Quark Confinement and the Hadron Spectrum XI

Session

Parallel I: A6 Vacuum structure and confinement

1

11 Sept 2014, 14:00

St. Petersburg

Conveners

Parallel I: A6 Vacuum structure and confinement

• Manfried Faber (Vienna University of Technology)

46. Perfect Abelian dominance of confinement in SU(3) fine lattice QCD

Prof. Hideo Suganuma (Kyoto University)

11/09/2014, 14:00

Section A: Vacuum Structure and Confinement

We investigate the inter-quark potential in the maximally Abelian (MA) gauge in SU(3) quenched QCD on a fine lattice at beta=6.4 (a=0.058 fm). Remarkably, we find almost perfect Abelian dominance of the string tension or the quark confining force on the fine lattice [1]. Thus, the confinement phenomenon in QCD can be well described only with Abelian variables in the MA gauge. [1] N....

59. Lattice QCD analysis for relation between quark confinement and chiral symmtery breaking

Takahiro Doi (Kyoto University)

11/09/2014, 14:30

Section A: Vacuum Structure and Confinement

In the lattice QCD formalism, we analytically derive a relation between the Polyakov loop and Dirac modes on the lattice where the temporal size is odd and link-variables are temporally periodic. The Polyakov loop is an order parameter for quark confinement and low-lying Dirac modes are essential for chiral symmetry breaking. Remarkably, from the relation, we find that low-lying Dirac modes...

216. Study of magnetic monopole condensation using surface operators

Dr Alexander Molochkov (Far Eastern Federal University)

11/09/2014, 15:00

Section A: Vacuum Structure and Confinement

The most important probes for the phase states of a four-dimensional gauge field theory are the Wilson and t'Hooft line operators that are defined on one-dimensional curves in the space-time. However, for more detail understanding of four-dimensional gauge field theory dynamics and vacuum topology we need additional probes expressed by operators defined on the subspaces with higher dimensions....

109. Dynamical QCD string and its symmetries

Prof. Leonid Glozman (University of Graz)

11/09/2014, 15:30

Section A: Vacuum Structure and Confinement

Mesons constructed from the quark propagators without the lowest-lying eigenmodes of the Dirac operator reveal not only restored chiral and U(1)_A symmetries, but actually a higher symmetry. All possible chiral and U(1)_A multiplets for the states of the same spin are degenerate, i.e. the energy of the observed quantum levels does not depend on the spin orientation of quarks and their...