cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Khovanov-Seidel quiver algebras and Ozsváth-Szabó's bordered theory
Creators: name: Manion, Andrew
Publisher: name: arXiv
Year: 2016
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57M27

description: We investigate a relationship between Ozsváth and Szabó's bordered theory and the algebras and bimodules constructed by Khovanov-Seidel. Specifically, we show that (a variant of) a special case of Ozsváth-Szabó's algebras has a quotient which is isomorphic to the Khovanov-Seidel quiver algebra with coefficients in $\mathbb{Z}/2\mathbb{Z}$. Furthermore, we show that after induction and restriction of scalars, the dg bimodule over quiver algebras associated to a crossing by Khovanov-Seidel is homotopy equivalent to Ozsváth-Szabó's DA bimodule for the crossing in this special case.
description: 28 pages; 15 figures
Nonequilibrium Energetics of Molecular Motor Kinesin
Creators: name: Ariga, Takayuki
name: Tomishige, Michio
name: Mizuno, Daisuke
Publisher: name: arXiv
Year: 2017
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Biomolecules (q-bio.BM)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: Nonequilibrium energetics of single molecule translational motor kinesin was investigated by measuring heat dissipation from the violation of the fluctuation-response relation of a probe attached to the motor using optical tweezers. The sum of the dissipation and work did not amount to the input free energy change, indicating large hidden dissipation exists. Possible sources of the hidden dissipation were explored by analyzing the Langevin dynamics of the probe, which incorporates the two-state Markov stepper as a kinesin model. We conclude that internal dissipation is dominant.
description: 6 pages for the main text and 9 pages for the Supplementary Material
Arctic Cloud Summer Expedition (ACSE): University of Leeds Datawell DWR-G4-Waverider buoy deployment log
Creators: name: Brooks, Ian
Publisher: name: Zenodo
Year: 2018
Subjects: subject: ecology and environment
subject: https://id.loc.gov/authorities/subjects/sh2018002590.html
subject: https://id.loc.gov/authorities/subjects/sh85040468.html
subject: https://id.loc.gov/authorities/subjects/sh85081263.html
subject: https://id.loc.gov/authorities/subjects/sh85084334.html

description: The University of Leeds Datawell DWR-G4-Waverider buoy was deployed from the Icebreaker Oden during the 2014 summer Arctic Cloud Summer Expedition (ACSE) voyage. This log contains details of each deployment including some descriptive comments about conditions. All the highlighted deployments are omitted from the archived files because of serious problems of one sort or another. These are all early deployments when buoy deployment and operation from the icebreaker and in sea ice was being established.
description: Previously curated at: http://cedadocs.ceda.ac.uk/1380/ This work was funded by: Natural Environment Research Council (NERC). Associated projects: Arctic Cloud Summer Expedition (ACSE Main files in this record: ACSE_waverider_deployments.ods ACSE_waverider_deployments.pdf ACSE_waverider_deployments.xlsx Item originally deposited with Centre for Environmental Data Analysis (CEDA) document repository by Dr Graham Parton. Transferred to CEDA document repository community on Zenodo on 2022-11-24
Effective QCD and transport description of dilepton and photon production in heavy-ion collisions and elementary processes
Creators: name: Linnyk, O.
name: Bratkovskaya, E. L.
name: Cassing, W.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this review we address the dynamics of relativistic heavy-ion reactions and in particular the information obtained from electromagnetic probes that stem from the partonic and hadronic phases. The out-of-equilibrium description of strongly interacting relativistic fields is based on the theory of Kadanoff and Baym. For the modeling of the partonic phase we introduce a dynamical quasiparticle model (DQPM) for QCD in equilibrium. The widths and masses of the quasiparticles are controlled by transport coefficients in comparison to lattice QCD results. The resulting off-shell transport approach - denoted by Parton-Hadron-String Dynamics (PHSD) - also includes covariant dynamical hadronization and keeps track of the hadronic interactions in the final phase. We show that PHSD captures the bulk dynamics of heavy-ion collisions from SPS to LHC energies and provides a basis for the evaluation of the electromagnetic emissivity, using the same dynamical parton propagators as for the system evolution. Direct photon production in elementary processes and heavy-ion reactions at RHIC and LHC energies is investigated and the status of the photon v2 puzzle - a large elliptic flow of the direct photons observed in A+A collisions - is addressed. We discuss the roles of hadronic and partonic sources for the photon spectra and the flow coefficients v2 and v3 and also the possibility to subtract the QGP signal from observables. Furthermore, the production of dilepton pairs is addressed from SIS to LHC energies. The low-mass dilepton yield is enhanced due to the in-medium modification of the rho-meson and at the lowest energy also due to a multiple regeneration of Delta-resonances. In addition, a signal of the partonic degrees-of-freedom is found in the intermediate dilepton mass regime (1.2GeV
description: review article to appear in the Progress in Particle and Nuclear Physics
The EU Copernicus Programme and a New Generation of Data Services: a Perspective from the Centre for Environmental Data Analysis
Creators: name: Juckes, Martin N
Publisher: name: Zenodo
Year: 2018
Subjects: subject: computer science
subject: data and information
subject: science policy
subject: https://id.loc.gov/authorities/subjects/sh2018002590.html
subject: https://id.loc.gov/authorities/subjects/sh85040468.html
subject: https://id.loc.gov/authorities/subjects/sh85084334.html

