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We study the confinement physics in QCD in the maximally abelian (MA) gauge using the SU(2) lattice QCD, based on the dual-superconductor picture. In the MA gauge, off-diagonal gluon components are forced to be small, and the off-diagonal…

High Energy Physics - Lattice · Physics 2009-09-25 Hideo Suganuma , Hiroko Ichie , Kazuhisa Amemiya , Atsunori Tanaka

We study quark confinement physics using lattice QCD. In the maximally abelian (MA) gauge, the off-diagonal gluon amplitude is strongly suppressed, and then the off-diagonal gluon phase shows strong randomness, which leads to a large…

High Energy Physics - Lattice · Physics 2007-05-23 H. Suganuma , K. Amemiya , H. Ichie , H. Matsufuru , Y. Nemoto , T. T. Takahashi

Based on the dual-superconductor picture, we study the confinement physics in QCD in terms of the monopole in the maximally abelian (MA) gauge using the SU(2) lattice QCD. In the MA gauge, the off-diagonal gluon component is forced to be…

High Energy Physics - Lattice · Physics 2007-05-23 H. Suganuma , K. Amemiya , A. Tanaka , H. Ichie

Based on the dual superconductor picture, we study the confinement phenomena systematically, using the lattice QCD, the monopole-current dynamics and the dual Ginzburg-Landau (DGL) theory. (1) We study the origin of abelian dominance for…

High Energy Physics - Lattice · Physics 2007-05-23 Hiroko Ichie , Hideo Suganuma

We briefly review the QCD physics and then introduce recent topics on the confinement physics. In the maximally abelian (MA) gauge, the low-energy QCD is abelianized owing to the effective off-diagonal gluon mass $M_{\rm off} \simeq 1.2…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Suganuma , K. Amemiya , H. Ichie , Y. Koma

We study theoretical bases of the dual Higgs theory for confinement physics in QCD in terms of monopoles and the gluon configuration in the maximally abelian (MA) gauge. Abelian dominance for the confinement force can be analytically proved…

High Energy Physics - Lattice · Physics 2007-05-23 Hiroko Ichie , Hideo Suganuma

We study infrared abelian dominance and the dual Higgs mechanism in the maximally abelian (MA) gauge using the lattice QCD Monte Carlo simulation. In the MA gauge, the off-diagonal gluon phase tends to be random, and the off-diagonal gluon…

High Energy Physics - Lattice · Physics 2015-06-25 H. Suganuma , K. Amemiya , H. Ichie

We are aiming to construct Quark Hadron Physics and Confinement Physics based on QCD. Using SU(3)$_c$ lattice QCD, we are investigating the three-quark potential at T=0 and $T \ne 0$, mass spectra of positive and negative-parity baryons in…

High Energy Physics - Phenomenology · Physics 2009-12-08 H. Suganuma , K. Amemiya , H. Ichie , N. Ishii , H. Matsufuru , N. Nakajima , Y. Nemoto , M. Oka , T. T. Takahashi

We study abelian dominance and monopole condensation for the quark confinement physics using the lattice QCD simulations in the MA gauge. These phenomena are closely related to the dual superconductor picture of the QCD vacuum, and enable…

High Energy Physics - Phenomenology · Physics 2009-10-31 Y. Koma , H. Suganuma , K. Amemiya , M. Fukushima , H. Toki

We study abelian dominance for confinement in terms of the local gluon properties in the maximally abelian (MA) gauge, where the diagonal component of the gluon is maximized by the gauge transformation. We find microscopic abelian dominance…

High Energy Physics - Lattice · Physics 2007-05-23 Hiroko Ichie , Hideo Suganuma

Using the SU(2) lattice QCD, we formulate the dual Wilson loop and study the dual Higgs mechanism induced by monopole condensation in the maximally abelian (MA) gauge, where QCD is reduced into an abelian gauge theory including the electric…

High Energy Physics - Lattice · Physics 2007-05-23 Atsunori Tanaka , Hideo Suganuma

We study abelianization of QCD in the maximally abelian (MA) gauge. In the MA gauge, the off-diagonal gluon amplitude is strongly suppressed, and then the off-diagonal gluon phase shows strong randomness, which leads to a large off-diagonal…

High Energy Physics - Lattice · Physics 2015-06-25 H. Suganuma , K. Amemiya , H. Ichie , N. Ishii , H. Matsufuru , T. T. Takahashi

The dual superconductivity is believed to be a promising mechanism for quark confinement. Indeed, what this picture is true has been confirmed in the maximal Abelian (MA) gauge. However, it is not yet confirmed in any other gauge and the MA…

High Energy Physics - Lattice · Physics 2008-11-26 A. Shibata , S. Ito , S. Kato , K. -I. Kondo , T. Murakami , T. Shinohara

We study the Nambu-'t Hooft picture for color confinement in terms of the abelianization of QCD and monopole condensation in the maximally abelian (MA) gauge. In the MA gauge in the Euclidean metric, the off-diagonal gluon amplitude is…

High Energy Physics - Lattice · Physics 2009-12-31 Hideo Suganuma , Hiroko Ichie

We study the confinement physics in QCD in the maximally abelian (MA) gauge using the SU(2) lattice QCD. To clarify the origin of abelian dominance for the long-range physics, we study the charged-gluon propagator in the lattice QCD, and…

High Energy Physics - Lattice · Physics 2008-11-26 Hideo Suganuma , Hiroko Ichie , Atsunori Tanaka , Kazuhisa Amemiya

Based on the dual Higgs picture for confinement, we study monopole properties in the maximally abelian (MA) gauge using the lattice QCD. The monopole carries a large fluctuation of the gluon field and provides a large abelian action in…

High Energy Physics - Lattice · Physics 2007-05-23 Hiroko Ichie , Hideo Suganuma

To check the dual superconductor picture for the quark-confinement mechanism, we evaluate monopole dominance as well as Abelian dominance of quark confinement for both quark-antiquark and three-quark systems in SU(3) quenched lattice QCD in…

High Energy Physics - Lattice · Physics 2019-06-11 Hideo Suganuma , Naoyuki Sakumichi

The nonperturbative phenomena of QCD like color confinement is well described through the dual superconductor picture in the Maximally Abelian (MA) gauge. In this gauge, monopoles appear as important degrees of freedom composed by…

High Energy Physics - Lattice · Physics 2007-05-23 Hiroko Ichie , Hideo Suganuma

We study abelian dominance for confinement in terms of the local gluon properties in the maximally abelian (MA) gauge in a semi-analytical manner with the help of the lattice QCD. The global Weyl symmetry persistently remains as the relic…

High Energy Physics - Lattice · Physics 2015-06-25 Hiroko Ichie , Hideo Suganuma

We study monopoles and gluon fields in QCD in the maximally abelian (MA) gauge in the context of the dual superconductor picture for confinement. In the abelian gauge, unit-charge magnetic monopoles appear, but multi-charge monopoles do not…

High Energy Physics - Lattice · Physics 2009-10-31 Hiroko Ichie , Hideo Suganuma
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