cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Interacting bosonic flux ladders with a synthetic dimension: Ground-state phases and quantum quench dynamics
Creators: name: Buser, Maximilian
name: Hubig, Claudius
name: Schollwöck, Ulrich
name: Tarruell, Leticia
name: Heidrich-Meisner, Fabian
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: Flux ladders constitute the minimal setup enabling a systematic understanding of the rich physics of interacting particles subjected simultaneously to strong magnetic fields and a lattice potential. In this paper, the ground-state phase diagram of a flux-ladder model is mapped out using extensive density-matrix renormalization-group simulations. The emphasis is put on parameters which can be experimentally realized exploiting the internal states of potassium atoms as a synthetic dimension. The focus is on accessible observables such as the chiral current and the leg-population imbalance. Considering a particle filling of one boson per rung, we report the existence of a Mott-insulating Meissner phase as well as biased-ladder phases on top of superfluids and Mott insulators. Furthermore, we demonstrate that quantum quenches from suitably chosen initial states can be used to probe the equilibrium properties in the transient dynamics. Concretely, we consider the instantaneous turning on of hopping matrix elements along the rungs or legs in the synthetic flux-ladder model, with different initial particle distributions. We show that clear signatures of the biased-ladder phase can be observed in the transient dynamics. Moreover, the behavior of the chiral current in the transient dynamics is discussed. The results presented in this paper provide guidelines for future implementations of flux ladders in experimental setups exploiting a synthetic dimension.
description: as published, with plotted data in json format
GalICS 2.1: a new semianalytic model for cold accretion, cooling, feedback and their roles in galaxy formation
Creators: name: Cattaneo, Andrea
name: Koutsouridou, Ioanna
name: Tollet, Edouard
name: Devriendt, Julien
name: Dubois, Yohan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Dekel & Birnboim06 proposed that the mass-scale that separates late-type and early-type galaxies is linked to the critical halo mass for the propagation of a stable shock and showed that they could reproduce the observed bimodality scale for plausible values of the metallicity of the accreted gas and the shock radius. Here, we take their analysis one step further and present a new semianalytic model that computes the shock radius from first principles. This advancement allows us to compute the critical mass individually for each halo. Separating cold-mode and hot-mode accretion has little effect on the final galaxy masses if feedback does not preferentially couple to the hot gas. We also present an improved model for stellar feedback where 70% of the wind mass is in a cold galactic fountain with a shorter reaccretion timescale at high masses. The latter is the key mechanism that allows us to reproduce the low-mass end of the mass function of galaxies over the entire redshift range 0
description: 26 pages, 10 figures, submitted to MNRAS
On the nature of the Lambda(1405) as a superposition of two states
Creators: name: Oset, E.
name: Magas, V. K.
name: Ramos
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We use recent data on the $K^- p \to π^0 π^0 Σ^0$ reaction with the $π^0 Σ^0$ mass distribution of forming the $Λ(1405)$ with a peak at 1420 MeV and a relatively narrow width of $Γ= 38$ MeV, together with those of the $π^- p \to K^0 πΣ$ reaction to show that there are two $Λ(1405)$ states instead of one as so far assumed.
description: Contribution to the PANIC05 Conference, Santa Fe, October 2005
Forecasting Conditional Covariance Matrices in High-Dimensional Time Series: A General Dynamic Factor Approach
Creators: name: Trucíos, Carlos
name: Mazzeu, João H. G.
name: Hallin, Marc
name: Hotta, Luiz K.
name: Pereira, Pedro L. Valls
name: Zevallos, Mauricio
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Space Science
subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Based on a General Dynamic Factor Model with infinite-dimensional factor space and MGARCH volatility models, we develop new estimation and forecasting procedures for conditional covariance matrices in high-dimensional time series. The finite-sample performance of our approach is evaluated via Monte Carlo experiments and outperforms the most alternative methods. This new approach is also used to construct minimum one-step-ahead variance portfolios for a high-dimensional panel of assets. The results are shown to match the results of recent proposals by Engle, Ledoit, and Wolf and achieve better out-of-sample portfolio performance than alternative procedures proposed in the literature.
ВАЗИРЛИК ВА ИДОРАЛАР ИЧКИ АУДИТ ХИЗМАТЛАРИ ТОМОНИДАН АХБОРОТ ТЕХНОЛОГИЯЛАРИДАН ФОЙДАЛАНИШНИ РИВОЖЛАНТИРИШ МАСАЛАЛАРИ
Creators: name: Тошбекова Шахноза Эркиновна,  Банк-молия академияси магистранти
Publisher: name: Zenodo
Year: 2024

