cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Exact solution of the Bose Hubbard model with unidirectional hopping
Creators: name: Zheng, Mingchen
name: Qiao, Yi
name: Wang, Yupeng
name: Cao, Junpeng
name: Chen, Shu
Publisher: name: arXiv
Year: 2023
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A one-dimensional Bose Hubbard model with unidirectional hopping is shown to be exactly solvable. Applying the algebraic Bethe ansatz method, we prove the integrability of the model and derive the Bethe ansatz equations. The exact eigenvalue spectrum can be obtained by solving these equations. The distribution of Bethe roots reveals the presence of a superfluid-Mott insulator transition at the ground state, and the critical point is determined. By adjusting the boundary parameter, we demonstrate the existence of non-Hermitian skin effect even in the presence of interaction, but it is completely suppressed for the Mott insulator state in the thermodynamical limit. Our result represents a new class of exactly solvable non-Hermitian many-body systems, which have no Hermitian correspondence and can be used as a benchmark for various numerical techniques developed for non-Hermitian many-body systems.
description: 6+8 pages, 2+6 figures
Assessment of heat transfer and Mach number effects on high-speed turbulent boundary layers
Creators: name: Cogo, Michele
name: Baù, Umberto
name: Chinappi, Mauro
name: Bernardini, Matteo
name: Picano, Francesco
Publisher: name: arXiv
Year: 2023
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: High-speed vehicles experience a highly challenging environment in which the free-stream Mach number and surface temperature greatly influence aerodynamic drag and heat transfer. The interplay of these two parameters strongly affects the near-wall dynamics of high-speed turbulent boundary layers in a non-trivial way, breaking similarity arguments on velocity and temperature fields, typically derived for adiabatic cases. In this work, we present direct numerical simulations of flat-plate zero-pressure-gradient turbulent boundary layers spanning three free-stream Mach numbers [2,4,6] and four wall temperature conditions (from adiabatic to very cold walls), emphasising the choice of the diabatic parameter $\mathitΘ$ (Zhang, Bi, Hussain & She, J. Fluid Mech., vol. 739, pp. 392-420) to recover a similar flow organisation at different Mach numbers. We link qualitative observations on flow patterns to first- and second-order statistics to explain the strong decoupling of temperature-velocity fluctuations that occurs at reduced wall temperatures and high Mach numbers. For these cases, we find that the mean temperature gradient in the near-wall region can reach such a strong intensity that it promotes the formation of a secondary peak of thermal production in the viscous sublayer, which is in direct contrast with the monotonic behaviour of adiabatic profiles. We propose different physical mechanisms induced by wall-cooling and compressibility that result in apparently similar flow features, such as a higher peak in the streamwise velocity turbulence intensity, and distinct ones, such as the separation of turbulent scales.
Calculating the normalised determinant function using non-linear models in microwave office
Creators: name: Sultan, Sumiya
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: Stability of a circuit is a very important design criteria. Microwave designers commonly use the well known Linvill or Rollett criteria, known as B or K criteria to determine the stability of an N-port network. These criteria are limited to its accuracy and fail in many cases. A rigorous method of testing such as the Normalised Determinant Function (NDF) is required before the B or K criteria is applied. The Normalised Determinant Function is a robust test of circuit stability but can be complicated to implement in a circuit simulator because it requires access to all active controlled sources in a circuit and multiple simulations. Access to the necessary controlled sources has recently been implemented in a non-linear model (Meerkat pHEMT model) for the first time, but some problems remain with the implementation of this useful feature. This thesis provides further work to mathematically analyse and simplify the NDF analysis technique to implement in small signal models that will later on aid Macquarie University's industry partner, MACOM Technology Solutions with the NDF implementation in their preferred Meerkat pHEMT model.
Probing beneath the surface: a study of Ancient Egyptian faience
Creators: name: Whitford, Michelle
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: Ancient Egyptian faience is a material of many mysteries. There is limited knowledge on the receipes and manufacturing processes used to craft it. This unfortunately has led to a lack of information about faience, unsatisfactory conservation methods, and confusion about the provenance of artefacts. This thesis focuses on developing a rigorous understanding of three sets of faience artefacts. Analysis into the chemical composition of faience reveals that there are key elements used to produce different coloured artefacts. These elements are then matched to potential minerals and mineral sources, and also linked to specific time periods throughout Ancient Egypt. All three artefact sets are dated to an historical period. Next, the ageing process of faience are investigated. Ageing in the form of alkali and alkaline leaching is observed in two of the three sets of artefacts, prompting a discussion about fraudulent artefacts. These results provide the first known investigation into the authentication of faience artefacts. A vast majority of Ancient Egyptian artefacts are displaced and have no historical context. Using TOF-SIMS analysis, all three artefact sets were shown to appear distinct when characterised by origin. This is the first time determining the origin of faience has been demonstrated to be possible.
