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Classical Mechanics x clear all

The Derivation of the Exact Internal Energies for Spin Glass Models by Applying the Gauge Theory to the Fortuin-Kasteleyn Representation

Chiaki Yamaguchi.

in Progress of Theoretical Physics

February 2012; p ublished online February 2012 .

Journal Article. Subjects: Classical Mechanics. 0 words.

We derive the exact internal energies and the rigorous upper bounds of specific heats for several spin glass models by applying the gauge theory to the Fortuin-Kasteleyn representation...

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Dynamical Density Fluctuations around QCD Critical Point Based on Dissipative Relativistic Fluid Dynamics

Yuki Minami and Teiji Kunihiro.

in Progress of Theoretical Physics

October 2009; p ublished online October 2009 .

Journal Article. Subjects: Fluid Mechanics; Nuclear Physics. 0 words.

The purpose of this paper is twofold. Firstly, we study the dynamical density fluctuations around the critical point (CP) of quantum chromodynamics (QCD) using dissipative relativistic...

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Dynamics of a deformable self-propelled particle with internal rotational force

Mitsusuke Tarama and Takao Ohta.

in Progress of Theoretical and Experimental Physics

P ublished online January 2013 .

Journal Article. Subjects: Classical Mechanics. 8732 words.

We investigate the dynamics of a single deformable active particle that is accompanied by two types of internal force. One is related to the spontaneous propulsion of the center of mass and...

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Dynamics of an adiabatically effective two-level atom interacting with a star-like system

M. Sebawe Abdalla, M. M. A. Ahmed, E. M. Khalil and A.-S. F. Obada.

in Progress of Theoretical and Experimental Physics

P ublished online July 2014 .

Journal Article. Subjects: Quantum Physics; Classical Mechanics. 6085 words.

Using the adiabatic elimination we have managed to deal with the problem of the interaction between a single three-level atom and [math] two-level non-interacting atoms. The adiabatic...

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E(K, L) level statistics of classically integrable quantum systems based on the Berry–Robnik approach

Hironori Makino and Nariyuki Minami.

in Progress of Theoretical and Experimental Physics

P ublished online July 2014 .

Journal Article. Subjects: Classical Mechanics. 5001 words.

The theory of the quantal level statistics of a classically integrable system, developed by Makino et al. in order to investigate the non-Poissonian behaviors of level-spacing distribution...

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Entanglement entropies of non-equilibrium finite-spin systems

Koichi Nakagawa.

in Progress of Theoretical and Experimental Physics

February 2015; p ublished online February 2015 .

Journal Article. Subjects: Classical Mechanics. 2432 words.

For the purpose of clarifying a new approach to understanding quantum entanglement using thermofield dynamics (TFD), entanglement entropies of non-equilibrium finite-spin systems are...

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Entanglement of a cavity field interacting with a superconducting charge qubit

M. Sebawe Abdalla, A.-S. F. Obada, E. M. Khalil and A.-B. A. Mohamed.

in Progress of Theoretical and Experimental Physics

P ublished online August 2013 .

Journal Article. Subjects: Quantum Physics; Classical Mechanics. 5613 words.

The system of a superconducting charge qubit interacting with a field in the case of lifting the restriction of the degeneracy point ([math]) is considered. Two different kinds of canonical...

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Entropy production and isotropization in Yang–Mills theory using a quantum distribution function

Hidekazu Tsukiji, Teiji Kunihiro, Akira Ohnishi and Toru T Takahashi.

in Progress of Theoretical and Experimental Physics

P ublished online January 2018 .

Journal Article. Subjects: Classical Mechanics; Nuclear Physics. 7310 words.

Abstract

We investigate the thermalization process from a glasma-like initial condition in a static box in terms of the Husimi–Wehrl (HW) entropy defined with...

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Entropy Production in Gluodynamics in Temporal Axial Gauge in 2+1 Dimensions

Akihiro Nishiyama and Akira Ohnishi.

in Progress of Theoretical Physics

April 2011; p ublished online April 2011 .

Journal Article. Subjects: Classical Mechanics; Nuclear Physics. 0 words.

Entropy production in non-Abelian gauge theory is discussed in the limit of vanishing classical fields. On the basis of the Kadanoff-Baym equation with the leading order self-energy in the...

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Entropy production in quantum Yang–Mills mechanics in the semiclassical approximation

Hidekazu Tsukiji, Hideaki Iida, Teiji Kunihiro, Akira Ohnishi and Toru T. Takahashi.

in Progress of Theoretical and Experimental Physics

August 2015; p ublished online August 2015 .

Journal Article. Subjects: Classical Mechanics; Nuclear Physics. 7355 words.

We discuss thermalization of isolated quantum systems by using the Husimi–Wehrl entropy evaluated in the semiclassical treatment. The Husimi–Wehrl entropy is the Wehrl entropy obtained by...

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