Equal-Time Transport Theory for Scalar Particles with Width
ZHUANG Peng-fei1 , Rolf Fauser2
1 Department of Physics, Tsinghua University, Beijing 100084
2 Theoretical Physics Group, Gesellschaft für Schwerionenforschang GSI, D-64291 Darmstadt, Germany
Equal-Time Transport Theory for Scalar Particles with Width
ZHUANG Peng-fei1 ;Rolf Fauser2
1 Department of Physics, Tsinghua University, Beijing 100084
2 Theoretical Physics Group, Gesellschaft für Schwerionenforschang GSI, D-64291 Darmstadt, Germany
关键词 ：
05.60.+w ,
11.10.Wx ,
24.10.Cw
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.
Key words ：
05.60.+w
11.10.Wx
24.10.Cw
出版日期: 1999-05-01
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1999, Vol. 16 