Additional file 3: of Preoperative medication use and postoperative delirium: a systematic review
Creators: name: Gizat Kassie
name: Nguyen, Tuan
name: Ellett, Lisa Kalisch
name: Pratt, Nicole L.
name: Roughead, Elizabeth
Publisher: name: figshare
Year: 2017
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy

description: PRISMA Checklist (DOC 64Â kb)
Experimental characterisation of a single-shot spectrometer for high-flux, GeV-scale gamma-ray beams
Creators: name: Cavanagh, N.
name: Fleck, K.
name: Streeter, M. J. V.
name: Gerstmayr, E.
name: Dickson, L. T.
name: Ballage, C.
name: Cadas, R.
name: Calvin, L.
name: Dufrénoy, S. Dobosz
name: Moulanier, I.
name: Romagnani, L.
name: Vasilovici, O.
name: Whitehead, A.
name: Specka, A.
name: Cros, B.
name: Sarri, G.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: We report on the first experimental characterisation of a gamma-ray spectrometer designed to spectrally resolve high-flux photon beams with energies in the GeV range. The spectrometer has been experimentally characterised using a bremsstrahlung source obtained at the Apollon laser facility during the interaction of laser-wakefield accelerated electron beams (maximum energy of 1.7 GeV and overall charge of 207$\pm$62 pC) with a 1 mm thick tantalum target. Experimental data confirms the possibility of performing single-shot measurements, without the need for accumulation, with a high signal to noise ratio. Scaling the results to photons in the multi-GeV range suggests the possibility of achieving percent-level energy resolution, as required, for instance, by the next generation of experiments in strong-field quantum electrodynamics.
description: 20 pages, 7 figures; changes - expanded explanations, results and conclusions unchanged
title: ADCO, Cartulaire de Cîteaux pour la grange et seigneurie d'Ouges (XVe siècle), Cart. 173 (11 H 939), 226 folios, f. 0069
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2015
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Cartulaire de Cîteaux pour la grange et seigneurie d'Ouges (XVe siècle), Archives départementales de la Côte-d'Or, Cart. 173 (11 H 939), 226 folios, f. 0069, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire de Cîteaux pour la grange et seigneurie d'Ouges (XVe siècle), Archives départementales de la Côte-d'Or, Cart. 173 (11 H 939), 226 folios, f. 0069, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Basin stability and limit cycles in a conceptual model for climate tipping cascades
Creators: name: Wunderling, Nico
name: Gelbrecht, Maximilian
name: Winkelmann, Ricarda
name: Kurths, Jürgen
name: Donges, Jonathan
Publisher: name: Humboldt-Universität zu Berlin
Year: 2020
Subjects: subject: nonlinear dynamics
subject: complex systems
subject: basin stability
subject: climate tipping elements
subject: bifurcation
subject: nonlinear processes in the earth
subject: 530 Physik

description: Tipping elements in the climate system are large-scale subregions of the Earth that might possess threshold behavior under global warming with large potential impacts on human societies. Here, we study a subset of five tipping elements and their interactions in a conceptual and easily extendable framework: the Greenland Ice Sheets (GIS) and West Antarctic Ice Sheets, the Atlantic meridional overturning circulation (AMOC), the El–Niño Southern Oscillation and the Amazon rainforest. In this nonlinear and multistable system, we perform a basin stability analysis to detect its stable states and their associated Earth system resilience. By combining these two methodologies with a large-scale Monte Carlo approach, we are able to propagate the many uncertainties associated with the critical temperature thresholds and the interaction strengths of the tipping elements. Using this approach, we perform a system-wide and comprehensive robustness analysis with more than 3.5 billion ensemble members. Further, we investigate dynamic regimes where some of the states lose stability and oscillations appear using a newly developed basin bifurcation analysis methodology. Our results reveal that the state of four or five tipped elements has the largest basin volume for large levels of global warming beyond 4 °C above pre-industrial climate conditions, representing a highly undesired state where a majority of the tipping elements reside in the transitioned regime. For lower levels of warming, states including disintegrated ice sheets on west Antarctica and Greenland have higher basin volume than other state configurations. Therefore in our model, we find that the large ice sheets are of particular importance for Earth system resilience. We also detect the emergence of limit cycles for 0.6% of all ensemble members at rare parameter combinations. Such limit cycle oscillations mainly occur between the GIS and AMOC (86%), due to their negative feedback coupling. These limit cycles point to possibly dangerous internal modes of variability in the climate system that could have played a role in paleoclimatic dynamics such as those unfolding during the Pleistocene ice age cycles.