description: Бугунги кунда мамлакатимизда амалга оширилаётган иқтисодий ислоҳотлар таркибида ахборот технологияларидан фойдаланишни ривожлантириш устувор вазифа сифатида қайд этилмоқда. Бунинг натижасида хаётимизга ахборот технологияларини кенг тадбиқ этиш жараёни бошланган. Бу жараён айниқса давлат бошқаруви тизимида жадал суръатлар билан намоён бўлмоқда.
Trusted detector noise analysis for discrete modulation schemes of continuous-variable quantum key distribution
Creators: name: Lin, Jie
name: Lütkenhaus, Norbert
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Discrete-modulated continuous-variable quantum key distribution protocols are promising candidates for large-scale deployment due to the large technological overlap with deployed modern optical communication devices. The security of discrete modulation schemes has previously analyzed in the ideal detector scenario in the asymptotic limit. In this work, we calculate asymptotic key rates against collective attacks in the trusted detector noise scenario. Our results show that we can thus cut out most of the effect of detector noise and obtain asymptotic key rates similar to those had we access to ideal detectors.
description: Close to published version; data files for figures uploaded
Detecting Intracluster Gas Motion in Galaxy Clusters: Mock Astro-E2 Observations
Creators: name: Pawl, Andrew
name: Evrard, August E.
name: Dupke, Renato A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We explore the detectability of bulk motions in the X-ray emitting intracluster medium (ICM) using a catalog of 1,836 mock Astro-E2 observations of simulated clusters of galaxies. We generate high resolution mock spectra for two observing strategies: a four-pointing mosaic and a single central pointing. Normalizing to 200 (400) photons in the iron K-alpha region for the mosaic (central) study, we fit Poisson realizations of each simulated spectrum to a velocity broadened isothermal plasma emission model. We confirm that the velocity characteristics (mean and dispersion) returned by the spectral fittings are unbiased measures of the emission-weighted values within the observed region, with scatter 55 km/s. The maximum velocity difference between mosaic element pairs $Δv_{\rm max}$ has ~ 6% likelihood of being transonic ($Δv_{\rm max} \ge 0.5 c_s$), and the likelihood falls steeply, $p \spropto (Δv_{\rm max}/c_s)^{-4}$, at high Mach number. The velocity broadening parameter $σ_v$ from the central pointing fit exceeds the thermal value in 49% of the cases, with again a $σ_v^{-4}$ tail at large dispersion. We present as case studies the clusters that yield the strongest signal for each observing strategy.
description: 13 pages, 20 figures. Submitted to ApJ. Version with postscript figures embedded in the text available at http://www.umich.edu/~apawl/astroe2/. Version 2 includes changes in response to referee report and corrects an error in optical depth estimates
k_perp-factorization for Hard Processes on Nuclei in the Saturation Regime
Creators: name: Schäfer, W.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss applications of the recently developed nonlinear k_perp--factorization for hard processes on nuclei. The starting point is the color dipole approach which allows to introduce the concept of a collective unintegrated nuclear gluon distribution. We focus on single--jet spectra, which depend on the collective nuclear glue in a nonlinear manner. We briefly comment on the Cronin effect.
description: 3 pages, 2 figures, invited talk given at Diffraction 2004, Cala Gonone, Sardinia, Italy, 18-23 September 2004
THE ROLE OF THE LINGUO-CULTURAL APPROACH IN TEACHING A FOREIGN LANGUAGE
Creators: name: Pirimbetov Abdulvakhaf Ikramovich
Publisher: name: Zenodo
Year: 2024

description: This article considers hypothetical underpinnings of the linguo-social methodology in showing a foreign language and useful execution of the linguo-social part in showing English in secondary school. Here is given the most consideration to phonetic and social elements in the growing experience and their job in the development of an open demonstration. As of late, a great deal of foreign language courses has shown up in our country, in the commercial of which you can frequently peruse: “You will know the language better than the English sovereign!” Yet a considerable lot of them underline just a mechanical comprehension of the language, without considering the real factors of the nation of the language or other significant elements. For a genuine capacity to peruse and comprehend the text, it is important to consider syntax and jargon, yet in addition a wide range of information on a phonetic and social nature, the real factors of the language, and so on. Different learning methodologies should arise.

Keywords: Linguo-cultural approach in teaching, formation of language activity, development of speech, teaching perception, specific vocabulary, formation of language activity, national political culture
Mixed bubbles in Bose-Bose mixtures
Creators: name: Naidon, P.
name: Petrov, D. S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: Repulsive Bose-Bose mixtures are known to either mix or phase-separate into pure components. Here we predict a mixed-bubble regime in which bubbles of the mixed phase coexist with a pure phase of one of the components. This is a beyond-mean-field effect which occurs for unequal masses or unequal intraspecies coupling constants and is due to a competition between the mean-field term, quadratic in densities, and a nonquadratic beyond-mean-field correction. We find parameters of the mixed-bubble regime in all dimensions and discuss implications for current experiments.
description: 2 figures; 9 pages
Environmental Kuznets Curves for Carbon Emissions: A Critical Survey
Creators: name: Aslanidis, Nektarios
name: Aslanidis, Nektarios
Publisher: name: Unknown
Year: 2009
Subjects: subject: Environmental Economics and Policy
subject: Environmental Kuznets Curve
subject: Carbon Emissions
subject: Functional Form
subject: Heterogeneity
subject: “Spurious” Regressions
subject: Spatial Dependence

