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Models with spontaneously broken global lepton number can lead to a pseudo-Goldstone boson as a long-lived dark matter candidate. Here we revisit the case of singlet majoron dark matter and discuss multiple constraints. For masses above MeV, this model could lead to a detectable flux of monochromatic mass-eigenstate neutrinos, which have flavor ratios that depend strongly on the neutrino mass hierarchy. We provide a convenient parametrization for the loop-induced majoron couplings to charged fermions that allows us to discuss three-generation effects such as lepton flavor violation. These couplings are independent of the low-energy neutrino parameters but can be constrained by the majoron decays into charged fermions.
description: 14 pages; v2: corrected VIB formula, added two-loop diphoton decay; to appear in JHEP
Wayne D. Cocroft / John Schofield, Archaeology of the Teufelsberg. Exploring Western Electronic Intelligence Gathering in Cold War Berlin
Creators: name: Bernbeck, Reinhard
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Rezension zu: Wayne D. Cocroft / John Schofield, Archaeology of the Teufelsberg. Exploring Western Electronic Intelligence Gathering in Cold War Berlin. Routledge Archaeologies of the Contemporary World. Routledge, London 2019. £44,99. ISBN 978-1-13833-7-107 (Hardback). £16,99. ISBN 978-0-36767-184-6 (Paperback). £22,50. ISBN 978-0-42944-2-629 (E-Book). doi: https://doi.org/10.4324/9780429442629. 162 Seiten mit 123 Schwarz-Weiß-Abbildungen
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
Chlorine and Bromine Isotope Fractionation of Halogenated Organic Compounds in Electron Ionization Mass Spectrometry
Creators: name: Tang, Caiming
name: Tan, Jianhua
name: Shi, Zhiqiang
name: Tang, Caixing
name: Xiong, Songsong
name: Liu, Jun
name: Fan, Yujuan
name: Peng, Xianzhi
Publisher: name: arXiv
Year: 2017
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Revelation of chlorine and bromine isotope fractionation of halogenated organic compounds (HOCs) in electron ionization mass spectrometry (EI-MS) is crucial for compound-specific chlorine/bromine isotope analysis (CSIA-Cl/Br) using gas chromatography EI-MS (GC-EI-MS). This study systematically investigated chlorine/bromine isotope fractionation in EI-MS of HOCs including 12 organochlorines and 5 organobromines using GC-double focus magnetic-sector high resolution MS (GC-DFS-HRMS). Chlorine/bromine isotope fractionation behaviors of the HOCs in EI-MS showed varied isotope fractionation patterns and extents depending on compounds. Besides, isotope fractionation patterns and extents varied at different EI energies, demonstrating potential impacts of EI energy on the chlorine/bromine isotope fractionation. Hypotheses of inter-ion and intra-ion isotope fractionations were applied to interpreting the isotope fractionation behaviors. The inter-ion and intra-ion isotope fractionations counteractively contributed to the apparent isotope ratio for a certain dehalogenated product ion. The isotope fractionation mechanisms were tentatively elucidated on basis of the quasi-equilibrium theory. In the light of the findings of this study, isotope ratio evaluation scheme using complete molecular ions and the EI source with sufficient stable EI energies may be helpful to achieve optimal precision and accuracy of CSIA-Cl/Br data. The method and results of this study can help to predict isotope fractionation of HOCs during dehalogenation processes and further to reveal the dehalogenation pathways.
description: 32 pages, 6 figures
Optical Line Emission from z$\sim$6.8 Sources with Deep Constraints on Ly$α$ Visibility
Creators: name: Castellano, M.
name: Pentericci, L.
name: Fontana, A.
name: Vanzella, E.
name: Merlin, E.
name: De Barros, S.
name: Amorin, R.
name: Caputi, K. I.
name: Cristiani, S.
name: Finkelstein, S. L.
name: Giallongo, E.
name: Grazian, A.
name: Koekemoer, A.
name: Maiolino, R.
name: Paris, D.
name: Pilo, S.
name: Santini, P.
