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相关论文: Improved Measure of Local Chirality

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The use of the absolute measure of local chirality is championed since it has a uniform distribution for randomly reshuffled chiral components so that any deviations from uniformity in the associated "X-distribution" are directly…

高能物理 - 格点 · 物理学 2016-08-14 Andrei Alexandru , Terrence Draper , Ivan Horváth , Thomas Streuer

The reasons for using low-lying Dirac eigenmodes to probe the local structure of topological charge fluctuations in QCD are discussed, and it is pointed out that the qualitative double-peaked behavior of the local chiral orientation…

高能物理 - 格点 · 物理学 2008-11-26 I. Horvath , S. J. Dong , T. Draper , N. Isgur , F. X. Lee , K. F. Liu , J. McCune , H. B. Thacker , J. B. Zhang

We propose a framework for quantitative evaluation of dynamical tendency for polarization in arbitrary random variable that can be decomposed into a pair of orthogonal subspaces. The method uses measures based on comparisons of given…

高能物理 - 格点 · 物理学 2011-08-05 Andrei Alexandru , Terrence Draper , Ivan Horvath , Thomas Streuer

In this talk, which popularizes some of our recent work, we provide novel insights into the bulk properties of light chiral quarks in a fixed Euclidean volume (e.g. lattice QCD). We show that the spontaneous breakdown of chiral symmetry…

高能物理 - 唯象学 · 物理学 2007-05-23 Romuald A. Janik , Maciej A. Nowak , Gabor Papp , Ismail Zahed

A disorder parameter detecting dual superconductivity of the vacuum is measured across the chiral phase transition in full QCD with two flavours of dynamical staggered fermions. The observed behaviour is similar to the quenched case.

高能物理 - 格点 · 物理学 2008-11-26 J. M. Carmona , M. D'Elia , L. Del Debbio , A. Di Giacomo , B. Lucini , G. Paffuti

We use low lying eigenvectors of the overlap-Dirac operator as a probe of the QCD vacuum. If instantons play a significant role one would expect the low lying eigenmodes of the overlap-Dirac operator to consist mainly of the mixed ``would…

高能物理 - 格点 · 物理学 2014-11-17 Robert G. Edwards , Urs M. Heller

A model for the QCD vacuum based on a domainlike structured background gluon field with definite duality attributed to the domains has been shown elsewhere to give confinement of static quarks, a reasonable value for the topological…

高能物理 - 唯象学 · 物理学 2009-11-07 Alex C. Kalloniatis , Sergei N. Nedelko

I explain the concept that light quarks diffuse in the QCD vacuum following the spontaneous breakdown of chiral symmetry. I exploit the striking analogy to disordered electrons in metals, identifying, among others, the universal regime…

高能物理 - 唯象学 · 物理学 2007-05-23 Maciej A. Nowak

We discuss the utility of low-lying Dirac eigenmodes for studying the nature of topological charge fluctuations in QCD. The implications of previous results using the local chirality histogram method are discussed, and the new results using…

高能物理 - 格点 · 物理学 2008-11-26 S. J. Dong , T. Draper , I. Horvath , N. Isgur , F. X. Lee , J. McCune , J. B. Zhang , H. B. Thacker

We study the QCD vacuum orientation angles in correlation with the strong CP phases. A vacuum alignment equation of the dynamical chiral symmetry breaking is derived based on the anomalous Ward identity. It is emphasized that a chiral…

高能物理 - 唯象学 · 物理学 2015-06-25 Zheng Huang , K. S. Viswanathan , D. D. Wu

We present a physically motivated parameterization of the chiral-odd generalized parton distributions. The parametrization is an extension of our previous one in the chiral-even sector which was based on the reggeized diquark model. While…

高能物理 - 唯象学 · 物理学 2014-12-05 G. R. Goldstein , J. O. Gonzalez Hernandez , S. Liuti

In this talk I summarize our recent work on the vector dominance in QCD by using the the hidden local symmetry as an effective field theory of QCD.

高能物理 - 唯象学 · 物理学 2007-05-23 Masayasu Harada

In this talk we review some recent results from random matrix models as applied to some non-perturbative issues in QCD. All of the issues we will discuss touched upon the important phenomenon related to the spontaneous breaking of chiral…

高能物理 - 唯象学 · 物理学 2007-05-23 Romuald A. Janik , Maciej A. Nowak , Gabor Papp , Ismail Zahed

The semi-classical theory of radiation-matter coupling misses local-field effects that may alter the pulse time-ordering and cascading that leads to the generation of new signals. These are then introduced macroscopically by solving…

量子物理 · 物理学 2015-06-18 Kochise Bennett , Shaul Mukamel

Overlap fermions preserve a remnant of chiral symmetry on the lattice. They are a powerful tool to investigate the topological structure of the vacuum of Yang-Mills theory and full QCD. Recent results concerning the localization of…

高能物理 - 格点 · 物理学 2011-04-01 E. -M. Ilgenfritz , K. Koller , Y. Koma , G. Schierholz , V. Weinberg

We describe a rearrangement of the standard expansion of the symmetry breaking part of the QCD effective Lagrangian that includes into each order additional terms which in the standard chiral perturbation theory ($\chi$PT) are relegated to…

高能物理 - 唯象学 · 物理学 2009-10-22 J. Stern , H. Sazdjian , N. H. Fuchs

Chiral phonons have been proposed to be involved in various physical phenomena, yet the chirality of molecular normal modes has not been well defined mathematically. Here we examine two approaches for assigning and quantifying the chirality…

介观与纳米尺度物理 · 物理学 2025-01-07 Ethan Abraham , Abraham Nitzan

We present a quantitative analysis of chiral symmetry breaking in two-flavour continuum QCD in the quenched limit. The theory is set-up at perturbative momenta, where asymptotic freedom leads to precise results. The evolution of QCD towards…

高能物理 - 唯象学 · 物理学 2015-04-01 Mario Mitter , Jan M. Pawlowski , Nils Strodthoff

It is shown that in vector-like gauge theories, such as QCD, and in the limit of a large number of colours Nc, the ordering pattern of narrow vector and axial-vector states at low energies is correlated with the size of the possible local…

高能物理 - 唯象学 · 物理学 2010-04-06 M. Knecht , E. de Rafael

We use a chiral random matrix model with 2N_f flavors to mock up the QCD Dirac spectrum at finite chemical potential. We show that the 1/N approximation breaks down in the quenched state with spontaneously broken chiral symmetry. The…

高能物理 - 唯象学 · 物理学 2016-08-15 Romuald A. Janik , Maciej A. Nowak , Gábor Papp , Ismail Zahed
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