description: The empirical finding of an inverse U-shaped relationship between per capita income and pollution, the so-called Environmental Kuznets Curve (EKC), suggests that as countries experience economic growth, environmental deterioration decelerates and thus becomes less of an issue. Focusing on the prime example of carbon emissions, the present article provides a critical review of the new econometric techniques that have questioned the baseline polynomial specification in the EKC literature. We discuss issues related to the functional form, heterogeneity, “spurious” regressions and spatial dependence to address whether and to what extent the EKC can be observed. Despite these new approaches, there is still no clear-cut evidence supporting the existence of the EKC for carbon emissions.
Analyzing Powers and Spin Correlation Coefficients for p+d Elastic Scattering at 135 and 200 MeV
Creators: name: Przewoski, B. v.
name: Meyer, H. O.
name: Balewski, J. T.
name: Daehnick, W. W.
name: Doskow, J.
name: Haeberli, W.
name: Ibald, R.
name: Lorentz, B.
name: Pollock, R. E.
name: Pancella, P. V.
name: Rathmann, F.
name: Rinckel, T.
name: Saha, Swapan K.
name: Schwartz, B.
name: Thoerngren-Engblom, P.
name: Wellinghausen, A.
name: Whitaker, T. J.
name: Wise, T.
name: Witala, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The proton and deuteron analyzing powers and 10 of the possible 12 spin correlation coefficients have been measured for p+d elastic scattering at proton bombarding energies of 135 and 200 MeV. The results are compared with Faddeev calculations using two different NN potentials. The qualitative features of the extensive data set on the spin dependence in p+d elastic scattering over a wide range of angles presented here are remarkably well explained by two-nucleon force predictions without inclusion of a three-nucleon force. The remaining discrepancies are, in general, not alleviated when theoretical three-nucleon forces are included in the calculations.
description: 43 pages, 12 figures, accepted for publication by Phys. Rev. C
САМООБРАЗОВАНИЕ ШКОЛЬНИКОВ В ПРОЦЕССЕ ОБУЧЕНИЯ
Creators: name: Норкулова Динара Умидовна Студент 3- курса Факультет языков Термезского государственного педагогического института
Publisher: name: Zenodo
Year: 2024

description: В статье рассматривается процессы самообразования школьников в условиях современной системы образования, выявление основные проблемы и предложение пути их решения.
The explosive life of massive binaries
Creators: name: Renzo, Mathieu
name: Zapartas, Emmanouil
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Massive stars are born predominantly as members of binary (or higher multiplicity) systems, and the presence of a companion can significantly alter their life and final fate. Therefore, any observed sample of massive stars or associated transients is likely to be significantly influenced by the effects of binarity. Here, we focus on the relationship between massive binary evolution and core-collapse supernova events. In the vast majority of the cases, the first core-collapse event happening in a binary system unbinds the two stars. Studying the population of companion stars, either at the supernova site, or as "widowed" stars long after the explosion, can be used to constrain the previous orbital evolution of the binary progenitor, and explosion physics of their former companion. Specifically, the population of "widowed" stars might provide statistical constraints on the typical amplitude of black hole natal kicks without seeing neither the black holes nor the transient possibly associated with their formation. Binarity also has a large impact on the predicted population of supernova sub-types, including hydrogen-rich type II supernovae, with a significant fraction of hydrogen-rich stars at explosions being either merger products or accretors.
description: proceedings of the conference "Universe of binaries, binaries in the Universe" held in Telc in Sep, 2019
Experimental demonstration of quantum advantage for NP verification with limited information
Creators: name: Centrone, Federico
name: Kumar, Niraj
name: Diamanti, Eleni
name: Kerenidis, Iordanis
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In recent years, many computational tasks have been proposed as candidates for showing a quantum computational advantage, that is an advantage in the time needed to perform the task using a quantum instead of a classical machine. Nevertheless, practical demonstrations of such an advantage remain particularly challenging because of the difficulty in bringing together all necessary theoretical and experimental ingredients. Here, we show an experimental demonstration of a quantum computational advantage in a prover-verifier interactive setting, where the computational task consists in the verification of an NP-complete problem by a verifier who only gets limited information about the proof sent by an untrusted prover in the form of a series of unentangled quantum states. We provide a simple linear optical implementation that can perform this verification task efficiently (within a few seconds), while we also provide strong evidence that, fixing the size of the proof, a classical computer would take much longer time (assuming only that it takes exponential time to solve an NP-complete problem). While our computational advantage concerns a specific task in a scenario of mostly theoretical interest, it brings us a step closer to potential useful applications, such as server-client quantum computing.
Magnetic excitations of Sr$_3$Ir$_2$O$_7$ observed by inelastic neutron scattering measurement
Creators: name: Fujita, Masaki
name: Ikeuchi, Kazuhiko
name: Kajimoto, Ryoichi
name: Nakamura, Mitsutaka
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In this short note, we report on the first inelastic neutron scattering (INS) study on high-energy magnetic excitations in Sr$_3$Ir$_2$O$_7$. We observed excitations between $\sim$80 meV and $\sim$180 meV. The peak position of the excitations is consistent with the dispersion of a single magnon determined by resonant inelastic X-ray scattering (RIXS) measurement. Thus, our results demonstrate that INS and RIXS observe identical excitations in iridate oxides, as in La$_2$CuO$_4$.
description: 2 pages, 3 figures
ВИРУСЛИ ЖИГАР ЦИРРОЗИНИНГ  ХУСУСИЯТЛАРИ
Creators: name: Жўраева М.А., Н.Х.Пошахужаев Андижон давлат тиббиёт институти
Publisher: name: Zenodo
Year: 2024