name: Yan, H.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We analyze a sample of $z$-dropout galaxies in the CANDELS GOODS South and UDS fields that have been targeted by a dedicated spectroscopic campaign aimed at detecting their Ly$α$ line. Deep IRAC observations at 3.6 and 4.5 $μ$m are used to determine the strength of optical emission lines affecting these bands at z$\sim$6.5-6.9 in order to i) investigate possible physical differences between Ly$α$ emitting and non-emitting sources; ii) constrain the escape fraction of ionizing photons; iii) provide an estimate of the specific star-formation rate at high redshifts. We find evidence of strong [OIII]+H$β$ emission in the average (stacked) SEDs of galaxies both with and without Ly$α$ emission. The blue IRAC [3.6]-[4.5] color of the stack with detected Ly$α$ line can be converted into a rest-frame equivalent width EW([OIII]+H$β$)=1500$^{+530}_{-440}Å$ assuming a flat intrinsic stellar continuum. This strong optical line emission enables a first estimate of f$_{esc}\lesssim$20% on the escape fraction of ionizing photons from Ly$α$ detected objects. The objects with no Ly$α$ line show less extreme EW([OIII]+H$β$)=520$^{+170}_{-150}Å$ suggesting different physical conditions of the HII regions with respect to Ly$α$-emitting ones, or a larger f$_{esc}$. The latter case is consistent with a combined evolution of f$_{esc}$ and the neutral hydrogen fraction as an explanation of the lack of bright Ly$α$ emission at z$>$6. A lower limit on the specific star formation rate, SSFR$>$9.1$Gyr^{-1}$ for $M_{star}=2 \times 10^9 M_{\odot}$ galaxies at these redshifts can be derived from the spectroscopically confirmed sample.
description: 10 pages, 7 figures; The Astrophysical Journal in press; matched to the published version
A sharp rate of convergence for the empirical spectral measure of a random unitary matrix
Creators: name: Meckes, Elizabeth S.
name: Meckes, Mark W.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We consider the convergence of the empirical spectral measures of random $N \times N$ unitary matrices. We give upper and lower bounds showing that the Kolmogorov distance between the spectral measure and the uniform measure on the unit circle is of the order $\log N / N$, both in expectation and almost surely. This implies in particular that the convergence happens more slowly for Kolmogorov distance than for the $L_1$-Kantorovich distance. The proof relies on the determinantal structure of the eigenvalue process.
description: v3: updated a reference to the literature
Mechanical stability of the CMS strip tracker measured with a laser alignment system
Creators: name: CMS Collaboration
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The CMS tracker consists of 206 square meters of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from -25 to +25 degrees C. The mechanical stability of tracker components during physics operation was monitored with a few micron resolution using a dedicated laser alignment system as well as particle tracks from cosmic rays and hadron-hadron collisions. During the LHC operational period of 2011-2013 at stable temperatures, the components of the tracker were observed to experience relative movements of less than 30 microns. In addition, temperature variations were found to cause displacements of tracker structures of about 2 microns/degree C, which largely revert to their initial positions when the temperature is restored to its original value.
description: Replaced with the published version. Added the journal reference and DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/TRK-15-002
Nonlinear cavity feeding and unconventional photon statistics in solid-state cavity QED revealed by many-level real-time path-integral calculations
Creators: name: Cygorek, Moritz
name: Barth, Andreas M.
name: Ungar, Florian
name: Vagov, Alexei
name: Axt, Vollrath Martin
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The generation of photons in a microcavity coupled to a laser-driven quantum dot interacting with longitudinal acoustic (LA) phonons is studied in the regime of simultaneously strong driving and strong dot-cavity coupling. The stationary cavity photon number is found to depend in a non-trivial way on the detuning between the laser and the exciton transition in the dot. In particular, the maximal efficiency of the cavity feeding is obtained for detunings corresponding to transition energies between cavity-dressed states with excitation numbers larger than one. Phonons significantly enhance the cavity feeding at large detunings. In the strong-driving, strong-coupling limit, the photon statistics is highly non-Poissonian. While without phonons a double-peaked structure in the photon distribution is predicted, phonons make the photon statistics thermal-like with very high effective temperatures $\sim 10^5$ K, even for low phonon temperatures $\sim 4$ K. These results were obtained by numerical calculations where the driving, the dot-cavity coupling and the dot-phonon interactions are taken into account without approximations. This is achieved by a reformulation of an exact iterative path-integral scheme which is applicable for a large class of quantum-dissipative systems and which in our case reduces the numerical demands by 15 orders of magnitude.
