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Cited by 512

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Random matrix theory and spectral sum rules for the Dirac operator in QCD

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Shuryak, E.V., Verbaarschot, J.J.M.·1993·Nuclear Physics A

Abstract

Abstract We construct a random matrix model that, in the large- N limit, reduces to the low-energy limit of the QCD partition function put forward by Leutwyler and Smilga. This equivalence holds for an arbitrary number of flavors and any value of the QCD vacuum angle. In this model, moments of the inverse squares of eigenvalues of the Dirac operator obey sum rules, which we conjecture to be universal. In other words, the validity of the sum rules depends only on the symmetries of the theory but not on its details. To illustrate this point we show that the sum rules hold for an interacting liquid of instantons. The physical interpretations is that the way the thermodynamic limit of the spectral density near zero is approached is universal. However, its value, i.e. the chiral condensate, is not.

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Metadata

Authors
Shuryak, E. V., & Verbaarschot, J. J. M.
Venue
Nuclear Physics A
Publisher
Elsevier BV
Published
1993-07
Volume
560
Issue
1
Pages
306-320
ISSN
0375-9474 (ISSN-L)
OpenAlex
W2089663769
Cited by
512
References
1
FWCI
7.95
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Random matrix theory and spectral sum rules for the Dirac operator in QCD. https://app.cochat.ai/papers/10.1016/0375-9474(93)90098-i
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Shuryak, E. V., & Verbaarschot, J. J. M. (1993). Random matrix theory and spectral sum rules for the Dirac operator in QCD. Nuclear Physics A. https://doi.org/10.1016/0375-9474(93)90098-i

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