description: Долзарблиги: Жаҳонда 2017 йилда жигар циррозидан 1,32 миллиондан ортиқ ўлим холатлари кузатилган ҳамда, уларнинг 440 мингтасини аёллар ва 883 мингтасини эркаклар ташкил этган. Бу популяциядаги умумий ўлим кўрсаткичларини 2,4% ташкил этади. Жигар циррози инсонлардаги хасталиклар орасида етакчи ўринлардан бирини эгаллаб, меҳнатга лаёқатсизлик сабаблари ва ўлим кўрсаткичларини ортиши бўйича сурункали касалликлар ўнталигига киради.
Casimir spring and dilution in macroscopic cavity optomechanics
Creators: name: Pate, Jacob M.
name: Goryachev, Maxim
name: Chiao, Raymond Y.
name: Sharping, Jay E.
name: Tobar, Michael Edmund
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Instrumentation and Detectors (physics.ins-det)
subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The Casimir force was predicted in 1948 as a force arising between macroscopic bodies from the zero-point energy. At finite temperatures it has been shown that a thermal Casimir force exists due to thermal rather than zero-point energy and there are a growing number of experiments that characterise the effect at a range of temperatures and distances. Additionally, in the rapidly evolving field of cavity optomechanics there is an endeavor to manipulate phonons and enhance coherence. We demonstrate a new way to achieve this through the first observation of Casimir spring and dilution in macroscopic optomechanics, by coupling a metallic SiN membrane to a photonic re-entrant cavity. The attraction of the spatially-localised Casimir spring mimics a non-contacting boundary condition giving rise to increased strain and acoustic coherence through dissipation dilution. This work invents a new way to manipulate phonons via thermal photons leading to ``in situ'' reconfigurable mechanical states, to reduce loss mechanisms and to create new types of acoustic non-linearity -- all at room temperature.
Additional file 2 of Sex differences in the relationship between dietary pattern adherence and cognitive function among older adults: findings from the NuAge study
Creators: name: D’Amico, Danielle
name: Parrott, Matthew D.
name: Greenwood, Carol E.
name: Ferland, Guylaine
name: Gaudreau, Pierrette
name: Belleville, Sylvie
name: Laurin, Danielle
name: Anderson, Nicole D.
name: Marie-Jeanne Kergoat
name: Morais, Jose A.
name: Presse, Nancy
name: Fiocco, Alexandra J.
Publisher: name: figshare
Year: 2020
Subjects: subject: Cell Biology
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 2: Supplementary Table 2. Factor loadings for dietary patterns in women. Note. Loadings (>|0.201|) represent correlation of an FFQ item with dietary pattern score.
Forecasting Conditional Covariance Matrices in High-Dimensional Time Series: a General Dynamic Factor Approach
Creators: name: Trucíos, Carlos
name: Mazzeu, João H. G.
name: Hallin, Marc
name: Hotta, Luiz K.
name: Pereira, Pedro L. Valls
name: Zevallos, Mauricio
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Space Science
subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Based on a General Dynamic Factor Model with infinite-dimensional factor space and MGARCH volatility models, we develop new estimation and forecasting procedures for conditional covariance matrices in high-dimensional time series. The finite-sample performance of our approach is evaluated via Monte Carlo experiments and outperforms most alternative methods. This new approach is also used to construct minimum one-step-ahead variance portfolios for a high-dimensional panel of assets. The results are shown to match the results of recent proposals by Engle et al. (2019) and De Nard et al. (2021) and achieve better out-of-sample portfolio performance than alternative procedures proposed in the literature.
Phenomenology of Goldstino Couplings
Creators: name: Liu, LuXin
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A general coupling of the Goldstino to the matter field and the weak gravitational field is constructed based on the standard and the nonlinear Volkov-Akulov realization of SUSY. The resulting Lagrangian, which is invariant under SUSY transformations, can give rise to explicit interactions which couple the helicity +-1/2 states of the gravitino with the gravitational field as well as the matter field.
description: 7 pages; final version to appear in Modern Physics Letters A
Lipid phosphatases as regulators of immunological homeostasis
Creators: name: Moody, Jennifer Lynn
Publisher: name: University of British Columbia
Year: 2009

