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相关论文: Phase Transition in Simplest Plasma Models

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The formation and melting of a mono-layered charged dust particle crystal in a DC glow discharge Argon plasma is studied. The nature of the melting/formation process is established as a first order phase transition from the nature of the…

等离子体物理 · 物理学 2020-05-06 M. G. Hariprasad , P. Bandyopadhyay , Garima Arora , A. Sen

A model is developed which allows the investigation and classification of the pairing phase transition in atomic nuclei. The regions of the parameter space are discussed for which a pairing phase transition can be observed. The model…

核理论 · 物理学 2009-11-07 A. Schiller , M. Guttormsen , M. Hjorth-Jensen , J. Rekstad , S. Siem

A canonical ensemble model is used to describe a caloric curve of nuclear liquid-gas phase transition. Allowing a discontinuity in the freeze out density from one spinodal density to another for a given initial temperature, the nuclear…

核理论 · 物理学 2008-11-26 S. J. Lee , A. Z. Mekjian

A review of the present state of investigations of the pseudospin-electron model (PEM), which is used in the theory of strongly correlated electron systems, is given. The model is used to describe the systems with the locally anharmonic…

强关联电子 · 物理学 2016-11-23 Ihor Stasyuk

We investigate the percolation properties of a two-state (occupied - empty) cellular automaton, where at each time step a cluster of occupied sites is removed and the same number of randomly chosen empty sites are occupied again. We find a…

统计力学 · 物理学 2009-10-30 Siegfried Clar , Barbara Drossel , Klaus Schenk , Franz Schwabl

Phase transitions occur in a wide range of physical systems and are characterized by the abrupt change of a physical observable in response to the variation of an external control parameter. Phase transitions are not restricted to…

介观与纳米尺度物理 · 物理学 2022-04-29 Fredrik Brange , Aydin Deger , Christian Flindt

The unconstrained ensemble describes completely open systems in which energy, volume and number of particles fluctuate. Here we show that not only equilibrium states can exist in this ensemble, but also that completely open systems can…

统计力学 · 物理学 2021-04-14 Alessandro Campa , Lapo Casetti , Ivan Latella , Stefano Ruffo

In thermal equilibrium the ground state of the plasma of Standard Model particles is determined by temperature and exactly conserved combinations of baryon and lepton numbers. We show that at non-zero values of the global charges a…

高能物理 - 唯象学 · 物理学 2012-10-09 Alexey Boyarsky , Oleg Ruchayskiy , Mikhail Shaposhnikov

This paper explores the connection between dynamical system properties and statistical physics of ensembles of such systems. Simple models are used to give novel phase transitions; particularly for finite N particle systems with many…

统计力学 · 物理学 2007-11-06 Ajay Patwardhan

Non-equilibrium features of a first order phase transition from the quark-gluon plasma to a hadronic gas in relativistic heavy-ion collisions are discussed. It is demonstrated that strong collective expansion may lead to the fragmentation…

高能物理 - 唯象学 · 物理学 2009-10-31 I. N. Mishustin

This paper provides a complete self-consistent nonlinear theory for electron plasma waves, within the framework of the adiabatic approximation. The theory applies whatever the variations of the wave amplitude, provided that they are slow…

等离子体物理 · 物理学 2022-05-25 M. Tacu , D. Bénisti

Localization of electrons in 1D disordered systems is usually described in the random phase approximation, when distributions of phases \varphi and \theta, entering the transfer matrix, are considered as uniform. In the general case, the…

无序系统与神经网络 · 物理学 2023-10-27 S. I. Bozhevolnyi , I. M. Suslov

Conformational properties of a single flexible polyelectrolyte chain in a poor solvent are studied using constant temperature molecular dynamics simulation. The effects of counterions are explicitly taken in to account. Structural…

统计力学 · 物理学 2012-12-04 Anoop Varghese , Satyavani Vemparala , R. Rajesh

We overview the concept of dynamical phase transitions in isolated quantum systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized by an order parameter, which features qualitatively distinct temporal…

统计力学 · 物理学 2022-10-25 Jamir Marino , Martin Eckstein , Matthew S. Foster , Ana Maria Rey

Liquid-liquid phase separation has recently emerged as an important topic in the context of cellular organization. Within this context, there are multiple poorly understood features; for instance hints of critical behavior in the plasma…

统计力学 · 物理学 2024-06-25 Felix Herrmann , Burkhard Dünweg , Martin Girard

Statistical physics can describe the behavior of microbial populations consisting of many heterogeneous individuals. A direct consequence is the existence of phase transitions, where the behavior of a population changes discontinuously upon…

种群与进化 · 定量生物学 2026-04-20 Kaan Öcal , Syrine Ghrabli , Michael P. H. Stumpf

Nonequilibrium phenomena of the phase transitions are studied. It is shown that due to finite relaxation time of the particle distributions, the use of scalar background dependent distribution functions is inconsistent.This observation may…

高能物理 - 唯象学 · 物理学 2009-10-28 A. Riotto , I. Vilja

We introduce a family of two-dimensional lattice models of quasicrystals, using a range of square hard cores together with a soft interaction based on an aperiodic tiling set. Along a low temperature isotherm we find, by Monte Carlo…

统计力学 · 物理学 2015-05-27 David Aristoff , Charles Radin

The generic changes of the electronic compressibility in systems which show magnetic instabilities is studied. It is shown that, when going into the ordered phase, the compressibility is reduced by an amount comparable to the its original…

凝聚态物理 · 物理学 2009-10-31 F. Guinea , G. Gomez-Santos , D. Arovas

The relation between thermodynamic phase transitions in classical systems and topology changes in their configuration space is discussed for a one-dimensional, analytically tractable solid-on-solid model. The topology of a certain family of…

统计力学 · 物理学 2007-05-23 Michael Kastner