description: 6 pages, 3 figures
The VLA-COSMOS 3 GHz Large Project: Multiwavelength counterparts and the composition of the faint radio population
Creators: name: Smolcic, V.
name: Delvecchio, I.
name: Zamorani, G.
name: Baran, N.
name: Novak, M.
name: Delhaize, J.
name: Schinnerer, E.
name: Berta, S.
name: Bondi, M.
name: Ciliegi, P.
name: Capak, P.
name: Civano, F.
name: Karim, A.
name: Fevre, O. Le
name: Ilbert, O.
name: Laigle, C.
name: Marchesi, S.
name: McCracken, H. J.
name: Tasca, L.
name: Salvato, M.
name: Vardoulaki, E.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: (abridged) We study the composition of the faint radio population selected from the VLA-COSMOS 3GHz Large Project. The survey covers a 2.6sq.deg. area with a mean rms of ~2.3uJy/b, cataloging 10830 sources (>5sigma). Combining these radio data with optical, near-infrared (UltraVISTA), mid-infrared (Spitzer/IRAC) data, and X-ray data (Chandra), we find counterparts to radio sources for ~93% of the radio sample (in the areas of the COSMOS field not affected by saturated or bright sources in the optical to NIR bands), reaching out to z<6. We further classify the sources as star forming galaxies or AGN based on various criteria, such as X-ray luminosity, observed MIR color, UV-FIR spectral-energy distribution, rest-frame NUV-optical color corrected for dust extinction, and radio-excess relative to that expected from the hosts' star-formation rate. We separate the AGN into sub-samples dominated by low-to-moderate and moderate-to-high radiative luminosity AGN, candidates for high-redshift analogues to local low- and high-excitation emission line AGN, respectively. We study the fractional contributions of these sub-populations down to radio flux levels of ~11uJy at 3GHz (or ~20uJy at 1.4GHz assuming a spectral index of -0.7). We find that the dominant fraction at 1.4GHz flux densities above ~200uJy is constituted of low-to-moderate radiative luminosity AGN. Below densities of ~100uJy the fraction of star-forming galaxies increases to ~60%, followed by the moderate-to-high radiative luminosity AGN (~20%), and low-to-moderate radiative luminosity AGN (~20%). Based on this observational evidence, we extrapolate the fractions down to sensitivities of the SKA. Our estimates suggest that at the faint flux limits to be reached by the SKA1 surveys, a selection based only on radio flux limits can provide a simple tool to efficiently identify samples highly (>75%) dominated by star-forming galaxies.
description: 21 pages, 22 figures, accepted for publication in A&A
Search for single production of vector-like quarks decaying to a Z boson and a top or a bottom quark in proton-proton collisions at sqrt(s) = 13 TeV
Creators: name: CMS Collaboration
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: A search for single production of vector-like quarks, T and B, decaying into a Z boson and a top or a bottom quark, respectively, is presented. The search is performed using data collected by the CMS experiment at the LHC in proton-proton collisions at sqrt(s) = 13 TeV, corresponding to an integrated luminosity of 2.3 inverse femtobarns. An exotic T quark production mode through the decay of a heavy Z' resonance is also considered. The search is performed in events with a Z boson decaying leptonically, accompanied by a bottom or a top quark decaying hadronically. No excess of events is observed over the standard model background expectation. Products of production cross section and branching fraction for T and B quarks from 1.26 and 0.13 pb are excluded at 95% confidence level for the range of resonance mass considered, which is between 0.7 and 1.7 TeV. Limits on the product of the Z' boson production cross section and branching fraction, with the Z' boson decaying to the Tt final state, are set between 0.31 and 0.13 pb, for Z' boson masses in the range from 1.5 to 2.5 TeV. This is the first search at 13 TeV for single production of vector-like quarks in events with a Z boson decaying leptonically accompanied by boosted jets.