description: The objective of this thesis has been to investigate the results of combined deficiencies of the 5' inositol phosphatase SHIP and the 3' inositol phosphatase Pten in the murine immune and hematopoietic systems. SHIP and Pten act as negative regulators of the phosphatidylinositol 3-kinase (PI3K) pathway, by dephosphorylating the second messenger PIP₃ to form PI(3,4)P₂ and PI(4,5)P₂ respectively. Their role in regulating a common substrate while generating different products, suggests that Pten and SHIP may have both overlapping and distinct roles relating to cell signaling. The generation of mice deficient for these molecules previously revealed similarities and differences in phenotypes. These results represent the first examination of combined deficiencies of these molecules in an animal model system. The effects of combined deficiencies of these two molecules were examined in two ways. First, the generation and characterization of mice heterozygous for both Pten and SHIP revealed co-operativity between these molecules in the generation of autoimmune characteristics. Double heterozygotes showed increased immunoglobulin levels, higher autoantigen reactivity, and more severe immune-mediated kidney damage than did wild-type and singly-heterozygous controls. Additionally, further studies of heterozygous mice revealed heightened T cell responses to antigenic challenge in vivo, and increased cytokine production upon T cell stimulation in vitro. These results suggested the requirement for threshold levels of these phosphatases in the control of immune responses, and also illustrated that partial deficiencies in genes in the same pathway can play a role in the development of multigenic diseases such as autoimmunity. Secondly, the generation of Pten[sup +/-]SHIP[sup -/-] mice revealed a previously unappreciated role for Pten in hematopoiesis, in that the phenotype of these mice manifested more severely than in SHIP[sup -/-] controls. Pten[sup +/-]SHIP[sup -/-] mice exhibited unique peripheral blood abnormalities, altered functional behavior of committed progenitor cells, a more severe B cell developmental defect and a defect in multilineage repopulation of irradiated recipients, providing the first evidence that Pten and SHIP act cooperatively to maintain homeostasis in the hematopoietic system. Together, these results highlight the importance of regulation of the PI3K pathway in immune responses and hematopoiesis, and support cooperative roles for both Pten and SHIP in these processes.
Observation of $\mathcal{PT}$-symmetric quantum coherence in a single ion system
Creators: name: Wang, Wei-Chen
name: Zhou, Yan-Li
name: Zhang, Hui-Lai
name: Zhang, Jie
name: Zhang, Man-Chao
name: Xie, Yi
name: Wu, Chun-Wang
name: Chen, Ting
name: Ou, Bao-Quan
name: Wu, Wei
name: Jing, Hui
name: Chen, Pin-xing
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Parity-time($\mathcal{PT}$)-symmetric systems, featuring real eigenvalues despite its non-Hermitian nature, have been widely utilized to achieve exotic functionalities in the classical realm, such as loss-induced transparency or lasing revival. By approaching the exceptional point (EP) or the coalescences of both eigenvalues and eigenstates, unconventional effects are also expected to emerge in pure quantum $\mathcal{PT}$ devices. Here, we report experimental evidences of spontaneous $\mathcal{PT}$ symmetry breaking in a single cold $^{40}\mathrm{Ca}^{+}$ ion, and more importantly, a counterintuitive effect of perfect quantum coherence occurring at the EP. Excellent agreement between experimental results and theoretical predictions is identified. In view of the versatile role of cold ions in building quantum memory or processor, our experiment provides a new platform to explore and utilize pure quantum EP effects, with diverse applications in quantum engineering of trapped ions.
Environmentalists' Behaviour and Environmental Policies
Creators: name: Canton, Joan
name: Canton, Joan
Publisher: name: Unknown
Year: 2009
Subjects: subject: Environmental Economics and Policy
subject: environmentalism
subject: Lobby Groups
subject: Positive Environmental Economics
subject: Strategic Environmental Policy

