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1998-03-27
The speed of cool soft pions
J. M. Martinez RescoM. A. Valle Basagoiti
文献摘要
The speed of cool pions in the chiral limit is analytically computed at low temperature within the imaginary time formalism to two loop order. This evaluation shows a logarithmic dependence in the temperature where the scale within the logarithm is very large compared to the pion decay constant.
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