Can monopoles alone reproduce the string tension also in SU(2) lattice QCD?

Ohno, Satoshi; Ilyar, Sawut; Kitahara, Shun-ichi; Matsubara, Yoshimi; Ohkubo, Hiroshi; Suzuki, Tsuneo

doi:10.1016/0920-5632(93)90273-9

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QCD Monopoles and Chiral Symmetry Breaking on SU(2) Lattice

Miyamura¹,

Origuchi²

1996

Color Confinement and Hadrons

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Pseudoscalar correlator is measured in a singular (monopole dominant) and a regular (photon dominant) parts of a maximal abelian field on SU(2) lattice. In the abelian field and its singular part, light pseudoscalar boson are observed similar to that in SU (2) field. On the other hand , the correlator in the regular part behaves like a product of free quark and anti-quark. Obtained results give a support for a possibility that monopole condensation is responsible for chiral symmetry breaking as well as confinement. Correlation between monopoles and instantons is also investigated by observing topological charge. A field including monopoles carrys topological charge with good correlation to that in original SU(2) gauge field while that including only photons shows no topological charge.

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