description: In this partial equilibrium and static model, the impact of environmentalism on two countries' environmental policies is presented. First, the only (indirect) way environmentalists influence the choice of pollution taxes is through a negative term in the welfare function in Home. It is defined as passive environmentalism (PE). Second, this article is a first attempt to consider domestic environmentalists lobbying a foreign government. It is defined as active environmentalism (AE). Our contribution is threefold. We emphasize first that the way environmentalists act is paramount to study the consequences of their actions. Passive or active environmentalisms have very different impacts on environmental policies. Second, we show that lobbying activities can be counter-productive for environmentalists. Third, we characterize cases in which the presence of environmentalists has a non-ambiguous positive impact on welfare.
Correlation between the TeV and X-ray emission in high--energy peaked BL Lac objects
Creators: name: Katarzynski, K.
name: Ghisellini, G.
name: Tavecchio, F.
name: Maraschi, L.
name: Fossati, G.
name: Mastichiadis, A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We discuss the correlation between the evolution of the TeV emission and X-ray radiation observed in high-energy peaked BL Lac objects. We describe such a correlation by a simple power law. In the first part of this work we present correlations obtained for the activity of Mrk~501 observed in 1997 April and for the activity of Mrk~421 observed in 2000 February. We also discuss results of similar correlation obtained for this source by other authors. They report an almost quadratic correlations observed between the evolution of the TeV and X-ray emission. In the second part of this paper we present a phenomenological model which describes the evolution of the synchrotron and inverse Compton emission of a simple spherical homogeneous source. Neglecting the radiative cooling of the particles we derive analytical expressions that describe the evolution. Then we use a numerical code to investigate the impact of radiative cooling on the evolution. The quadratic correlation observed during the decay phase of the flare observed in Mrk~421 on 2001 March 19 appears problematic for this basic modeling. The quadratic correlation can be explained only for specific choices of the spectral bands used for the calculation. Therefore, looking for more robust solutions, we investigate the evolution of the emission generated by a cylindrical source. However this model does not provide robust solutions for the problem of a quadratic correlation. factor. Finally we briefly discuss the possible influence of the light travel time effect on our results.
description: 18 pages, 7 figures, accepted for publication by A&A
Electro-optical imaging of electric fields in silicon sensors
Creators: name: Klanner, Robert
name: Vauth, Annika
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: A conceptual set-up for measuring the electric field in silicon detectors by electro-optical imaging is proposed. It is based on the Franz-Keldysh effect which describes the electric field dependence of the absorption of light with an energy close to the silicon band gap. Using published data, a measurement accuracy of 1 to 4 kV/cm is estimated. The set-up is intended for determining the electric field in radiation-damaged silicon detectors as a function of irradiation fluence and particle type, temperature and bias voltage. The overall concept and the individual components of the set-up are presented.
description: 7 pages, 5 figures
The Political Economy of Downzoning
Creators: name: Adelaja, Adesoji O.
name: Gottlieb, Paul D.
name: Adelaja, Adesoji O.
name: Gottlieb, Paul D.
Publisher: name: Unknown
Year: 2009
Subjects: subject: Institutional and Behavioral Economics
subject: Political Economy
subject: substantial downzoning
subject: takings
subject: land use
subject: growth management
subject: open space
subject: political economy

description: “Substantial downzoning” is defined as the exercise of police power to significantly reduce the legally permitted density on undeveloped land in a community. This contentious practice is typically challenged by those who perceive the action to limit their market opportunities (e.g., farmers and developers), their sympathizers, and others who prefer the status quo. Supporters tend to be those who perceive positive benefits (e.g., environmentalists, conservationists, and homeowners) and those who see it as a supplement to other preservation techniques, based on concerns over such things as growing public costs of land acquisition, limited effectiveness of existing alternatives, or the perceived urgency to act to manage growth. Given the complexity of the issue and the lack of previous research, this paper develops a conceptual model of the public choice to “substantially downzone” and presents specific hypotheses to be empirically tested, using New Jersey as a case study. The probability of implementing substantial downzoning is found to increase with (i) the amount of open space that remains to be protected, (ii) declining farm population, (iii) recent growth in non-farm population, (iv) recent growth in land values, and (v) the presence of alternative growth management tools. Results also suggest its use as a substitute for other preservation tools when the financial and/or political ability of communities to afford other approaches is limited. Hence, the likelihood of substantial downzoning may increase over time if alternatives become more difficult to implement.
Additional file 2 of Correlation of internal carotid artery diameter and carotid flow with asymmetry of the circle of Willis
Creators: name: Wu, Te-Chang
name: Chen, Tai-Yuan
name: Ko, Ching-Chung
name: Chen, Jeon-Hor
name: Lin, Ching-Po
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Plant Biology

description: Additional file 2: Table S1. ICA flow & diameter parameters for each AA subgroup and non-AA subgroup.
Interaction Effects in the Mesoscopic Regime: A Quantum Monte Carlo Study of Irregular Quantum Dots
Creators: name: Ghosal, Amit
name: Umrigar, C. J.
name: Jiang, Hong
name: Ullmo, Denis
name: Baranger, Harold U.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We address the issue of accurately treating interaction effects in the mesoscopic regime by investigating the ground state properties of isolated irregular quantum dots. Quantum Monte Carlo techniques are used to calculate the distributions of ground state spin and addition energy. We find a reduced probability of high spin and a somewhat larger even/odd alternation in the addition energy from quantum Monte Carlo than in local spin density functional theory. In both approaches, the even/odd effect gets smaller with increasing number of electrons, contrary to the theoretical understanding of large dots. We argue that the local spin density approximation over predicts the effects of interactions in quantum dots.
description: Final Version, to appear in PRB as a Rapid Comm
PP-waves in AdS Gauged Supergravities and Supernumerary Supersymmetry
Creators: name: Kerimo, J.
name: Lu, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Purely gravitational pp-waves in AdS backgrounds are described by the generalised Kaigorodov metrics, and they generically preserve 1/4 of the maximum supersymmetry allowed by the AdS spacetimes. We obtain 1/2 supersymmetric purely gravitational pp-wave solutions, in which the Kaigorodov component is set to zero. We construct pp-waves in AdS gauged supergravities supported by a vector field. We find that the solutions in D=4 and D=5 can then preserve 1/2 of the supersymmetry. Like those in ungauged supergravities, the supernumerary supersymmetry imposes additional constraints on the harmonic function associated with the pp-waves. These new backgrounds provide interesting novel features of the supersymmetry enhancement for the dual conformal field theory in the infinite-momentum frame.
description: Latex, 27 pages, minor typos corrected and reference added, to appear in Phys. Rev. D
Additional file 1 of Natural disease progression and novel survival prediction model for hepatocellular carcinoma with spinal metastases: a 10-year single-center study
Creators: name: Phinyo, Phichayut
name: Boonyanaruthee, Chonmavadh
name: Paholpak, Permsak
name: Pruksakorn, Dumneoensun
name: Phanphaisarn, Areerak
name: Sangsin, Apiruk
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: Science Policy

