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

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

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

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...

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

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...

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

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...

## Entanglement entropies of non-equilibrium finite-spin systems

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...

## Entanglement of a cavity field interacting with a superconducting charge qubit

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...

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

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

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

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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