Correlated Insulator and Chern Insulators in Pentalayer Rhombohedral Stacked Graphene
Creators: name: Han, Tonghang
name: Lu, Zhengguang
name: Scuri, Giovanni
name: Sung, Jiho
name: Wang, Jue
name: Han, Tianyi
name: Watanabe, Kenji
name: Taniguchi, Takashi
name: Park, Hongkun
name: Ju, Long
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Rhombohedral stacked multilayer graphene is an ideal platform to search for correlated electron phenomena, due to its pair of flat bands touching at zero energy and further tunability by an electric field. Furthermore, its valley-dependent Berry phase at zero energy points to possible topological states when the pseudospin symmetry is broken by electron correlation. However, experimental explorations of these opportunities are very limited so far, due to a lack of devices with optimized layer numbers and configurations. Here we present electron transport measurements of hBN-encapsulated pentalayer graphene at down to 100 milli-Kelvin. We observed a correlated insulating state with >MOhm resistance at zero charge density and zero displacement field, where the tight-binding calculation predicts a metallic ground state. By increasing the displacement field, we observed a Chern insulator state with C = -5 and two other states with C = -3 at a low magnetic field of ~1 Tesla. At high displacement fields and charge densities, we observed isospin-polarized quarter- and half-metals. Therefore, rhombohedral-stacked pentalayer graphene is the first graphene system to exhibit two different types of Fermi-surface instabilities: driven by a pair of flat bands touching at zero energy, and by the Stoner mechanism in a single flat band. Our results demonstrate a new direction to explore intertwined electron correlation and topology phenomena in natural graphitic materials without the need of moiré superlattice engineering.
Additional file 5: of Perineural local anaesthetic catheter after major lower limb amputation trial (PLACEMENT): study protocol for a randomised controlled pilot study
Creators: name: Bosanquet, David
name: Ambler, Graeme
name: Cherry-Ann Waldron
name: Thomas-Jones, Emma
name: Brookes-Howell, Lucy
name: Kelson, Mark
name: Pickles, Tim
name: Harris, Debbie
name: Fitzsimmons, Deborah
name: Saxena, Neeraj
name: Twine, Christopher
Publisher: name: figshare
Year: 2017
Subjects: subject: Physiology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Qualitative interview information sheets, patient (DOCX 416 kb)
Linear nonadiabatic pulsation models of the double-mode Cepheid V371 Per
Creators: name: Ishida, Toshihito
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Recently found double-mode Cepheid with the shortest period in our galaxy and abnormal period ratio, V371 Per is investigated by linear nonadiabatic pulsation models. V371 Per is likely to be crossing the instability strip for the first time because mass derived from pulsation models is larger than the evolution mass for the second or higher crossing objects. This result seems to support the conclusion obtained from the spectroscopic observation. We also found that models with observed period and period ratio of V371 Per need to have mass and Teff in a narrow range which shifts as heavy element abundance Z changes. We have checked the agreement between Teff ranges estimated observationally and derived from pulsation models using observational Z. We found that those ranges overlap marginally. We need more spectroscopic estimations of the Teff and [Fe/H], and more photometric monitoring to estimate the evolutionally period change for confirmation of our result.
description: Accepted for publication in RAA
Tunable zero and first sounds in ultracold Fermi gases with Rabi coupling
Creators: name: Lepori, Luca
name: Salasnich, Luca
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We consider a weakly-interacting fermionic gas of alkali-metal atoms characterized by two hyper- fine states which are Rabi coupled. By using a Hartree approximation for the repulsive interaction we determine the zero-temperature equation of state of this Fermi gas in D spatial dimensions (D = 1, 2, 3). Then, adopting the Landau-Vlasov equation and hydrodynamic equations, we investi- gate the speed of first sound and zero sound. We show that the two sounds, which occur respectively in collisional and collisionless regimes, crucially depend on the interplay between interaction strength and Rabi coupling. Finally, we discuss for some experimentally relevant cases the effect of a trapping harmonic potential on the density profiles of the fermionic system.
description: Accepted in Journal of Statistical Mechanics
Additional file 5: Table S4. of Bidirectional transcription initiation marks accessible chromatin and is not specific to enhancers
Creators: name: Young, Robert
name: Yatendra Kumar
name: Bickmore, Wendy
name: Taylor, Martin
Publisher: name: figshare
Year: 2017
Subjects: subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Counts of single-exonic and multi-exonic transcripts built by Cufflinks and filtered as described in the “Methods” section (‘Transcriptome analysis’) for each annotation class analysed. (DOC 30 kb)
Euclidean to Minkowski Bethe-Salpeter amplitude and observables
Creators: name: Carbonell, J.
name: Frederico, T.