description: Additional file 1: Supplementary Table 1. Estimated log hazard ratios in the full and reduced multivariable flexible parametric regression models. Supplementary Table 2. Score chart with predicted survival probabilities at 3 months after diagnosis of spinal metastases. Supplementary Table 3. Score chart with predicted survival probabilities at 6 months after the diagnosis of spinal metastases. Supplementary Table 4. Score chart with predicted survival probabilities at 12 months after the diagnosis of spinal metastases. Supplementary Figure 1. Kaplan–Meier curves for comparative validation between the newly derived model’s prediction and the traditional Tomita and Revised Tokuhashi’s score in predicting which patients would survive more or less than 6 months. The P-values of the log-rank test are shown for each panel.
title: Reforestation as part of an urban eco-horticultural infrastructure
Creators: name: Bazzocchi, Giovanni Giorgio
name: Rota, Alessandra
name: Orsini, Francesco
Publisher: name: University of Bologna
Year: 2022

description: Redevelopment of urban spaces can take different forms and configurations. With this work
we propose a project of regeneration of residual green spaces included within an exindustrial area located in the outskirts of Bologna. Three small urban forests have been
designed and put into practice, using native and naturalized species, with the specific aim of
contributing to the spill-over of beneficial organisms, such as insect predators, parasitoids
and pollinators from these areas to cultivated fields. The project, in fact, is part of a complex
green infrastructure, a cycle-eco-horticultural corridor, made up also by an orchard of
ancient and forgotten varieties, productive fields managed with organic method, semiintensive cultivation of aromatic plants, social gardens and fellow fields
Additional file 1 of Sex differences in the relationship between dietary pattern adherence and cognitive function among older adults: findings from the NuAge study
Creators: name: D’Amico, Danielle
name: Parrott, Matthew D.
name: Greenwood, Carol E.
name: Ferland, Guylaine
name: Gaudreau, Pierrette
name: Belleville, Sylvie
name: Laurin, Danielle
name: Anderson, Nicole D.
name: Marie-Jeanne Kergoat
name: Morais, Jose A.
name: Presse, Nancy
name: Fiocco, Alexandra J.
Publisher: name: figshare
Year: 2020
Subjects: subject: Cell Biology
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1: Supplementary Table 1. Factor loadings for dietary patterns in men. Note. Loadings (>|0.209|) represent correlation of an FFQ item with dietary pattern score.
Estabelecimento de Prioridades para a Investigação Agrária no Sector Público em Moçambique Baseado nos Dados do Trabalho de Inquérito Agrícola (TIA)
Creators: name: Walker, Thomas S.
name: Pitoro, Raul
name: Tomo, Alda
name: Sitoe, Isabel
name: Salencia, Celestino
name: Mahanzule, Rosalina
name: Donovan, Cynthia
name: Mazuze, Feliciano M.
name: Walker, Thomas S.
name: Pitoro, Raul
name: Tomo, Alda
name: Sitoe, Isabel
name: Salencia, Celestino
name: Mahanzule, Rosalina
name: Donovan, Cynthia
name: Mazuze, Feliciano M.
Publisher: name: Unknown
Year: 2006
Subjects: subject: Research and Development/Tech Change/Emerging Technologies
subject: food security
subject: food policy
subject: priority setting
subject: Mozambique
subject: rice

