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                                 Abstract:We calculate the effective mass and damping rate in φ63 theory at finite temperature by evaluating the real and imaginary parts of the one-loop self energies at the hard thermal loop (HTL) approximation. We show that there is thermal instability above a critical temperature Tc. The effective mass and damping rate are proportional to gT and gT respectively. We compare our results with those in hot QCD.
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                        References
	
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								. Antiproton -Nucleus Charge Exchange Reaction and Inelastic Scattering. Chinese Physics C,
							1996, 20(11): 1021-1027. |  
 
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