name: Karmanov, V. A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We propose a method to reconstruct the Bethe-Salpeter amplitude in Minkowski space given the Euclidean Bethe-Salpeter amplitude -- or alternatively the Light-Front wave function -- as input. The method is based on the numerical inversion of the Nakanishi integral representation and computing the corresponding weight function. This inversion procedure is, in general, rather unstable, and we propose several ways to considerably reduce the instabilities. In terms of the Nakanishi weight function, one can easily compute the BS amplitude, the LF wave function and the electromagnetic form factor. The latter ones are very stable in spite of residual instabilities in the weight function. This procedure allows both, to continue the Euclidean BS solution in the Minkowski space and to obtain a BS amplitude from a LF wave function.
description: 11 pages, 12 figures
A recurrent plot based stochastic nonlinear ray propagation model for underwater signal propagation
Creators: name: Kurths, Juergen
name: Haiyang, Yao
name: Haiyan, Wang
name: Xu, Yong
Publisher: name: Humboldt-Universität zu Berlin
Year: 2020
Subjects: subject: underwater signal propagation
subject: recurrent plot
subject: ray theory
subject: chaos
subject: stochastic
subject: 530 Physik

description: A stochastic nonlinear ray propagation model is proposed to carry out an exploration of the nonlinear ray theory in underwater signal propagation. The recurrence plot method is proposed to quantify the ray chaos and stochastics to optimize the model. Based on this method, the distribution function of the control parameter δ is derived. Experiments and simulations indicate that this stochastic nonlinear ray propagation model provides a good explanation and description on the stochastic frequency shift in underwater signal propagation.
Uniqueness of traveling fronts in premixed flames with stepwise ignition-temperature kinetics and fractional reaction order
Creators: name: Matson, Amanda
name: Brauner, Claude-Michel
name: Gordon, Peter V.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Analysis of PDEs (math.AP)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 35K57, 35C07, 34B08, 34E05, 80A25

description: In this paper, we consider a reaction-diffusion system describing the propagation of flames under the assumption of ignition-temperature kinetics and fractional reaction order. It was shown in [3] that this system admits a traveling front solution. In the present work, we show that this traveling front is unique up to translations. We also study some qualitative properties of this solution using the combination of formal asymptotics and numerics. Our findings allow conjecture that the velocity of the propagation of the flame front is a decreasing function of all of the parameters of the problem: ignition temperature, reaction order and an inverse of the Lewis number.
description: 22 pages, 14 figures
Persistent Identifiers at Jisc: An Evolving Landscape
Creators: name: Vials Moore, Adam
name: Muchando, Hilda
Publisher: name: Zenodo
Year: 2020
Subjects: PIDs
National Strategy
ORCID consortium

description: A lightning talk for PIDapalooza2020 describing the formation and evolution of PID services at Jisc with a focus on the ORCID consortium and then thoughts around national strategies for PIDs
On-chip integration of single solid-state quantum emitters with a SiO2 photonic platform
Creators: name: Böhm, Florian
name: Nikolay, Niko
name: Pyrlik, Christoph
name: Schlegel, Jan
name: Thies, Andreas
name: Wicht, Andreas
name: Tränkle, Günther
name: Benson, Oliver
Publisher: name: Humboldt-Universität zu Berlin
Year: 2019
Subjects: subject: nitrogen-vacancy center
subject: sinlge photon source
subject: on-chip integration
subject: waveguide
subject: nanodiamond
subject: 530 Physik

description: One important building block for future integrated nanophotonic devices is the scalable on-chip interfacing of single photon emitters and quantum memories with single optical modes. Here we present the deterministic integration of a single solid-state qubit, the nitrogen-vacancy (NV) center, with a photonic platform consisting exclusively of SiO2 grown thermally on a Si substrate. The platform stands out by its ultra-low fluorescence and the ability to produce various passive structures such as high-Q microresonators and mode-size converters. By numerical analysis an optimal structure for the efficient coupling of a dipole emitter to the guided mode could be determined. Experimentally, the integration of a preselected NV emitter was performed with an atomic force microscope and the on-chip excitation of the quantum emitter as well as the coupling of single photons to the guided mode of the integrated structure could be demonstrated. Our approach shows the potential of this platform as a robust nanoscale interface of on-chip photonic structures with solid-state qubits.
Observational evidence for mass ejection accompanying short gamma ray bursts
Creators: name: Moharana, Reetanjali
name: Piran, Tsvi
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The plateau in the duration distribution of long Gamma-Ray Bursts (LGRBs) provides a direct observational evidence for the Collapsar model. The plateau reflects the fact that the observed duration satisfies: $T_{90} = t_{e}-t_{b}$ where $t_{e}$ is the time that the central engine operates and $t_{b}$ is a threshold time, interpreted within the Collapsar model as the time it takes for the relativistic jet to penetrate the stellar envelope. Numerical simulation and macronova observations suggest that compact binary mergers involve mass ejection. If short-Gamma Ray Bursts (sGRBs) arise from such mergers, their jets should cross this surrounding ejecta before producing the prompt emission. Like in LGRBs, this should result in a distinct short plateau in the GRBs' duration distribution. We present a new analysis of the duration distribution for the three GRB satellites: BATSE, {\it Swift} and Fermi. We find a clear evidence for a short ($\sim 0.4$ sec) plateau in the duration distribution. This plateau is consistent with the expected jet crossing time, provided that the ejecta is of order of a few percent of solar masses.
