Hadronic current correlation functions at finite temperature in the NJL model

Details Hadronic current correlation functions at finite temperature in the NJL model Hadronic current correlation functions at finite temperature in the NJL model

2004-11-16

arxiv.org/abs/hep-ph/0411219v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at 9th Hadron Physics and 8th Relativistic Aspects of Nuclear Physics (HADRON-RANP 2004): A Joint Meeting on QCD and

Scientific paper

10.1063/1.1843613

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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