Lee’s Theorem in η-ξ Spacetime

Chin. Phys. Lett.

1993, Vol. 10

Issue (5): 261-264 DOI:

Original Articles

Lee’s Theorem in η-ξ Spacetime

GUI Yuanxing

International Centre for Materials Physics, Academia Sinica, Shenyang 110015 Department of Physics, Dalian University of Technology, Dalian 116023 (mailing address)

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GUI Yuanxing 1993 Chin. Phys. Lett. 10 261-264

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Abstract Lee’s theorem in η-ξ spacetime is discussed. For massless free scalar field, Lee’s theorem is derived from thermal Bogoliubov transformation in η-ξ field theory. For scarlar fields with an arbitrary interaction in η-ξ spacetime, Lee’s theorem is proven by Feynman path-integral method.

Keywords: 03.70.+k 05.30.-d 11.10.–z

Published: 01 May 1993

PACS:	03.70.+k	(Theory of quantized fields)
	05.30.-d	(Quantum statistical mechanics)
	11.10.–z

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I5/0261

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