## Averaged Semiquantum Method Is a Useful Tool to Predict the Decoherence of Kicked Harmonic Oscillator System

in** Progress of Theoretical Physics**

February 2010; p ublished online February 2010 .

Journal Article. Subjects: Quantum Physics; Classical Mechanics; Computational Physics. 0 words.

We investigate the quantum-classical correspondence of kicked harmonic oscillator (KHO) model by the averaged semiquantum method. Furthermore, we investigate the decoherence of *N* dimensiona...

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** » ** abstract

## Complex Spectral Representation of the Liouvillian and Kinetic Theory in Nonequilibrium Physics

in** Progress of Theoretical Physics**

March 2010; p ublished online March 2010 .

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

Kinetic theory in nonequilibrium statistical physics is discussed in terms of the complex spectral representation of the Liouvillian for quantum systems. We show that the collision operator...

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** » ** abstract

## 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...

## 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...

## Eulerian and Newtonian dynamics of quantum particles

in** Progress of Theoretical and Experimental Physics**

P ublished online June 2013 .

Journal Article. Subjects: Quantum Physics; Classical Mechanics; Mathematical and Statistical Physics. 8920 words.

We derive the classical equations of hydrodynamics (the Euler and continuity equations), from which the Schrödinger equation follows as a limit case. It is shown that the statistical...

## Fermionic functional renormalization group approach to superfluid phase transition

in** Progress of Theoretical and Experimental Physics**

P ublished online April 2014 .

Journal Article. Subjects: Condensed Matter Physics; Quantum Physics; Classical Mechanics; Particles and Fields. 7548 words.

A fermionic functional renormalization group (FRG) is applied to describe the superfluid phase transition of the two-component fermionic system with attractive contact interaction. The...

## Introduction to Nonequilibrium Statistical Mechanics with Quantum Field Theory

in** Progress of Theoretical Physics**

April 2010; p ublished online April 2010 .

Journal Article. Subjects: Condensed Matter Physics; Quantum Physics; Classical Mechanics; Fluid Mechanics. 0 words.

In this article, we present a concise and self-contained introduction to nonequilibrium statistical mechanics with quantum field theory by considering an ensemble of interacting identical...

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** » ** abstract

## Many-particle quantum hydrodynamics: Exact equations and pressure tensors

in** Progress of Theoretical and Experimental Physics**

P ublished online January 2018 .

Journal Article. Subjects: Quantum Physics; Fluid Mechanics. 22841 words.

**Abstract**

In the first part of this paper, the many-particle quantum hydrodynamics equations for a system containing many particles of different sorts are...

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## Non-Abelian strategies in quantum penny flip game

in** Progress of Theoretical and Experimental Physics**

P ublished online January 2018 .

Journal Article. Subjects: Mathematical and Statistical Physics; Classical Mechanics; Quantum Physics. 5048 words.

**Abstract**

In this paper, we formulate and analyze generalizations of the quantum penny flip game. In the penny flip game, one coin has two states, heads or...

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## Non-divergent representation of a non-Hermitian operator near the exceptional point with application to a quantum Lorentz gas

in** Progress of Theoretical and Experimental Physics**

February 2015; p ublished online February 2015 .

Journal Article. Subjects: Quantum Physics; Classical Mechanics. 9040 words.

We propose a non-singular representation for a non-Hermitian operator even if the parameter space contains exceptional points (EPs), at which the operator cannot be diagonalized and the...