On normal ordering and canonical transformations in thermal field theory

被引：1
|
作者：
Blasone, M
Evans, TS
Steer, DA
Vitiello, G
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England
[2] Ist Nazl Fis Nucl, Grp Collegato, Salerno, Italy
[3] Univ Salerno, Dipartimento Fis, I-84100 Salerno, Italy
[4] Univ Cambridge, Dept Appl Math & Theoret Phys, Cambridge CB3 9EW, England
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1999年 / 32卷 / 07期
关键词：
D O I：
10.1088/0305-4470/32/7/009
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We look at a real scalar field in thermal equilibrium in the context of the new normal ordering and field split defined by Evens and Steer (Evans T S and Steer D A 1996 Nucl. Phys. B 474 481). We show that the field split defines a natural canonical transformation, but that this transformation differs from others known in thermal held theory.
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页码：1185 / 1195
页数：11
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