description: The talks gives an overview of the Copernicus Programme and the Copernicus Climate Change Service (C3S). It then describes the Centre for Environmental Data Analysis (CEDA), the JASMIN analysis platform and work on data standards at CEDA. Finally, it discusses work being done at CEDA to provide climate projections for the C3S Climate Data Store.
description: Previously curated at: http://cedadocs.ceda.ac.uk/1381/ Contact for resource: martin.juckes@stfc.ac.uk. Event type: conference. The publish date on this item was its original published date. This work was funded by: Copernicus Climate Change Service. This item was not refereed before the publication Associated projects: CP4CDS Main files in this record: MartinJuckes_at_JAMSTEC_v4.pdf Item originally deposited with Centre for Environmental Data Analysis (CEDA) document repository by Dr Martin Juckes. Transferred to CEDA document repository community on Zenodo on 2022-11-24
Pardoglossum lanatum E. Barbier & Mathez
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Pardoglossum
Pardoglossum lanatum

description: Anchusa lanata Linnaeus, Systema Naturae, ed. 10, 2: 914. 1759. ["Habitat in Algiriae. Brander."] Sp. Pl. ed. 2, 1: 192 (1762). RCN: 1080. Lectotype (Mill in Cafferty & Jarvis in Taxon 53: 800. 2004): Brander, Herb. Linn. No. 182.6 (LINN). Current name:  Pardoglossum lanatum (L.) E. Barbier & Mathez (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
MPEC 2024-R60 : 2024 QU2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2024 QU2

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Signaling on the Continuous Spectrum of Nonlinear Optical fiber
Creators: name: Tavakkolnia, Iman
name: Safari, Majid
Publisher: name: arXiv
Year: 2017
Subjects: subject: Information Theory (cs.IT)
subject: Numerical Analysis (math.NA)
subject: Optics (physics.optics)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: This paper studies different signaling techniques on the continuous spectrum (CS) of nonlinear optical fiber defined by nonlinear Fourier transform. Three different signaling techniques are proposed and analyzed based on the statistics of the noise added to CS after propagation along the nonlinear optical fiber. The proposed methods are compared in terms of error performance, distance reach, and complexity. Furthermore, the effect of chromatic dispersion on the data rate and noise in nonlinear spectral domain is investigated. It is demonstrated that, for a given sequence of CS symbols, an optimal bandwidth (or symbol rate) can be determined so that the temporal duration of the propagated signal at the end of the fiber is minimized. In effect, the required guard interval between the subsequently transmitted data packets in time is minimized and the effective data rate is significantly enhanced. Moreover, by selecting the proper signaling method and design criteria a reach distance of 7100 km is reported by only singling on the CS at a rate of 9.6 Gbps.
Anchusa officinalis Linnaeus 1753
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Anchusa
Anchusa officinalis

description: Anchusa officinalis Linnaeus, Species Plantarum 1: 133. 1753. "Habitat ad Europae ruderata, vias, agros." RCN: 1075. Lectotype (Selvi & al. in Taxon 45: 306. 1996): Herb. Clifford: 46, Anchusa 1, sheet A (BM-000557910). Generitype of Anchusa Linnaeus (vide Hitchcock, Prop. Brit. Bot.: 127. 1929). Current name:  Anchusa officinalis L. (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
Full Characterization of the First 1 Inch Industrial Prototype of a New Concept Photodetector
Creators: name: Barbarino, G.
name: Barbato, F. C. T.
name: Mollo, C. M.
name: Nocerino, E.
name: Vivolo, D.
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 VSiPMT (Vacuum Silicon PhotoMultiplier Tube) is an original design for an innovative light detector we proposed with the aim to create new scientific instrumentation for industrial applications and physics research. The idea behind this device is to replace the classical dynode chain of a photomultiplier tube with a silicon photomultiplier, the latter acting as an electron detector and amplifier. The VSiPMT offers very attractive features and unprecedented performance, definitely superior to every other photodetector with comparable sensitive surface, such as: negligible power cosumption, excellent photon counting, easy low-voltage-based stabilization and very good time performance. After the feasibility test of the idea, Hamamatsu Photonics realized for our research group two VSiPMT industrial prototypes, that have been fully characterized. The results of the full characterization of the 1-inch industrial prototype are presented in this work.
description: 11 pages, 14 figures
Multiband Electronic Structure of Magnetic Quantum Dots: Numerical Studies
Creators: name: Rederth, D.
name: Oszwaldowski, R.
name: Petukhov, A. G.
name: Pientka, J.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Semiconductor quantum dots (QDs) doped with magnetic impurities have been a focus of continuous research for a couple of decades. A significant effort has been devoted to studies of magnetic polarons (MP) in these nanostructures. These collective states arise through exchange interaction between a carrier confined in a QD and localized spins of the magnetic impurities (typically: Mn). We discuss our theoretical description of various MP properties in self-assembled QDs. We present a self-consistent, temperature-dependent approach to MPs formed by a valence band hole. We use the Luttinger-Kohn k.p Hamiltonian to account for the important effects of spin-orbit interaction.
description: 7 pages, 5 figures
Alkanna orientalis Boiss.
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Alkanna
Alkanna orientalis