description: 6 pages, 2 figures, submitted to MNRAS Letters
Laser written integrated photonics for quantum information science
Creators: name: Meany, Thomas
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: This thesis details the study of quantum information science (QIS) using integrated photonics. Integrated photonic devices are fabricated in glass using the femtosecond laser direct write (FLDW) technique. This method uses a focused high power laser to produce a localised refractive index change in a glass substrate which can be used to form waveguides. A rigorous parameter study of laser inscription and glass structure is performed to isolate regions where low loss waveguides can be formed. Unique, three dimensional,circuit designs are created which are then characterised to determine symmetry and to ascertain their performance for QIS. The circuit designs include 3D multiports which permit the unitary transformation of a set of optical modes. Single photons are injected into this device to determine its performance and compare it to bulk optic, fibre optic and lithographically fabricated examples. The 3D multiports show high fidelity operation and a comparable performance to other circuit design platforms. Building on this work which shows the high quality of laser inscribed devices, an inherently quantum circuit is designed. It has the function of operating as a basic two-qubit circuit element which applies a phase shift to a qubit in a target mode, conditional on the state of a control qubit. Thiscircuit is heralded, meaning that it operates in the presence of two additional ancilla modes which trigger the success of the probabilistic gate. The design of this circuit required detailed analysis of the reproducibility of laser written circuits in the presence of performance tolerance to fabrication imperfections. The devices described previously were characterised, non-classically, using a bulk source of photon pairs. This limits the application of the devices beyond demonstrations or prototypes, hence it is desirable to also integrate these devices with on-chip sources of single photons. Such a source of single photons is available in the form of a quasi phase-matched nonlinear crystal which emits heralded single photons. An experiment was undertaken to design a hybrid circuit, composed of both linear and nonlinear elements to produce heralded single photons, to produce multiple sources of heralded single photons. This was completed and experiments exploiting high speed switching to combine individual sources and an experiment to manipulate photon pair states is completed. This work builds on the knowledge of FLDW structures for on chip routing and manipulation of light. Demonstrations of integrated circuits and hybrid integrated devices shows the potential for high quality and compact monolithic on-chip quantum circuits.
On k-wave solutions of quasilinear systems of partial differential equations
Creators: name: Grundland, Alfred Michel
Publisher: name: arXiv
Year: 2023
Subjects: subject: Analysis of PDEs (math.AP)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 35A08

description: In this paper, we establish a relation between two seemingly unrelated concepts for solving first-order hyperbolic quasilinear systems of partial differential equations in many dimensions. These concepts are based on a variant of the conditional symmetry method and on the generalized method of characteristics. We present the outline of recent results on multiple Riemann wave solutions of these systems. An auxiliary result concerning a modification of the Frobenius theorem for integration is used. We apply this result in order to show that the conditional symmetry method can deliver larger classes of multiple Riemann wave solutions, through a simpler procedure, than the one obtained from the generalized method of characteristics. We demonstrate that solutions can be interpreted physically as a superposition of k single waves. These theoretical considerations are illustrated by examples of hydrodynamic-type systems in (n+1) dimensions.
description: 20 pages
Estimating many properties of a quantum state via quantum reservoir processing
Creators: name: Li, Yinfei
name: Ghosh, Sanjib
name: Shang, Jiangwei
name: Xiong, Qihua
name: Zhang, Xiangdong
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Estimating properties of a quantum state is an indispensable task in various applications of quantum information processing. To predict properties in the post-processing stage, it is inherent to first perceive the quantum state with a measurement protocol and store the information acquired. In this work, we propose a general framework for constructing classical approximations of arbitrary quantum states with quantum reservoirs. A key advantage of our method is that only a single local measurement setting is required for estimating arbitrary properties, while most of the previous methods need exponentially increasing number of measurement settings. To estimate $M$ properties simultaneously, the size of the classical approximation scales as $\ln M$ . Moreover, this estimation scheme is extendable to higher-dimensional systems and hybrid systems with non-identical local dimensions, which makes it exceptionally generic. We support our theoretical findings with extensive numerical simulations.
description: 12+10 pages, 9 figures, 90 references; Comments are welcome!