description: The bulk of this research report addresses the question of where commodity research should be cited across IIAM’s ten agro-ecologies and four zonal research centers. As IIAM decentralizes its scientific human resources to its four zonal center locations, it should not lose sight of the primacy of the Northeast Zonal Research Center in both economic importance and the potential for poverty reduction. Our analysis suggests that the Northeast Zonal Research Center contributes about 40% to value of commodity production and to absolute poverty alleviation. The temptation is that too many resources are allocated to the South Zonal Research Center because the research infrastructure in the south is wider and deeper than in the center and north of the country. If the three other zonal research centers are to fulfill their promise, a few key facilities need to be rehabilitated and strengthened in the center and north. The scarcity of research infrastructure is most constraining in the coastal agroecologies, especially for rice.
description: Institute of Agricultural Research of Mozambique Directorate of Training, Documentation, and Technology Transfer
Dialog Policy Learning for Joint Clarification and Active Learning Queries
Creators: name: Padmakumar, Aishwarya
name: Mooney, Raymond J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Computation and Language (cs.CL)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Intelligent systems need to be able to recover from mistakes, resolve uncertainty, and adapt to novel concepts not seen during training. Dialog interaction can enable this by the use of clarifications for correction and resolving uncertainty, and active learning queries to learn new concepts encountered during operation. Prior work on dialog systems has either focused on exclusively learning how to perform clarification/ information seeking, or to perform active learning. In this work, we train a hierarchical dialog policy to jointly perform both clarification and active learning in the context of an interactive language-based image retrieval task motivated by an online shopping application, and demonstrate that jointly learning dialog policies for clarification and active learning is more effective than the use of static dialog policies for one or both of these functions.
description: AAAI 2020 Camera Ready
In vivo effects of raspberry ketone (4-(4-hydroxyphenyl)-butan-2-one) as a supplement for weight loss in mice
Creators: name: Kshatriya, Dushyant
Publisher: name: No Publisher Supplied
Year: 2021

description: Raspberry ketone has recently gained traction as a popular dietary supplement for weight loss. Initially approved as Generally recognized as Safe compound in 1965 as a flavor compound in small microgram quantities, it is now marketed in gram dose levels as a supplement. Previous studies report the potential of raspberry ketone to prevent accumulation of fat in vivo and increase oxidation of triglycerides in vitro. In this dissertation, we further investigate the in vivo effects of oral raspberry ketone in preventing high-fat diet induced obesity, alterations in metabolic parameters, meal microstructure, hemodynamic endpoints, behavioral endpoints, neural imaging, transcriptomic changes, and acute tissue-specific gene expression changes in response to raspberry ketone. Raspberry ketone is bioavailable and is detected in the plasma, brain, and adipose tissue within fifteen minutes of its oral dose. Daily oral treatment with a polyphenol enriched raspberry fruit extract and raspberry ketone prevented weight gain and reduced fat accumulation without affecting total caloric intake. It reduced fat accumulation and a reduction in respiratory exchange ratio. Raspberry ketone caused a dose and diet dependent change in meal microstructure with reduced meal frequency and increased meal size, along with a reduction in blood pressure and heart rate. Raspberry ketone did not affect body weight pattern in female mice despite a similar pharmacokinetic profile of raspberry ketone as male mice. Higher doses of raspberry ketone cause atrophy of adipose tissue and mortality in about 40% of the treated mice. Additionally, this subtoxic dose causes a complete loss of righting reflex for in both male and female mice. There are acute tissue-specific changes in the liver and adipose tissue, with increased expression of lipolytic and fatty acid oxidation genes, inflammatory markers, Nrf2 and its downstream targets in epididymal adipose tissue. In summary, these results contrast the potentially beneficial anti-obesity effects of raspberry ketone with its adverse effects. It calls for increased consideration in establishing dose intake levels for human consumption of raspberry ketone as a weight loss supplement.
The scaling limit of two cluster boundaries in critical lattice models
Creators: name: Gamsa, Adam
name: Cardy, John
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The probability that a point is to one side of a curve in Schramm-Loewner evolution (SLE) can be obtained alternatively using boundary conformal field theory (BCFT). We extend the BCFT approach to treat two curves, forming, for example, the left and right boundaries of a cluster. This proves to correspond to a generalisation to SLE(kappa,rho), with rho=2. We derive the probabilities that a given point lies between two curves or to one side of both. We find analytic solutions for the cases kappa=0,2,4,8/3,8. The result for kappa=6 leads to predictions for the current distribution at the plateau transition in the semiclassical approximation to the quantum Hall effect.
description: 27 pages, 7 figures
TАRАQQIYOT STRАTEGIYАSI VА MА'NАVIY YАNGILАNISH JАRАYONLАRI
Creators: name: Kutlikov Valisher Nurmaxamat o'g'li O'zbekiston davlat san'at va madaniyat instituti 1-TTJ tarbiyachi pedagogi
Publisher: name: Zenodo
Year: 2024

description: mamlakatning ijtimoiy-iqtisodiy rivojlanishiga yo'naltirilgan strategiyalar bilan birgalikda ma'naviy yangilanishning o'zaro bog'liqligi va muhimligi katta ahamiyat kasb etadi. Maqolada jamiyatning iqtisodiy yuksalishi faqat moddiy boylikka emas, balki xalqning ma'naviy rivojlanishiga ham bog'liq ekani ta'kidlanadi. Ma'naviyatning jamiyat taraqqiyotidagi roli, milliy o‘zlikni mustahkamlash, yangi avlodni tarbiyalashda qadriyatlarning ahamiyati, shuningdek, zamonaviy davrda ma'naviy yangilanish jarayonlarini rivojlantirishga qaratilgan strategik yondashuvlar tahlil qilinadi.

Kalit so‘zlar: taraqqiyot strategiyasi, ma’naviy yangilanish, ijtimoiy rivojlanish, qadriyatlar, milliy o‘zlik, ma’naviy tarbiya.