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The Spectrum of the Dirac Operator in the Linear Sigma Model with Quarks

T. Spitzenberg·K. Schwenzer·H. -J. Pirner
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Abstract

We derive the spectrum of the Dirac operator for the linear sigma-model with quarks in the large N_c approximation using renormalization group flow equations. For small eigenvalues, the Banks-Casher relation and the vanishing linear term are recovered. We calculate the coefficient of the next to leading term and investigate the spectrum beyond the low energy regime.

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T. Spitzenberg, K. Schwenzer, H. -J. Pirner. 2002-01-11. The Spectrum of the Dirac Operator in the Linear Sigma Model with Quarks. https://doi.org/10.1103/physrevd.65.074017

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