Articles with "critical phenomena" as a keyword



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Surface Critical Phenomena of a Free Bose Gas with Enhanced Hopping at the Surface

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Published in 2018 at "Journal of Statistical Physics"

DOI: 10.1007/s10955-018-2198-3

Abstract: We study the Bose–Einstein condensation in a tight-binding model with a hopping rate enhanced only on a surface. We show that this model exhibits two different critical phenomena depending on whether the hopping rate on… read more here.

Keywords: bose einstein; surface; hopping rate; surface critical ... See more keywords
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Boundary CFT and Tensor Network Approach to Surface Critical Phenomena of the Tricritical 3-State Potts model

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Published in 2020 at "Journal of Statistical Physics"

DOI: 10.1007/s10955-021-02728-y

Abstract: One-dimensional edges of classical systems in two dimension sometimes show surprisingly rich phase transitions and critical phenomena, especially when the bulk is at criticality. As such a model, we study the surface critical behavior of… read more here.

Keywords: potts model; state; surface critical; state potts ... See more keywords
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Dynamic critical phenomena in a multilayer Ising system

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Published in 2020 at "Chinese Journal of Physics"

DOI: 10.1016/j.cjph.2020.03.030

Abstract: Abstract Using the mixed-spin system, we precisely calculate the dynamic critical phenomena, namely dynamic compensation behaviors, dynamic phase diagrams and dynamic hysteresis loops in a multilayer Ising system that composes of four monoatomic layers. As… read more here.

Keywords: system; dynamic critical; ising system; multilayer ising ... See more keywords
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Critical phenomena in causal dynamical triangulations

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Published in 2019 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/ab4184

Abstract: Four-dimensional CDT (causal dynamical triangulations) is a lattice theory of geometries which one might use in an attempt to define quantum gravity non-perturbatively, following the standard procedures of lattice field theory. Being a theory of… read more here.

Keywords: space; lattice theory; causal dynamical; topology ... See more keywords
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NRPyCritCol & SFcollapse1D: an open-source, user-friendly toolkit to study critical phenomena

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Published in 2021 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/ac33bf

Abstract: We present a new open-source, user-friendly toolkit of two codes—SFcollapse1D and NRPyCritCol—to study critical phenomena in the context of gravitational collapse. SFcollapse1D is a C/C++ tool designed to solve the problem of gravitational collapse of… read more here.

Keywords: open source; friendly toolkit; source user; user friendly ... See more keywords
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Critical phenomena in the collapse of quadrupolar and hexadecapolar gravitational waves

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Published in 2023 at "Physical Review D"

DOI: 10.1103/physrevd.107.084012

Abstract: We report on numerical simulations of critical phenomena near the threshold of black hole formation in the collapse of axisymmetric gravitational waves in vacuum. We discuss several new features of our numerical treatment, and then… read more here.

Keywords: collapse quadrupolar; phenomena collapse; quadrupolar hexadecapolar; gravitational waves ... See more keywords
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Critical phenomena of dynamical delocalization in quantum maps: Standard map and Anderson map.

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Published in 2020 at "Physical review. E"

DOI: 10.1103/physreve.101.032210

Abstract: Following the paper exploring the Anderson localization of monochromatically perturbed kicked quantum maps [Phys. Rev. E 97, 012210 (2018)2470-004510.1103/PhysRevE.97.012210], the delocalization-localization transition phenomena in polychromatically perturbed quantum maps (QM) is investigated focusing particularly on the… read more here.

Keywords: map anderson; quantum maps; standard map; map ... See more keywords
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Neural network approach to scaling analysis of critical phenomena.

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Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.107.044128

Abstract: Determining the universality class of a system exhibiting critical phenomena is one of the central problems in physics. There are several methods to determine this universality class from data. As methods to collapse plots onto… read more here.

Keywords: neural network; analysis critical; critical phenomena; scaling analysis ... See more keywords
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Nanoscale Critical Phenomena in a Complex Fluid Studied by X-Ray Photon Correlation Spectroscopy.

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Published in 2020 at "Physical review letters"

DOI: 10.1103/physrevlett.125.125504

Abstract: The advent of high-speed x-ray photon correlation spectroscopy now allows the study of critical phenomena in fluids to much smaller length scales and over a wider range of temperatures than is possible with dynamic light… read more here.

Keywords: photon correlation; spectroscopy; correlation spectroscopy; ray photon ... See more keywords
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Critical Phenomena in Dynamical Scalarization of Charged Black Holes

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Published in 2022 at "Physical Review Letters"

DOI: 10.1103/physrevlett.128.161105

Abstract: We report a new black hole (BH) scalarization mechanism and disclose novel dynamical critical phenomena in the process of the nonlinear accretion of the scalar field into BHs. The accretion process can transform a seed… read more here.

Keywords: scalarized bald; phenomena dynamical; black holes; scalarization ... See more keywords
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Immiscibility of Liquid Phases and Liquid–Liquid Critical Phenomena in Aqueous Solutions of Sodium and Potassium Phosphates

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Published in 2018 at "Russian Journal of Inorganic Chemistry"

DOI: 10.1134/s0036023618070239

Abstract: Phase equilibria were studied in aqueous solutions of sodium and potassium phosphates at elevated temperatures (to 425°C) and pressures (to 63 MPa). Experimental data were obtained on the transformation of gas–liquid equilibria into heterogeneous equilibria… read more here.

Keywords: solutions sodium; sodium potassium; aqueous solutions; liquid phases ... See more keywords