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Dirac operator spectrum in the linear σ model
Authors:T Spitzenberg
Institution:

Institut für Kernphysik, Johannes Gutenberg Universität, J.J.-Becher Weg 45, D-55099, Mainz, Germany

Abstract:The spectrum of the Dirac operator for the linear σ Model with quarks in the large Nc approximation is presented. The spectral density can be related to the chiral condensate which is obtained using renormalization group flow equations. For small eigenvalues, the Banks-Casher relation and the vanishing linear correaction are recovered. The spectrum beyond the low energy regime is discussed.
Keywords:
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