description: Anchusa orientalis Linnaeus, Species Plantarum 1: 133. 1753. "Habitat in Oriente." RCN: 1071. Basionym of: Lithospermum orientale (L.) L. (1767). Lectotype (Güner & Duman in Cafferty & Jarvis in Taxon 53: 800. 2004): Herb. Clifford: 47, Anchusa 2 (BM-000557914). Current name:  Alkanna orientalis (L.) Boiss. (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
Asymptotics of resonances induced by point interactions
Creators: name: Lipovsky, Jiri
name: Lotoreichik, Vladimir
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider the resonances of the self-adjoint three-dimensional Schrödinger operator with point interactions of constant strength supported on the set $X = \{ x_n \}_{n=1}^N$. The size of $X$ is defined by $V_X = \max_{π\inΠ_N} \sum_{n=1}^N |x_n - x_{π(n)}|$, where $Π_N$ is the family of all the permutations of the set $\{1,2,\dots,N\}$. We prove that the number of resonances counted with multiplicities and lying inside the disc of radius $R$ behaves asymptotically linear $\frac{W_X}π R + \mathcal{O}(1)$ as $R \to \infty$, where the constant $W_X \in [0,V_X]$ can be seen as the effective size of $X$. Moreover, we show that there exist configurations of any number of points such that $W_X = V_X$. Finally, we construct an example for $N = 4$ with $W_X < V_X$, which can be viewed as an analogue of a quantum graph with non-Weyl asymptotics of resonances.
description: 14 pages, 1 figure, submission to the proceedings of the 8th Workshop on Quantum Chaos and Localisation Phenomena, Warsaw, May 2017
title: Bordism and projective space bundles
Creators: name: Führing, Sven
Publisher: name: Mathematisches Institut (Universität Münster)
Year: 2023
Subjects: subject: 510 Mathematics

description: We prove that total spaces of CP^2-bundles generate the oriented cobordism ring Omega*. Combined with the surgery lemma [8, 22], this yields a somewhat different proof of Gromov’s and Lawson’s theorem [8] that all simply connected non-spin manifolds of dimension at least 5 admit metrics of positive scalar curvature.
CEDA Annual Report 2017 -2018
Creators: name: Bennett, Victoria
name: Callaghan, Sarah
Publisher: name: Zenodo
Year: 2018
Subjects: subject: data and information
subject: ecology and environment
subject: https://id.loc.gov/authorities/subjects/sh2018002590.html
subject: https://id.loc.gov/authorities/subjects/sh85040468.html
subject: https://id.loc.gov/authorities/subjects/sh85084334.html

description: This annual report presents key statistics for the year past (2017 - 2018) as well as a series of snapshots of activity, expressed as short highlights and short reports.
description: Previously curated at: http://cedadocs.ceda.ac.uk/1383/ The publish date on this item was its original published date. This item was previously associated with content (as an official url) at: http://www.ceda.ac.uk/. This work was funded by: Natural Environment Research Council (NERC). Main files in this record: ceda_annual_report_2017-2018.pdf Item originally deposited with Centre for Environmental Data Analysis (CEDA) document repository by Miss Hayley Gray. Transferred to CEDA document repository community on Zenodo on 2022-11-24
Field-only integral equation method for time domain scattering of electromagnetic pulses
Creators: name: Klaseboer, Evert
name: Sun, Qiang
name: Chan, Derek Y. C.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Optics (physics.optics)
subject: Classical Physics (physics.class-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: The scattering of electromagnetic pulses is described using a non-singular boundary integral method to solve directly for the field components in the frequency domain, and Fourier transform is then used to obtain the complete space-time behavior. This approach is stable for wavelengths both small and large relative to characteristic length scales. Amplitudes and phases of field values can be obtained accurately on or near material boundaries. Local field enhancement effects due to multiple scattering of interest to applications in microphotonics are demonstrated.
description: 7 pages, 9 figures
The Balmer spectrum of the equivariant homotopy category of a finite abelian group
Creators: name: Barthel, Tobias
name: Hausmann, Markus
name: Naumann, Niko
name: Nikolaus, Thomas
name: Noel, Justin
name: Stapleton, Nathaniel
Publisher: name: arXiv
Year: 2017
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 55

