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Quark Confinement and the Hadron Spectrum XI

7–12 Sept 2014
St. Petersburg
Europe/Moscow timezone

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Session

Parallel I: A6 Vacuum structure and confinement

1
11 Sept 2014, 14:00
St. Petersburg

St. Petersburg

Conveners

Parallel I: A6 Vacuum structure and confinement

  • Manfried Faber (Vienna University of Technology)

Presentation materials

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  1. 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....
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  2. 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...
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  3. 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....
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  4. 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...
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