Additional file 2: of Preoperative medication use and postoperative delirium: a systematic review
Creators: name: Gizat Kassie
name: Nguyen, Tuan
name: Ellett, Lisa Kalisch
name: Pratt, Nicole L.
name: Roughead, Elizabeth
Publisher: name: figshare
Year: 2017
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Science Policy

description: Title and Abstract Review Forms (DOCX 43Â kb)
Radiative data for highly excited 3d8 4d levels in Ni II from laboratory measurements and atomic calculations
Creators: name: Hartman, H.
name: Engstrom, L.
name: Lundberg, H.
name: Nilsson, H.
name: Quinet, P.
name: Fivet, V.
name: Palmeri, P.
name: Malcheva, G.
name: Blagoev, K.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: This work reports new experimental radiative lifetimes and calculated oscillator strengths for transitions from 3d8 4d levels of astrophysical interest in singly ionized nickel. Radiative lifetimes of seven high-lying levels of even parity in Ni II (98400 -100600 cm-1) have been measured using the time-resolved laser-induced fluorescence method. Two-step photon excitation of ions produced by laser ablation has been utilized to populate the levels. Theoretical calculations of the radiative lifetimes of the measured levels and transition probabilities from these levels are reported. The calculations have been performed using a pseudo-relativistic Hartree-Fock method, taking into account core polarization effects. A new set of transition probabilities and oscillator strengths has been deduced for 477 Ni II transitions of astrophysical interest in the spectral range 194 - 520 nm depopulating even parity 3d8 4d levels. The new calculated gf-values are, on the average, about 20 % higher than a previous calculation by Kurucz (http://kurucz.harvard.edu) and yield lifetimes within 5 % of the experimental values.
description: 17 pages
Nodal semimetals in $d\geq3$ to sharp pseudo-Landau levels by dimensional reduction
Creators: name: Köhler, Fabian
name: Vojta, Matthias
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Non-uniform strain applied to graphene's honeycomb lattice can induce pseudo-Landau levels in the single-particle spectrum. Various generalizations have been put forward, including a particular family of hopping models in $d$ space dimensions. Here we show that the key ingredient for sharp pseudo-Landau levels in higher dimensions is dimensional reduction. We consider particles moving on a $d$-dimensional hyper-diamond lattice which displays a semimetallic bandstructure, with a $(d-2)$-dimensional nodal manifold. By applying a suitable strain pattern, the single-particle spectrum evolves into a sequence of relativistic Landau levels. We develop and solve the corresponding field theory: Each nodal point effectively generates a Landau-level problem which is strictly two-dimensional to leading order in the applied strain. While the effective pseudo-vector potential varies across the nodal manifold, the Landau-level spacing does not. Our theory paves the way to strain engineering of single-particle states via dimensional reduction and beyond global minimal coupling.
description: 5+7 pages, 3+5 figures
เปรียบเทียบต้นทุน-ประสิทธิผลการค้นหาผู้ป่วยโรคเรื้อนรายใหม่ระหว่างการสำรวจหมู่บ้านแบบเร็วและการค้นหาโดยกำนัน-ผู้ใหญ่บ้าน
Creators: name: สุชัญญา มานิตย์ศิริกุล
Publisher: name: สำนักจัดการความรู้ กรมควบคุมโรค กระทรวงสาธารณสุข
Year: 2557
Subjects: โรคเรื้อน
ต้นทุน-ประสิทธิผล
การสำรวจหมู่บ้านแบบเร็ว
กำนัน-ผู้ใหญ่บ้าน

description: วารสารควบคุมโรค, 40, 2, 111-117
Dynamics of higher-order rational solitons for the nonlocal nonlinear Schrodinger equation with the self-induced parity-time-symmetric potential
Creators: name: Wen, Xiao-Yong
name: Yan, Zhenya
name: Yang, Yunqing
Publisher: name: arXiv
Year: 2017
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The integrable nonlocal nonlinear Schrodinger (NNLS) equation with the self-induced parity-time-symmetric potential [Phys. Rev. Lett. 110 (2013) 064105] is investigated, which is an integrable extension of the standard NLS equation. Its novel higher-order rational solitons are found using the nonlocal version of the generalized perturbation (1, N-1)-fold Darboux transformation. These rational solitons illustrate abundant wave structures for the distinct choices of parameters (e.g., the strong and weak interactions of bright and dark rational solitons). Moreover, we also explore the dynamical behaviors of these higher-order rational solitons with some small noises on the basis of numerical simulations.
description: 9 pages, 8 figures
Optimizing the number and location of public litter bins using Geographic Information Systems
Creators: name: Neupane, Nirodha
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: The distance that users need to walk to public litter bins is a strong predictor of littering behaviour. However, there is limited research that combines the spatial allocation of bins and users' preferences on access to litter bins. The goal of my thesis was to optimise the number and location of public litter bins by assessing the distance users are willing to walk to bins and incorporating these distances in a network analysis in Geographic Information Systems (GIS). Macquarie University, Sydney, New South Wales was the case study area. 200 face-to-face surveys were conducted to ascertain user opinion on the distances they were willing to walk to bins. I used the survey outputs to deveop 56 scenarios that provide managers of waste with a range of options to meet demand and user preferences, including allocating additional bins to the current distribution, redistributing bins and reducing the number of bins. I found that most users were willing to walk between 38 and 80 metres. Due to the heterogeneity of population distribution, I found that the most appropriate network analysis tools were maximise attendance and target market share. The approach I developed could be used to optimise the number and location of public litter bins at other locations of similar scale.
