OPERATOR ANALYSIS OF AN RPA-REDUCED POLARON MODEL WITHIN THE BOGOLUBOV REPRESENTATION IN MAGNETIC FIELD AT FINITE TEMPERATURE. PART 1-Reference-Cited by-同舟云学术

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OPERATOR ANALYSIS OF AN RPA-REDUCED POLARON MODEL WITHIN THE BOGOLUBOV REPRESENTATION IN MAGNETIC FIELD AT FINITE TEMPERATURE. PART 1

Published:2009-09-30 Issue:24 Volume:23 Page:4843-4853
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

BOGOLUBOV NIKOLAI¹²,GHAZARYAN ANNA³,PRYKARPATSKY YAREMA⁴⁵⁶

Affiliation:

1. Steklov Mathematical Institute of the Russian Academy of Sciences, Moscow, Russian Federation

2. and the Abdus Salam International Centre for Theoretical Physics, Trieste, Italy

3. M.V. Lomonosov State University, Faculty of Physics, Moscow, Russian Federation

4. Pedagogical University of Cracow, Poland

5. Institute of Mathematics of NASU, Kyiv, Ukraine

6. Ivan Franko State Pedagogical University of Drohobych, Ukraine

Abstract

The polaron model in ionic crystal is studied in the N. Bogolubov representation using a special RPA-approximation. A new exactly solvable approximated polaron model is derived and described in detail. Its free energy at finite temperature is calculated analytically. The polaron free energy in the constant magnetic field at finite temperature is also discussed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979209053941

Reference19 articles.

1. The Motion of Slow Electrons in a Polar Crystal

2. Rigorous Ground State Energy of a Linearized Model of a Polaron in a Magnetic Field

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