description: For a finite abelian group $A$, we determine the Balmer spectrum of $\mathrm{Sp}_A^ω$, the compact objects in genuine $A$-spectra. This generalizes the case $A=\mathbb{Z}/p\mathbb{Z}$ due to Balmer and Sanders \cite{Balmer-Sanders}, by establishing (a corrected version of) their log$_p$-conjecture for abelian groups. We also work out the consequences for the chromatic type of fixed-points and establish a generalization of Kuhn's blue-shift theorem for Tate-constructions \cite{kuhn}.
description: v3: minor changes, to appear in Inventiones Mathematicae
Diapria (Tropidopria) inaequalis Kieffer 1911
Creators: name: Notton, David G.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Chalcididae
Diapria
Diapria inaequalis

description: Diapria (Tropidopria) inaequalis Kieffer, 1911b: 956.
Valid name
Trichopria aequata (Thomson, 1858).
Summary of types
Lectotype ♀, BMNH number 9.693, designated by Notton (1995).
Primary type data
Type; 477.; Cameron Coll./ 1910-55.; inaequalis K.; Lectotype ♀ / Diapria (Tropidopria) / inaequalis Kieffer / des. Notton, 1995.
Type locality
Scotland.
Remarks
Described from an unspecified number of females. The lectotype agrees well with the description apart from “article 11 e …plus de deux fois aussi gros que le 12 e …”, which does not make sense and is most probably a slip of the pen. The lectotype is mounted on a card and the right antenna is missing beyond a6.
description: Published as part of Notton, David G., 2014, A catalogue of the types of Diapriinae (Hymenoptera, Diapriidae) at the Natural History Museum, London, pp. 1-123 in European Journal of Taxonomy 75 on page 70, DOI: 10.5852/ejt.2014.75, http://zenodo.org/record/3862773
Pentaglottis sempervirens L. H. Bailey
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Pentaglottis
Pentaglottis sempervirens

description: Anchusa sempervirens Linnaeus, Species Plantarum 1: 134. 1753. "Habitat in Anglia, Hispania." RCN: 1081. Lectotype (Selvi & Bigazzi in Pl. Biosystems 132: 129. 1998): Herb. Burser XIV(2): 21 (UPS). Current name:  Pentaglottis sempervirens (L.) Tausch ex L.H. Bailey (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
Effect of Co substitution on Ni$_{2}$MnGe Heusler alloy: ab initio study
Creators: name: Pugaczowa-Michalska, M.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Ab initio calculations shown that the Co substitution instead of Ni in Ni$_{2}$MnGe with the L2$_{1}$ crystallographic structure leads to a decrease of the lattice constant and an increase of the total magnetic moment of the Ni$_{2-x}$Co$_{x}$MnGe compounds. The Mn(B) has the largest local moment above $3~μ_{B}$ coupled parallel to moments on the Ni(A,C) and Co(A,C), which are found in the ranges of $0.19\div0.26~μ_{B}$ for Ni(A,C) and $1.03\div0.97~μ_{B}$ for Co(A,C) for studied range of $x$. Using the results stemming from the total energy calculations, the values of bulk modulus and its pressure derivatives are estimated according to the Murnaghan EOS.
description: 3 pages, 3 figures; The European Conference Physics of Magnetism 2017; submitted to Acta Physica Polonica A
Orthorhombic phase of La$_{0.5}$Bi$_{0.5}$NiO$_{3}$ studied by first principles
Creators: name: Kaczkowski, J.
name: Pugaczowa-Michalska, M.
name: Jezierski, A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The aim of presented first principles study of La$_{0.5}$Bi$_{0.5}$NiO$_{3}$ is to investigate electronic structure of orthorhombic phase Pbnm. The calculations show that metallicity and magnetism of the system are strongly related with hybridization between Ni 3d and O 2p. To improve the quality of the electronic structure description of the system, especially the treatment of correlation for the Ni 3d, we employ GGA, LDA, and GGA+U, LDA+U. The LSDA results give good agreement with experiment. Thus, the screening effects originating from the hybridized 3d and O 2p electrons are sufficiently strong that they reduce the electronic correlations in the La$_{0.5}$Bi$_{0.5}$NiO$_{3}$, making it a weakly correlated metal.
description: 4 pages, 3 figures; The European Conference Physics of Magnetism 2017, submitted to Acta Physica Polonica A
On the Construction of Jointly Superregular Lower Triangular Toeplitz Matrices
Creators: name: Hansen, Jonas
name: Østergaard, Jan
name: Kudahl, Johnny
name: Madsen, John H.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Superregular matrices have the property that all of their submatrices, which can be full rank are so. Lower triangular superregular matrices are useful for e.g., maximum distance separable convolutional codes as well as for (sequential) network codes. In this work, we provide an explicit design for all superregular lower triangular Toeplitz matrices in GF(2^p) for the case of matrices with dimensions less than or equal to 5 x 5. For higher dimensional matrices, we present a greedy algorithm that finds a solution provided the field size is sufficiently high. We also introduce the notions of jointly superregular and product preserving jointly superregular matrices, and extend our explicit constructions of superregular matrices to these cases. Jointly superregular matrices are necessary to achieve optimal decoding capabilities for the case of codes with a rate lower than 1/2 , and the product preserving property is necessary for optimal decoding capabilities in network recoding.
description: Accepted for publication in 2016 IEEE International Symposium on Information Theory (ISIT)
On the holographic bound in Newtonian cosmology
Creators: name: de Cordoba, P. Fernandez
name: Isidro, J. M.
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The holographic principle sets an upper bound on the total entropy content of the Universe. Within the limits of a Newtonian approximation, a quantum-mechanical model is presented to describe the cosmological fluid. Under the assumption that gravitational equipotential surfaces can be identified with isoentropic surfaces, this model allows for a simple computation of the gravitational entropy of the Universe. The results thus obtained no longer saturate the holographic bound, thus representing a considerable improvement on previous theoretical estimates.
description: 11 pages
Matter-wave recombiners for trapped Bose-Einstein condensates
Creators: name: Berrada, Tarik
name: van Frank, Sandrine
name: Bücker, Robert
name: Schumm, Thorsten
name: Schaff, Jean-François
name: Schmiedmayer, Jörg
name: Julía-Díaz, Bruno
name: Polls, Artur
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: Interferometry with trapped atomic Bose-Einstein condensates (BECs) requires the development of techniques to recombine the two paths of the interferometer and map the accumulated phase difference to a measurable atom number difference. We have implemented and compared two recombining procedures in a double-well based BEC interferometer. The first procedure utilizes the bosonic Josephson effect and controlled tunneling of atoms through the potential barrier, similar to laser light in an optical fibre coupler. The second one relies on the interference of the reflected and transmitted parts of the BEC wavefunction when impinging on the potential barrier, analogous to light impinging on a half-silvered mirror. Both schemes were implemented successfully, yielding an interferometric contrast of about 20% and 42% respectively. Building efficient matter wave recombiners represents an important step towards the coherent manipulation of external quantum superposition states of BECs.
description: 10 pages, 4 figures + supplemental information (3 pages, 3 figures)
Alkanna tuberculata Meikle
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Alkanna
Alkanna tuberculata

