Results 41 to 50 of about 1,087,641 (396)

Dyson-Schwinger Equation and Quantum Phase Transitions in Massless QCD [PDF]

open access: yes, 2006
We study the stability of the highest symmetric solution (Wigner-solution) of Dyson-Schwinger equations in chiral limit and at zero temperature. Our results confirm that if the chemical potential is not very large, the QCD vacuum is in the chiral ...
Alkofer   +17 more
core   +3 more sources

Confinement versus Chiral Symmetry [PDF]

open access: yesPhysical Review Letters, 2004
RevTeX 4, 4 pages, 1 eps figure, version to appear in ...
Mocsy A., Sannino F., Tuominen K.
openaire   +5 more sources

Heavy–light mesons in chiral AdS/QCD

open access: yesPhysics Letters B, 2017
We discuss a minimal holographic model for the description of heavy–light and light mesons with chiral symmetry, defined in a slab of AdS space. The model consists of a pair of chiral Yang–Mills and tachyon fields with specific boundary conditions that ...
Yizhuang Liu, Ismail Zahed
doaj   +1 more source

CHIRAL SYMMETRY AND PENTAQUARKS [PDF]

open access: yesPentaquark 04, 2005
Spontaneous chiral symmetry breaking, mesons and baryons are illustrated in the language of the Dirac theory. Various forces acting between quarks inside baryons are discussed. I explain why the naive quark models typically overestimate pentaquark masses by some 500 MeV and why in the fully relativistic approach to baryons pentaquarks turn out to be ...
openaire   +3 more sources

Minimally doubled fermions and spontaneous chiral symmetry breaking

open access: yesEPJ Web of Conferences, 2018
Chiral symmetry breaking in massless QCD is a very important feature in the current understanding of low energy physics. Low - lying Dirac modes are suitable to help us understand the spontaneous chiral symmetry breaking, since the formation of a non ...
Osmanaj (Zeqirllari) Rudina   +1 more
doaj   +1 more source

Bulk-boundary correspondence in a non-Hermitian system in one dimension with chiral inversion symmetry [PDF]

open access: yesPhysical review B, 2018
Bulk-boundary correspondence is fundamental and important in topological physics; however, it is invalid in certain non-Hermitian systems. Here we report that the way of non-Hermiticity appearance may alter the system topology, induce a topological phase
L. Jin, Z. Song
semanticscholar   +1 more source

Toroidal electric dipole enabled chiral surface lattice resonances in stereo propeller metasurfaces

open access: yesAPL Photonics, 2023
Surface lattice resonances (SLRs) are the coherent collective interactions between periodically arranged nanoparticles, which are generally considered to be formed by the resonant electric dipole, magnetic dipole, or electric quadrupole moments of a ...
Qinglan Ling   +6 more
doaj   +1 more source

The masses of hadrons in the chiral symmetry restored vacuum [PDF]

open access: yesPhys. Rev. D 105, 014014 (2022), 2021
We calculate the masses of the vector and axial-vector mesons as well as the nucleon and the delta resonance in the chiral symmetry restored vacuum. This is accomplished by separating the quark operators appearing in the QCD sum rules for these hadrons into the chiral symmetric and symmetry breaking parts depending on the contributions of the fermion ...
arxiv   +1 more source

Chiral symmetry on the lattice [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 1995
Eleven pages, uuencoded compressed tar file. Contribution to Lat94, 27 Sep -- 1 Oct 1994, Bielefeld, Germany.
openaire   +3 more sources

Chiral Structure of Baryon and Scalar Tetraquark Currents

open access: yesEPJ Web of Conferences, 2014
We investigate chiral properties of local fields of baryons consisting of three quarks with flavor SU(3) symmetry. We construct explicitly independent local threequark fields belonging to definite Lorentz and flavor representations.
Chen Hua-Xing   +2 more
doaj   +1 more source

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