The Bogolubov representation of the polaron model and its completely integrable RPA-approximation
The polaron model in ionic crystal is studied in the 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 cons...
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| Published in: | Condensed Matter Physics |
|---|---|
| Date: | 2010 |
| Main Authors: | , , |
| Format: | Article |
| Language: | English |
| Published: |
Інститут фізики конденсованих систем НАН України
2010
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/32100 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | The Bogolubov representation of the polaron model and its completely integrable RPA-approximation / N.N. Bogolubov (jr.), Ya.A. Prykarpatsky, A.A. Ghazaryan // Condensed Matter Physics. — 2010. — Т. 13, № 2. — С. 23703: 1-10. — Бібліогр.: 24 назв. — англ. |