description: Anchusa tinctoria (Linnaeus) Linnaeus, Species Plantarum, ed. 2, 1:192. 1762. "Habitat monspelii." RCN: 1078. Basionym: Lithospermum tinctorium L. (1753). Lectotype (Selvi & al. in Cafferty & Jarvis in Taxon 53: 802. 2004): [icon] " Anchusa monspeliana" in Bauhin & Cherler, Hist. Pl. Univ. 3(2): 584. 1651. - Epitype (Selvi in Cafferty & Jarvis in Taxon 53: 802. 2004): France. Montpellier, May 1861, G. Watson-Taylor 465 (FI). Current name:  Alkanna tuberculata (Forrsk.) Meikle (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
Collective spin excitations in bi-component magnonic crystals consisting of bi-layer Permalloy/Fe nanowires
Creators: name: Gubbiotti, G.
name: Tacchi, S.
name: Madami, M.
name: Carlotti, G.
name: Yang, Z.
name: Ding, J.
name: Adeyeye, A. O.
name: Kostylev, M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In the developing field of magnonics,it is very important to achieve tailoring of spin wave propagation by both a proper combination of materials with different magnetic properties and their nanostructuring on the submicrometric scale. We have exploited deep ultra-violet lithography, in combination with tilted shadow deposition technique, to fabricate arrays of closely spaced bi-layer nanowires (NWs), with separation d=100 nm and periodicity a=440 nm, having bottom and top layers made of Permalloy and Iron, respectively. The NWs have either rectangular cross section (bottom and upper layers of equal width) or L-shaped cross section (upper layer of half width). The frequency dispersion of collective spin wave excitations in the above bi-layered NWs arrays has been measured by the Brillouin light scattering technique while sweeping the wave vector perpendicularly to the wire length over three Brillouin zones of the reciprocal space. For the rectangular NWs, the lowest frequency fundamental mode, characterized by a quasi- uniform profile of the amplitude of the dynamic magnetization across the NW width, exhibits a sizeable and periodic frequency dispersion. A similar dispersive mode is also present in L-shaped NWs, but the mode amplitude is concentrated in the thin side of the NWs. The width and the center frequency of the magnonic band associated with the above fundamental modes has been analyzed, showing that both can be tuned by varying the external applied field. Moreover, for the L-shaped NWs it is shown that there is also a second dispersive mode,at higher frequency,characterized by an amplitude concentrated in the thick side of the NW. These experimental results have been quantitatively reproduced by an original numerical model that includes two-dimensional Green's function of the dipole field of the dynamic magnetization and interlayer exchange coupling between the layers.
description: 17 pages, 5 figures
Time calibration of the J-PET detector
Creators: name: Skurzok, M.
name: Silarski, M.
name: Alfs, D.
name: Bialas, P.
name: Shivani
name: Curceanu, C.
name: Czerwinski, E.
name: Dulski, K.
name: Gajos, A.
name: Glowacz, B.
name: Gorgol, M.
name: Hiesmayr, B. C.
name: Jasinska, B.
name: Kisielewska-Kaminska, D.
name: Korcyl, G.
name: Kowalski, P.
name: Kozik, T.
name: Krawczyk, N.
name: Krzemien, W.
name: Kubicz, E.
name: Mohammed, M.
name: Pawlik-Niedzwiecka, M.
name: Niedzwiecki, S.
name: Palka, M.
name: Raczynski, L.
name: Raj, J.
name: Rudy, Z.
name: Sharma, N. G.
name: Sharma, S.
name: Shopa, R. Y.
name: Wieczorek, A.
name: Wislicki, W.
name: Zgardzinska, B.
name: Zielinski, M.
name: Moskal, P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The Jagiellonian Positron Emission Tomograph (J-PET) project carried out in the Institute of Physics of the Jagiellonian University is focused on construction and tests of the first prototype of PET scanner for medical diagnostic which allows for the simultaneous 3D imaging of the whole human body using organic scintillators. The J-PET prototype consists of 192 scintillator strips forming three cylindrical layers which are optimized for the detection of photons from the electron-positron annihilation with high time- and high angular-resolutions. In this article we present time calibration and synchronization of the whole J-PET detection system by irradiating each single detection module with a 22Na source and a small detector providing common reference time for synchronization of all the modules.
description: Accepted to publish in Acta Phys. Pol. A
Anchusa undulata Linnaeus 1753
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Anchusa
Anchusa undulata