description: Replaced with the published version. Added the journal reference and DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/B2G-16-001
NNLO QCD counterterm contributions to $B$ \to $X_s γ$ for the physical value of $m_c$
Creators: name: Misiak, Mikolaj
name: Rehman, Abdur
name: Steinhauser, Matthias
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: One of the most important O($α_s^2$) corrections to the $B \to X_s γ$ branching ratio originates from interference of contributions from the current-current and photonic dipole operators. Its value has been estimated using an interpolation in the charm quark mass between the known results at $m_c=0$ and for $m_c \ll m_b/2$. An explicit calculation for the physical value of $m_c$ is necessary to remove the associated uncertainty. In the present work, we evaluate all the ultraviolet counterterm contributions that are relevant for this purpose.
description: journal version, references added; 14 pages, 3 figures, 1 table; some intermediate results in ancillary files
Quantum Otto engine with exchange coupling in the presence of level degeneracy
Creators: name: Mehta, Venu
name: Johal, Ramandeep S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider a quasi-static quantum Otto cycle using two effectively two-level systems with degeneracy in the excited state. The systems are coupled through isotropic exchange interaction of strength $J>0$, in the presence of an external magnetic field $B$ which is varied during the cycle. We prove the positive work condition, and show that level-degeneracy can act as a thermodynamic resource, so that a larger amount of work can be extracted than from the non-degenerate case, both with and without coupling. We also derive an upper bound for the efficiency of the cycle. This bound is the same as derived for a system of coupled spin-1/2 particles [G. Thomas and R. S. Johal, Phys. Rev. E {\bf 83}, 031135 (2011)] i.e. without degeneracy, and depends only on the control parameters of the Hamiltonian, but is independent of the level degeneracy and the reservoir temperatures.
description: Revtex, 8 pages, 4 figures; revised version accepted for Phys. Rev. E
Ground-state phase diagram of an anisotropic spin-$1/2$ model on the triangular lattice
Creators: name: Luo, Qiang
name: Hu, Shijie
name: Xi, Bin
name: Zhao, Jize
name: Wang, Xiaoqun
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Motivated by the recent experiment on a rare-earth material YbMgGaO$_4$ [Y. Li \textit{et al.}, Phys. Rev. Lett. \textbf{115}, 167203 (2015)], which found that the ground state of YbMgGaO$_4$ is a quantum spin liquid, we study the ground-state phase diagram of an anisotropic spin-$1/2$ model that was proposed to describe YbMgGaO$_4$. Using the density-matrix renormalization group method in combination with the exact diagonalization, we calculate a variety of physical quantities, including the ground-state energy, the fidelity, the entanglement entropy and spin-spin correlation functions. Our studies show that in the quantum phase diagram there is a $120^{\circ}$ phase and two distinct stripe phases. The transitions from the two stripe phases to the $120^{\circ}$ phase are of the first order. However, the transition between the two stripe phases is not the first order, which is different from its classical counterpart. Additionally, we find no evidence for a quantum spin liquid in this model. Our results suggest that additional terms may be also important to model the material YbMgGaO$_4$. These findings will stimulate further experimental and theoretical works in understanding the quantum spin liquid ground state in YbMgGaO$_4$.
description: minor changes
Non-potential field formation in the X-shaped quadrupole magnetic field configuration
Creators: name: Kawabata, Yusuke
name: Inoue, Satoshi
name: Shimizu, Toshifumi
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Some types of solar flares are observed in X-shaped quadrupolar field configuration. To understand the magnetic energy storage in such a region, we studied non-potential field formation in an X-shaped quadrupolar field region formed in the active region NOAA 11967, which produced three X-shaped M-class flares on February 2, 2014. Nonlinear force-free field modeling was applied to a time series of vector magnetic field maps from the Solar Optical Telescope on board Hinode and Helioseismic and Magnetic Imager on board Solar Dynamics Observatory. Our analysis of the temporal three-dimensional magnetic field evolution shows that the sufficient free energy had already been stored more than 10 hours before the occurrence of the first M-class flare and that the storage was observed in a localized region. In this localized region, quasi-separatrix layers (QSLs) started to develop gradually from 9 hours before the first M-class flare. One of the flare ribbons that appeared in the first M-class flare was co-spatial with the location of the QSLs, suggesting that the formation of the QSLs is important in the process of energy release. These QSLs do not appear in the potential field calculation, indicating that they were created by the non-potential field. The formation of the QSLs was associated with the transverse photospheric motion of the pre-emerged flux and the emergence of a new flux. This observation indicates that the occurrence of the flares requires the formation of QSLs in the non-potential field in which free magnetic energy is stored in advance.
