Simulation of Lattice QCD with Domain-Wall Fermions - INSPIRE

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Simulation of Lattice QCD with Domain-Wall Fermions

TWQCD

Collaboration

•

Ting-Wai Chiu
(
- Taiwan, Natl. Taiwan U.
)

for the collaboration.

Feb 27, 2013

13 pages

Published in:

J.Phys.Conf.Ser. 454 (2013) 012044

Contribution to:

- QCDNA VII

e-Print:

1302.6918 [hep-lat]

DOI:

10.1088/1742-6596/454/1/012044

Report number:

NTUTH-13-505A

View in:

ADS Abstract Service

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Abstract: (arXiv)

Quantum Chromodynamics (QCD) is the fundamental theory for the interaction between quarks and gluons. It manifests as the short-range strong interaction inside the nucleus, and plays an important role in the evolution of the early universe, from the quark-gluon phase to the hadron phase. To solve QCD is a grand challenge, since it requires very large-scale numerical simulations of the discretized action of QCD on the 4-dimensional space-time lattice. Moreover, since quarks are relativistic fermions, the 5-th dimension is introduced such that massless quarks with exact chiral symmetry can be realized at finite lattice spacing, on the boundaries of the 5-th dimension, the so-called domain-wall fermion (DWF). In this talk, I discuss how to simulate lattice QCD with DWF such that the chiral symmetry can be preserved optimally with a finite extent in the 5-th dimension. I also outline the simulations which have been performing by the TWQCD Collaboration and present some recent physical results.

Note:

13 pages, Invited talk at the IUPAP Conference on Computational Physics (IUPAP-CCP2012), October 14-18, 2012, Kobe, Japan

quark: domain wall
symmetry: chiral
quantum chromodynamics: action
quark: massless
space-time: lattice
lattice field theory: action
numerical calculations
strong interaction
short-range
quark: flavor: 2

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