description: Anchusa undulata Linnaeus, Species Plantarum 1: 133. 1753. "Habitat in Hispaniae, Lusitaniae pratis." RCN: 1077. Lectotype (Valdés in Lagascalia 10: 107. 1981): Löfling 144a , Herb. Linn. No. 182.3 (LINN). Current name:  Anchusa undulata L. (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
Analysis procedure of the positronium lifetime spectra for the J-PET detector
Creators: name: Dulski, K.
name: Zgardzinska, B.
name: Bialas, P.
name: Czerwinski, C. Curceanu E.
name: Gajos, A.
name: Głowacz, B.
name: Gorgol, M.
name: Hiesmayr, B. C.
name: Jasinska, B.
name: Kisielewska-Kaminska, D.
name: Korcyl, G.
name: Kowalski, P.
name: Kozik, T.
name: Krawczyk, N.
name: Krzemiez, W.
name: Kubicz, E.
name: Mohammed, M.
name: Pawlik-Niedzwiecka, M.
name: Niedzwiecki, S.
name: Palka, M.
name: Raczynski, L.
name: Raj, J.
name: Rudy, Z.
name: Sharma, N. G.
name: Sharma, S.
name: Shivani
name: Shopa, R. Y.
name: Silarski, M.
name: Skurzok, M.
name: Wieczorek, A.
name: Wislicki, W.
name: Zielinski, M.
name: Moskal, P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Positron Annihilation Lifetime Spectroscopy (PALS) has shown to be a powerful tool to study the nanostructures of porous materials. Positron Emissions Tomography (PET) are devices allowing imaging of metabolic processes e.g. in human bodies. A newly developed device, the J-PET (Jagiellonian PET), will allow PALS in addition to imaging, thus combining both analyses providing new methods for physics and medicine. In this contribution we present a computer program that is compatible with the J-PET software. We compare its performance with the standard program LT 9.0 by using PALS data from hexane measurements at different temperatures. Our program is based on an iterative procedure, and our fits prove that it performs as good as LT 9.0.
description: 4 figures, 8 pages
EUSTACE Product User Guide and quick start guide, draft version 0.8
Creators: name: Waterfall, A
name: Bessembinder, J
name: Rayner, N
name: EUSTACE, team
Publisher: name: Zenodo
Year: 2019
Subjects: subject: https://id.loc.gov/authorities/subjects/sh2018002590.html
subject: https://id.loc.gov/authorities/subjects/sh85084334.html

description: This Product User Guide (PUG) is meant as a practical guide for the data products of the EUSTACE (EU Surface Temperature for All Corners of Earth) project and to facilitate (potential) users in their exploitation of the EUSTACE datasets.
description: Previously curated at: http://cedadocs.ceda.ac.uk/1384/ Contact for resource: alison.waterfall@stfc.ac.uk. The publish date on this item was its original published date. This item was previously associated with content (as an official url) at: https://www.eustaceproject.org. This work was funded by: European Union's Horizon 2020 research and innovation programme (grant agreement No 640171). Associated projects: EUSTACE Main files in this record: EUSTACEProductUserGuide_0.8.pdf Item originally deposited with Centre for Environmental Data Analysis (CEDA) document repository by Dr Alison Waterfall. Transferred to CEDA document repository community on Zenodo on 2022-11-24
Lithospermum canescens Lehm.
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Boraginales
Boraginaceae
Lithospermum
Lithospermum canescens

