Exact Expressions of Energy Spectrum and Partition Function for Quantum Quadratic Systems

Chin. Phys. Lett.

1997, Vol. 14

Issue (4): 241-244 DOI:

Original Articles

Exact Expressions of Energy Spectrum and Partition Function for Quantum Quadratic Systems

PAN Jian-wei^1,2;ZHANG Yong-de¹;G. G. Siu³

¹Department of Modern Physics, University of Science and Technology of China, Hefei 230027 ²Present address: Institute of Experimental Physics, University of Innsbruck, Austria ³Department of Physics and Materials Sciences, City University of Hongkong, Kwoloon, Hongkong

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PAN Jian-wei, ZHANG Yong-de, G. G. Siu 1997 Chin. Phys. Lett. 14 241-244

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Abstract Based on the linear quantum transformation theory, we present a new approach to obtain the explicit expressions of energy spectrum and simplify the derivations of partition functions for general multi-mode boson and fermion quadratic systems.

Keywords: 03.65.Fd 05.30.-d 42.50.-p

Published: 01 April 1997

PACS:	03.65.Fd	(Algebraic methods)
	05.30.-d	(Quantum statistical mechanics)
	42.50.-p	(Quantum optics)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I4/0241

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