description: Accepted for publication in ApJ
One-loop soft anomalous dimension matrices for $t\bar t j$ hadroproduction
Creators: name: Chargeishvili, Bakar
name: Garzelli, Maria Vittoria
name: Moch, Sven-Olaf
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2022
Subjects: top, pair production
higher-order, 1
quark, pair
parton, showers
hadroproduction
anomalous dimension
resummation
Monte Carlo
hadron

description: We calculate the one-loop corrections to the soft anomalous dimension matrices for the production of a top-antitop quark pair in association with a jet at hadron colliders. This is a step forward towards implementing a procedure for the resummation of soft-gluon emission logarithms for the $t\bar{t}j + X$ hadroproduction process, that will enable the improvement of the accuracy of the $t\bar{t} j + X$ cross-sections, beyond the current degree of knowledge. The latter, so far, has reached the next-to-leading order (NLO) level, complemented by the accuracy of the Shower Monte Carlo approaches used in matching the NLO computations to parton showers and by merging with samples with a different number of light jets.
Dark matter physics, flavor physics and LHC constraints in the dark matter model with a bottom partner
Creators: name: Abe, Tomohiro
name: Kawamura, Junichiro
name: Okawa, Shohei
name: Omura, Yuji
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: In the scenario that a dark matter (DM) is a weakly interacting massive particle, there are many possibilities of the interactions with the Standard Model (SM) particles to achieve the relic density of DM. In this paper, we consider one simple DM model where the DM candidate is a complex scalar and interacts with the SM particles via exchange of the Higgs particle and an extra quark, named bottom partner. The extra quark carries the same quantum number as the right-handed down-type quarks and has Yukawa couplings with the DM candidate and the right-handed down-type quarks. The Yukawa interactions are not only relevant to the thermal relic density of the DM, but also contribute to the flavor physics, such as the $ΔF=2$ processes. In addition, the flavor alignment of the Yukawa couplings is related to the decay modes of the extra quark. Then, we can find the explicit correlations among the physical observables in DM physics, flavor physics and the signals at the LHC. Based on the numerical analyses of the thermal relic density, the direct detection of the DM and the current LHC bounds using the latest results, we survey our predictions for the $ΔF=2$ processes. We investigate the perturbative bound on the Yukawa coupling, as well. Study of a fermionic DM model with extra scalar quarks is also given for comparison.
description: 18 pages, 8 figures, 2 tables; some typos corrected, version published in JHEP
Deliverable D3.2 List of operational KPIs, analysis of the users' satisfaction and methodology as a whole, F-REL
Creators: name: Zarehparast Malekzadeh, Mehdi
name: Santarremigia, Francisco
name: Molero, Gemma
name: Malviya, Ashwani
Publisher: name: Zenodo
Year: 2023

description: The present document constitutes the Deliverable D3.2 “List of operational KPIs, analysis of the users´ satisfaction and methodology as a whole, F-REL” in the framework of the WP3, Task 3.1, and Task 3.2 IP4MaaS project. As a starting point, this deliverable will set the terminology list used in this project, summarizing the concepts from the previous IP4 projects. Those new concepts introduced by the IP4MaaS project will be differentiated, and special attention will be paid to those topics with a different meaning than the other IP4 projects (MaaSive, RIDE2RAIL, and COHESIVE). This deliverable, as the F-REL version, will focus on the update of the methodological framework to obtain the selection of the final list of KPIs to be used for the evaluation of demonstrations that will be used in all IP4MaaS project demo sites. The final list of operational KPIs is included in this Deliverable as D3.2 “List of operational KPIs, analysis of the users’ satisfaction and methodology as a whole, F-REL” and also will be included in D3.3 “Final version of the methodological framework for future projects” . After explaining the methodology to define the list of KPIs in all the demonstration scenarios and providing one as an example, this deliverable indicates the methodology to perform the user satisfaction index (USI) questionnaires that will be asked to the users to evaluate their satisfaction with the IP4 solution and profoundly explain how the effectiveness will be calculated for each user profile and the technological innovation.