description: Anchusa virginiana Linnaeus, Species Plantarum 1: 133. 1753. "Habitat in Virginia." RCN: 1079. Lectotype (Reveal in Cafferty & Jarvis in Taxon 53: 800. 2004): Clayton 304 (BM-000040285; iso- BM). Current name:  Lithospermum canescens (Michx.) Lehm. (Boraginaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
EUSTACE Product User Guide and quick start guide, version 1.0
Creators: name: Waterfall, A
name: Bessembinder, J
name: Rayner, N
name: EUSTACE, team
Publisher: name: Zenodo
Year: 2019
Subjects: subject: https://id.loc.gov/authorities/subjects/sh2018002590.html
subject: https://id.loc.gov/authorities/subjects/sh85084334.html

description: This Product User Guide (PUG) is meant as a practical guide for the data products of the EUSTACE (EU Surface Temperature for All Corners of Earth) project and to facilitate (potential) users in their exploitation of the EUSTACE datasets.
description: Previously curated at: http://cedadocs.ceda.ac.uk/1389/ The publish date on this item was its original published date. This item was previously associated with content (as an official url) at: https://www.eustaceproject.org. This work was funded by: European Union's Horizon 2020 research and innovation programme (grant agreement No 640171). Associated projects: EUSTACE Main files in this record: EUSTACE Product User Guide v1.pdf Item originally deposited with Centre for Environmental Data Analysis (CEDA) document repository by Dr Alison Waterfall. Transferred to CEDA document repository community on Zenodo on 2022-11-24
Breynia fruticosa
Creators: name: Jarvis, Charlie
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Magnoliophyta
Magnoliopsida
Euphorbiales
Phyllanthaceae
Breynia
Breynia fruticosa

description: Andrachne fruticosa Linnaeus, Species Plantarum 2: 1014. 1753. "Habitat in China. Osbeck." RCN: 7351. Lectotype (designated here by Esser): Herb. Linn. No. 1155.2 (LINN). Current name:  Breynia fruticosa (L.) Müll. Arg. (Euphorbiaceae). Note: See notes by Hansen & Fox Maule (in Bot. J. Linn. Soc. 67: 207. 1973).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 289, DOI: 10.5281/zenodo.291971
Quantum query complexity of entropy estimation
Creators: name: Li, Tongyang
name: Wu, Xiaodi
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: Data Structures and Algorithms (cs.DS)
subject: Information Theory (cs.IT)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Estimation of Shannon and Rényi entropies of unknown discrete distributions is a fundamental problem in statistical property testing and an active research topic in both theoretical computer science and information theory. Tight bounds on the number of samples to estimate these entropies have been established in the classical setting, while little is known about their quantum counterparts. In this paper, we give the first quantum algorithms for estimating $α$-Rényi entropies (Shannon entropy being 1-Renyi entropy). In particular, we demonstrate a quadratic quantum speedup for Shannon entropy estimation and a generic quantum speedup for $α$-Rényi entropy estimation for all $α\geq 0$, including a tight bound for the collision-entropy (2-Rényi entropy). We also provide quantum upper bounds for extreme cases such as the Hartley entropy (i.e., the logarithm of the support size of a distribution, corresponding to $α=0$) and the min-entropy case (i.e., $α=+\infty$), as well as the Kullback-Leibler divergence between two distributions. Moreover, we complement our results with quantum lower bounds on $α$-Rényi entropy estimation for all $α\geq 0$.
description: 43 pages, 1 figure
Multichannel Scattering and Loss Processes of Ultracold Atoms in Anisotropic Harmonic Waveguides
Creators: name: Shadmehri, Sara
name: Saeidian, Shahpoor
name: Melezhik, Vladimir S.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We have developed the general grid method for multi-channel scattering of bosonic atoms inside a harmonic waveguide with transverse anisotropy. This approach is employed to analyze elastic as well as inelastic multi-channel confined scattering. For the elastic scattering, the effects of the range and form of interatomic potential and the waveguide anisotropy on the confinement induced resonance are studied. We have also investigated quantitatively the reactive rate constant in confined atom-atom collisions. It is found that a slight anisotropy to the confining trap considerably enhances the reactive rate constant in multi-channel regime.
description: 27 pages, 10 figures
Early and late stage profiles for a new chemotaxis model with density-dependent jump probability and quorum-sensing mechanisms
Creators: name: Xu, Tianyuan
name: Ji, Shanming
name: Jin, Chunhua
name: Mei, Ming
name: Yin, Jingxue
Publisher: name: arXiv
Year: 2017
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: In this paper, we derive a new chemotaxis model with degenerate diffusion and density-dependent chemotactic sensitivity, and we provide a more realistic description of cell migration process for its early and late stages. Different from the existing studies focusing on the case of non-degenerate diffusion, the new model with degenerate diffusion causes us some essential difficulty on the boundedness estimates and the propagation behavior of its compact support. In the presence of logistic damping, for the early stage before tumour cells spread to the whole body, we first estimate the expanding speed of tumour region as $O(t^β)$ for $0<β<\frac{1}{2}$. Then, for the late stage of cell migration, we further prove that the asymptotic profile of the original system is just its corresponding steady state. The global convergence of the original weak solution to the steady state with exponential rate $O(e^{-ct})$ for some $c>0$ is also obtained.
Laser Precipitation Monitor – Instruction for Use
Creators: name: Unknown
Publisher: name: Zenodo
Year: 2011
Subjects: subject: https://id.loc.gov/authorities/subjects/sh2018002590.html