Additional file 7: of De novo assembling and primary analysis of genome and transcriptome of gray whale Eschrichtius robustus
Creators: name: Moskalev, Alexey
name: Kudryavtseva, Anna
name: Graphodatsky, Alexander
name: Beklemisheva, Violetta
name: Serdyukova, Natalya
name: Krutovsky, Konstantin
name: Sharov, Vadim
name: Kulakovskiy, Ivan
name: Lando, Andrey
name: Kasianov, Artem
name: Kuzmin, Dmitry
name: Putintseva, Yuliya
name: Feranchuk, Sergey
name: Shaposhnikov, Mikhail
name: Fraifeld, Vadim
name: Toren, Dmitri
name: Snezhkina, Anastasia
name: Sitnik, Vasily
Publisher: name: figshare
Year: 2017
Subjects: subject: Cell Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences

description: Comparative assessment of the resulting gray whale transcriptome assembly. (PDF 127Â kb)
Energy Landscape of Charge Excitations in Boundary Region between Dimer-Mott and Charge Order State in Molecular Solids
Creators: name: Fukuyama, Hidetoshi
name: Kishine, Jun-ichiro
name: Ogata, Masao
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A possible theoretical scheme is proposed for the unified description of charge excitations with $10^{10}$ orders of magnitude difference in energy [from optical($\sim$eV) down to dielectric anomalies (10KHz$\sim 10^{-10}$eV)] based on a simple and single model.
description: 4 pages, 3 figures
Temperature-dependent phonon spectra of magnetic random solid solutions
Creators: name: Ikeda, Yuji
name: Körmann, Fritz
name: Dutta, Biswanath
name: Carreras, Abel
name: Seko, Atsuto
name: Neugebauer, Jörg
name: Tanaka, Isao
Publisher: name: arXiv
Year: 2017
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A first-principles-based method for computing phonons of magnetic random solid solutions including thermal magnetic fluctuations is developed. The method takes fluctuations of force constants (FCs) due to magnetic excitations as well as due to chemical disorder into account. The developed approach correctly predicts the experimentally observed unusual phonon hardening of a transverse acoustic mode in Fe-Pd an Fe-Pt Invar alloys with increasing temperature. This peculiar behavior, which cannot be explained within a conventional, harmonic picture, turns out to be a consequence of thermal magnetic fluctuations.
Body size estimation: multichannel or opponent process?
Creators: name: Ordman, Robyn
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: While body image distortion is a widespread issue both Australia and worldwide, little research has focussed solely on how humans visually encode body size. For example, it is not yet known whether body size is encoded through a multichannel (three or more neural channels) or an opponent process (where only two neural channels encode the stimulus). The present study aims to determine which of these processes encodes body size, through the useof visual after effects, which are defined as a change in appearance of a test stimulus after prolonged exposure to an adapting stimulus. Twenty participants viewed either expanded/‘fat’ bodies, or contracted/‘thin’ bodies at four separate levels of adaptor extremity. Following a baseline and a two-minute adaptation phase, participants were asked to select which of two distorted images (one expanded and one contracted by 3%) appeared more ‘normal’. Pre- to Post-Adaptation Scores (PPAS), or the change in after effect magnitude, was the main dependent variable across all levels (1-4) and group (expanded/contracted adaptors). Although the pattern of results was consistent with that of an opponent process in the expanded group only (after effect magnitude linearly increased as a function of adaptor extremity), no significant results in the contracted group were obtained. Limitations and reasons for non-significance are discussed, and plans to rectify these issues are outlined.
