Hadronic current correlation functions at finite temperature in the NJL model
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Data
2004-01-01
Autores
Farias, RLS
Krein, G.
Battistel, O. A.
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American Institute of Physics (AIP)
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Recently there have been suggestions that for a proper description of hadronic matter and hadronic correlation functions within the NJL model at finite density/temperature the parameters of the model should be taken density/temperature dependent. Here we show that qualitatively similar results can be obtained using a cutoff-independent regularization of the NJL model. In this regularization scheme one can express the divergent parts at finite density/temperature of the amplitudes in terms of their counterparts in vacuum.
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Ix Hadron Physics and Vii Relativistic Aspects of Nuclear Physics. Melville: Amer Inst Physics, v. 739, p. 431-433, 2004.