One ρ-Meson Exchange Potential at Finite Temperature

  • By means of the imaginary-time Green function method in finite-temperature field theory,one ρ-meson exchange potential at finite temperature is obtained.It is found that ρ-meson become lighter in terms of temperature increasing.The result is in good agreement with that obtained from scalling property of QCD.It is also found that temperature dependence of ρ-meson coupling constants is similar to that of,σ-meson coupling constants.
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  • [1] G.E.Brown et.al,Nucl.Phys,A506(199Q)565;A522(1991)397c.[2]G.E.Brown et.al,Phys.Rev.Lett,66(1991)2721.[3]R.K.Su and G.T.Zheng,Jour,of Phys,G16(1990)203.[4]G.T.Zheng and R.K.Su,High Ener.Phys.Nucl.Phys,14(1990)135.[5]郑国桐、苏汝铿,高能物理与核物理,15(1991)689;16(1992)131.[6]R.Machleidt et.al.,Phys.Rep.,149(1987)1.
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Zheng Cuotong and Su Rukeng. One ρ-Meson Exchange Potential at Finite Temperature[J]. Chinese Physics C, 1994, 18(6): 525-533.
Zheng Cuotong and Su Rukeng. One ρ-Meson Exchange Potential at Finite Temperature[J]. Chinese Physics C, 1994, 18(6): 525-533. shu
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Received: 1900-01-01
Revised: 1900-01-01
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One ρ-Meson Exchange Potential at Finite Temperature

    Corresponding author: Zheng Cuotong,
  • Department of Physics,Hangzhou Teacher's College,Hangzhou 3100122 Department of Physics,Fudan University,Shanghai 200433

Abstract: By means of the imaginary-time Green function method in finite-temperature field theory,one ρ-meson exchange potential at finite temperature is obtained.It is found that ρ-meson become lighter in terms of temperature increasing.The result is in good agreement with that obtained from scalling property of QCD.It is also found that temperature dependence of ρ-meson coupling constants is similar to that of,σ-meson coupling constants.

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