Quantum statistical correlations in thermal field theories: boundary effective theory
We show that the one-loop effective action at finite temperature for a scalar field with quartic interaction has the same renormalized expression as at zero temperature if written in terms of a certain classical field ϕc, and if we trade free propagators at zero temperature for their finite-temperat...
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Формат: | article |
Язык: | English |
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American Physical Society
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Online-ссылка: | https://repositorio.ufrn.br/jspui/handle/123456789/29790 |
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