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.

引用

页码：1185 / 1195

页数：11

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