Non Relativistic Limit of Integrable QFT with fermionic excitations
Creators: name: Bastianello, Alvise
name: De Luca, Andrea
name: Mussardo, Giuseppe
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The aim of this paper is to investigate the non-relativistic limit of integrable quantum field theories with fermionic fields, such as the O(N) Gross-Neveu model, the supersymmetric Sinh-Gordon and non-linear sigma models. The non-relativistic limit of these theories is implemented by a double scaling limit which consists of sending the speed of light c to infinity and rescaling at the same time the relevant coupling constant of the model in such a way to have finite energy excitations. For the general purpose of mapping the space of continuous non-relativistic integrable models, this paper completes and integrates the analysis done in Ref.[1] on the non-relativistic limit of purely bosonic theories.
description: 23 pages, 7 figures
Christina Schmid, Ergrabene Kontexte. Interpretationen archäologischer Fundzusammenhänge auf Burgen
Creators: name: Atzbach, Rainer
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2022

description: Rezension zu: Christina Schmid, Ergrabene Kontexte. Interpretationen archäologischer Fundzusammenhänge auf Burgen. Formate – Forschungen zur Materiellen Kultur Band 2. Böhlau Verlag, Wien, Köln, Weimar 2020. € 85.00. ISBN 978-3-205-20979-9 (Hardback). € 69.99. ISBN 978-3-205-21180-8 (E-Book). doi: https://doi.org/10.7767/9783205211815. 585 pages with 105 mostly monochrome find tables and 87 coloured figures
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 99 2021(2022)
A measurement of the ionization efficiency of nuclear recoils in silicon
Creators: name: Izraelevitch, F.
name: Amidei, D.
name: Aprahamian, A.
name: Arcos-Olalla, R.
name: Cancelo, G.
name: Casarella, C.
name: Chavarria, A. E.
name: Collon, P.
name: Estrada, J.
name: Moroni, G. Fernández
name: Guardincerri, Y.
name: Gutiérrez, G.
name: Gyurjinyan, A.
name: Kavner, A.
name: Kilminster, B.
name: Lathrop, A.
name: Liao, J.
name: Liu, Q.
name: López, M.
name: Molina, J.
name: Privitera, P.
name: Reyes, M. A.
name: Scarpine, V.
name: Siegl, K.
name: Smith, M.
name: Strauss, S.
name: Tan, W.
name: Tiffenberg, J.
name: Villanueva, L.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We have measured the ionization efficiency of silicon nuclear recoils with kinetic energy between 1.8 and 20 keV. We bombarded a silicon-drift diode with a neutron beam to perform an elastic-scattering experiment. A broad-energy neutron spectrum was used and the nuclear recoil energy was reconstructed using a measurement of the time of flight and scattering angle of the scattered neutron. The overall trend of the results of this work is well described by the theory of Lindhard et al. above 4 keV of recoil energy. Below this energy, the presented data shows a deviation from the model. The data indicates a faster drop than the theory prediction at low energies.
The Matching Problem in General Graphs is in Quasi-NC
Creators: name: Svensson, Ola
name: Tarnawski, Jakub
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computational Complexity (cs.CC)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: We show that the perfect matching problem in general graphs is in Quasi-NC. That is, we give a deterministic parallel algorithm which runs in $O(\log^3 n)$ time on $n^{O(\log^2 n)}$ processors. The result is obtained by a derandomization of the Isolation Lemma for perfect matchings, which was introduced in the classic paper by Mulmuley, Vazirani and Vazirani [1987] to obtain a Randomized NC algorithm. Our proof extends the framework of Fenner, Gurjar and Thierauf [2016], who proved the analogous result in the special case of bipartite graphs. Compared to that setting, several new ingredients are needed due to the significantly more complex structure of perfect matchings in general graphs. In particular, our proof heavily relies on the laminar structure of the faces of the perfect matching polytope.
description: Accepted to FOCS 2017 (58th Annual IEEE Symposium on Foundations of Computer Science)