Additional file 4: Table S3. of Bidirectional transcription initiation marks accessible chromatin and is not specific to enhancers
Creators: name: Young, Robert
name: Yatendra Kumar
name: Bickmore, Wendy
name: Taylor, Martin
Publisher: name: figshare
Year: 2017
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biotechnology
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Hematology
subject: 110309 Infectious Diseases
subject: Plant Biology
subject: Computational Biology

description: Number of chromatin state loci and bidirectionally transcribed-defined enhancers whose measure of stable transcription initiation and accessible chromatin is significantly correlated with transcription from putative annotated gene promoter targets as measured by either transcription initiation from the maximally expressed TSS (single TSS) or the sum of all annotated promoters (summed TSSs) associated with that gene. (DOC 51 kb)
Recent advances in liquid mixtures in electric fields
Creators: name: Katsir, Yael
name: Tsori, Yoav
Publisher: name: arXiv
Year: 2017
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: When immiscible liquids are subject to electric fields interfacial forces arise due to a difference in the permittivity or the conductance of the liquids, and these forces lead to shape change in droplets or to interfacial instabilities. In this Topical Review we discuss recent advances in the theory and experiments of liquids in electric fields with an emphasis on liquids which are initially miscible and demix under the influence of an external field. In purely dielectric liquids demixing occurs if the electrode geometry leads to sufficiently large field gradients. In polar liquids field gradients are prevalent due to screening by dissociated ions irrespective of the electrode geometry. We examine the conditions for these "electro prewetting" transitions and highlight few possible systems where they might be important, such as in stabilization of colloids and in gating of pores in membranes.
description: Topical Review
On Pre-Novikov Algebras and Derived Zinbiel Variety
Creators: name: Kolesnikov, Pavel
name: Mashurov, Farukh
name: Sartayev, Bauyrzhan
Publisher: name: arXiv
Year: 2023
Subjects: subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics
subject: 17A36, 17A30, 18M60

description: For a non-associative algebra $A$ with a derivation $d$, its derived algebra $A^{(d)}$ is the same space equipped with new operations $a\succ b = d(a)b$, $a\prec b = ad(b)$, $a,b\in A$. Given a variety ${\rm Var}$ of algebras, its derived variety is generated by all derived algebras $A^{(d)}$ for all $A$ in ${\rm Var}$ and for all derivations $d$ of $A$. The same terminology is applied to binary operads governing varieties of non-associative algebras. For example, the operad of Novikov algebras is the derived one for the operad of (associative) commutative algebras. We state a sufficient condition for every algebra from a derived variety to be embeddable into an appropriate differential algebra of the corresponding variety. We also find that for ${\rm Var} = {\rm Zinb}$, the variety of Zinbiel algebras, there exist algebras from the derived variety (which coincides with the class of pre-Novikov algebras) that cannot be embedded into a Zinbiel algebra with a derivation.
Generalized perturbation (n, M)-fold Darboux transformations and multi-rogue-wave structures for the modified self-steepening nonlinear Schrodinger equation
Creators: name: Wen, Xiao-Yong
name: Yang, Yunqing
name: Yan, Zhenya
Publisher: name: arXiv
Year: 2017
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: Pattern Formation and Solitons (nlin.PS)
subject: Optics (physics.optics)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: In this paper, a simple and constructive method is presented to find the generalized perturbation (n,M)-fold Darboux transformations (DTs) of the modified nonlinear Schrodinger (MNLS) equation in terms of fractional forms of determinants. In particular, we apply the generalized perturbation (1,N-1)-fold DTs to find its explicit multi-rogue-wave solutions. The wave structures of these rogue-wave solutions of the MNLS equation are discussed in detail for different parameters, which display abundant interesting wave structures, including the triangle and pentagon, etc. and may be useful to study the physical mechanism of multirogue waves in optics. The dynamical behaviors of these multi-rogue-wave solutions are illustrated using numerical simulations. The same Darboux matrix can also be used to investigate the Gerjikov-Ivanov equation such that its multi-rogue-wave solutions and their wave structures are also found. The method can also be extended to find multi-rogue-wave solutions of other nonlinear integrable equations.
description: 26 pages, 18 figures
Accelerating Quantum Algorithms with Precomputation
Creators: name: Huggins, William J.
name: McClean, Jarrod R.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Real-world applications of computing can be extremely time-sensitive. It would be valuable if we could accelerate such tasks by performing some of the work ahead of time. Motivated by this, we propose a cost model for quantum algorithms that allows quantum precomputation, i.e., for a polynomial amount of "free" computation before the input to an algorithm is fully specified, and methods for taking advantage of it. We analyze two families of unitaries that are asymptotically more efficient to implement in this cost model than in the standard one. The first example of quantum precomputation, based on density matrix exponentiation, could offer an exponential advantage under certain conditions. The second example uses a variant of gate teleportation to achieve a quadratic advantage when compared with implementing the unitaries directly. These examples hint that quantum precomputation may offer a new arena in which to seek quantum advantage.
Additional file 1: of Experiences and perceptions of online continuing professional development among clinicians in sub-Saharan Africa
Creators: name: Feldacker, Caryl
name: Jacob, Sheena
name: Chung, Michael
name: Nartker, Anya
name: H. Nina Kim
Publisher: name: figshare
Year: 2017
Subjects: subject: Medicine
subject: Molecular Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Developmental Biology
subject: Cancer
subject: Science Policy

description: Online CPD survey. (DOCX 16Â kb)