description: Instruction manual for the Thies Precipitation Monitor including details of the instrument's operational characteristics.
description: Previously curated at: http://cedadocs.ceda.ac.uk/1392/ This item was previously associated with content (as an official url) at: http://www.thiesclima.com. Main files in this record: ThiesDisdrometerInstructionsForUse copy.pdf Item originally deposited with Centre for Environmental Data Analysis (CEDA) document repository by Mr Ben Pickering. Transferred to CEDA document repository community on Zenodo on 2022-11-24
Impact of galactic and intergalactic dust on the stellar EBL
Creators: name: Vavrycuk, Vaclav
Publisher: name: arXiv
Year: 2016
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Current theories assume that the low intensity of the stellar extragalactic background light (stellar EBL) is caused primarily by finite age of the Universe because the finite age limits the number of photons pumped into the space by galaxies and thus the sky is dark in the night. We oppose this opinion and show that two main factors are responsible for the extremely low intensity of the observed stellar EBL: (1) a low mean surface brightness of galaxies, which causes a low luminosity density in the local Universe, and (2) light extinction due to absorption by galactic and intergalactic dust. Dust produces a partial opacity of galaxies and of the Universe. The galactic opacity reduces the intensity of light from more distant background galaxies obscured by foreground galaxies. The effective extinction AV for light passing through a galaxy is 0.2 mag. This causes that distant background galaxies do not contribute to the EBL significantly. In addition, light of distant galaxies is dimmed due to absorption by intergalactic dust. Even a minute intergalactic opacity of 1x10^(-2) mag per Gpc is high enough to produce significant effects on the EBL. The absorbed starlight heats up the galactic and intergalactic dust and is further re-radiated at the IR, FIR and micro-wave spectrum. Assuming static infinite universe with no galactic and intergalactic dust, the stellar EBL should be as high as the surface brightness of stars. However, if dust is considered, the predicted stellar EBL is about 290 nWm^(-2)sr^(-1), which is only 5 times higher than the observed value. Hence, the presence of dust has higher impact on the EBL than currently assumed. In the expanding universe, the calculated value of the EBL is further decreased, because the obscuration effect and intergalactic absorption become more pronounced at high redshifts when the matter was concentrated at smaller volume than at present.
description: 9 pages, 3 figures
Two-frequency operation of a Paul trap to optimise confinement of two species of ions
Creators: name: Foot, C. J.
name: Trypogeorgos, D.
name: Bentine, E.
name: Gardner, A.
name: Keller, M.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We describe the operation of an electrodynamic ion trap in which the electric quadrupole field oscillates at two frequencies. This mode of operation allows simultaneous tight confinement of ions with extremely different charge-to-mass ratios, e.g., singly ionised atomic ions together with multiply charged nanoparticles. We derive the stability conditions for two-frequency operation from asymptotic properties of the solutions of the Mathieu equation and give a general treatment of the effect of damping on parametric resonances. Two-frequency operation is effective when the two species' mass ratios and charge ratios are sufficiently large, and further when the frequencies required to optimally trap each species are widely separated. This system resembles two coincident Paul traps, each operating close to a frequency optimized for one of the species, such that both species are tightly confined. This method of operation provides an advantage over single-frequency Paul traps, in which the more weakly confined species forms a sheath around a central core of tightly confined ions. We verify these ideas using numerical simulations and by measuring the parametric heating induced in experiments by the additional driving frequency.
description: 12 pages, 7 figures
Enhanced spectral sensitivity of a chip-scale photonic-crystal slow-light interferometer
Creators: name: Magaña-Loaiza, Omar S.
name: Gao, Boshen
name: Schulz, Sebastian A.
name: Awan, Kashif
name: Upham, Jeremy
name: Dolgaleva, Ksenia
name: Boyd, Robert W.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We experimentally demonstrate that the spectral sensitivity of a Mach-Zehnder (MZ) interferometer can be enhanced through structural slow light. We observe a 20 times enhancement by placing a dispersion-engineered-slow-light photonic-crystal waveguide in one arm of a fibre-based MZ interferometer. The spectral sensitivity of the interferometer increases roughly linearly with the group index, and we have quantified the resolution in terms of the spectral density of interference fringes. These results show promise for the use of slow-light methods for developing novel tools for optical metrology and, specifically, for compact high-resolution spectrometers.