Equal-Time Transport Theory for Scalar Particles with Width

Chin. Phys. Lett.

1999, Vol. 16

Issue (5): 330-332 DOI:

Original Articles

Equal-Time Transport Theory for Scalar Particles with Width

ZHUANG Peng-fei¹;Rolf Fauser²

¹Department of Physics, Tsinghua University, Beijing 100084 ²Theoretical Physics Group, Gesellschaft für Schwerionenforschang GSI, D-64291 Darmstadt, Germany

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ZHUANG Peng-fei, Rolf Fauser 1999 Chin. Phys. Lett. 16 330-332

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Abstract For a Ф⁴-theory the equal-time transport theory is derived with a collision term by including 4-point correlations. Within a ћ expansion a set of coupled equations is presented for the first three energy moments of the Wigner functions and the 4-point correlations. The presence of 4-point correlations. The limit ћ→ 0 is discussed. describing the collision term leads already in this limit to particles with width.

Keywords: 05.60.+w 11.10.Wx 24.10.Cw

Published: 01 May 1999

PACS:	05.60.+w
	11.10.Wx	(Finite-temperature field theory)
	24.10.Cw

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1999/V16/I5/0330

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