Quantum Chaos in Supersymmetric QCD at Finite Density (New directions)

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概要

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• We investigate the distribution of the spacings of adjacent eigenvalues of the lattice Dirac operator. At zero chemical potential μ, the nearest-neighbor spacing distribution P (s) follows the Wigner surmise of random matrix theory both in the confinement and in the deconfinement phase. This is indicative of quantum chaos. At nonzero chemical potential, the eigenvalues of the Dirac operator become complex and we discuss how P (s) can be defined in the complex plane. Numerical results from an SU (2) simulation with staggered fermions in fundamental and adjoint representations are compared with predictions from non-hermitian random matrix theory, and agreement with the Ginibre ensemble is found for μ〓0.5.

• 理論物理学刊行会の論文
• 2004-05-31

著者

• Bittner Elmar

  Lnstitut Fur Theoretische Physik Universitat Leipzig

• Hands Simon

  Department Of Physics Swansea University

• MARKUM Harald

  Institut fur Kernphysik, Technische University Wien

• Markum Harald

  Atominstitut Technische Universitat Wien

• PULLIRSCH Rainer

  Atominstitut, Technische Universitat Wien

• Pullirsch Rainer

  Atominstitut Technische Universitat Wien

関連論文

• Study of QCD Thermodynamics at Finite Density by Taylor Expansion (3-color QCD on the lattice)
• Lattice Simulations of 2-Colour QCD with Wilson Fermions (Two-color QCD at finite density and finite isospin model)
• Towards a Topological Mechanism of Quark Confinement
• Quantum Chaos in Supersymmetric QCD at Finite Density (New directions)
• Simulating Dense Matter(Theoretical methods, Dense hadronic and quark matter, New Frontiers in QCD-Exotic Hadrons and Hadronic Matter-)

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