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Related papers: Two-pole structures in QCD -- a universal phenomen…

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We review recent results on the phase structure of QCD and bulk QCD thermodynamics. In particular we discuss how universal critical scaling related to spontaneous breaking of the chiral symmetry manifests itself in recent lattice QCD…

High Energy Physics - Lattice · Physics 2017-10-11 Christian Schmidt , Sayantan Sharma

We study effective models of chiral fields and Polyakov loop expected to describe the dynamics responsible for the phase structure of two-flavor QCD at finite temperature and density. We consider chiral sector described either using linear…

High Energy Physics - Phenomenology · Physics 2011-01-20 Topi Kahara , Kimmo Tuominen

Using a minimal algebraic model for the thermodynamics of binary rod--polymer mixtures, we provide evidence for a quintuple phase equilibrium; an observation that seems to be at odds with the Gibbs phase rule for two-component systems. Our…

Soft Condensed Matter · Physics 2020-09-21 V. F. D. Peters , M. Vis , Á. González García , H. H. Wensink , R. Tuinier

We apply the Grabowska-Kaplan framework, originally proposed for lattice chiral gauge theories, to QCD. We show that the resulting theory contains a conserved and gauge invariant singlet axial current, both on the lattice and in the…

High Energy Physics - Lattice · Physics 2024-06-12 Maarten Golterman , Yigal Shamir

The topological structure of vacuum is the cornerstone of non-Abelian gauge theories describing strong and electroweak interactions within the standard model of particle physics. However, transitions between different topological sectors of…

High Energy Physics - Phenomenology · Physics 2021-02-15 Dmitri E. Kharzeev , Jinfeng Liao

The phase structure of two-flavor QCD is explored for thermal systems with finite baryon- and isospin-chemical potentials, mu_B and mu_{iso}, by using the Polyakov-loop extended Nambu--Jona-Lasinio (PNJL) model. The PNJL model with the…

High Energy Physics - Phenomenology · Physics 2010-12-24 Takahiro Sasaki , Yuji Sakai , Hiroaki Kouno , Masanobu Yahiro

The lattice simulations of $QC_2D$ with two flavors of staggered fermions and non-zero quark chemical potential $\mu_q$ have been performed. Dependencies of the Polyakov loop, chiral condensate and baryon number density on $\mu_q$ were…

High Energy Physics - Lattice · Physics 2016-02-17 V. V. Braguta , A. Yu. Kotov , A. A. Nikolaev , S. N. Valgushev

We extend to quenched QCD an earlier investigation of the chiral structure of the masses of the nucleon and the delta in lattice simulations of full QCD. Even after including the meson-loop self-energies which give rise to the leading and…

High Energy Physics - Lattice · Physics 2010-02-17 R. D. Young , D. B. Leinweber , A. W. Thomas , S. V. Wright

The anti-kaon nucleon system close to threshold is analyzed in view of the new accurate DEAR kaonic hydrogen data. The calculations are performed using chiral SU(3) effective field theory in combination with non-perturbative schemes based…

High Energy Physics - Phenomenology · Physics 2011-05-05 B. Borasoy , R. Nissler , W. Weise

Motivated by a recent experimental demonstration of a chiral edge mode in an array of spinning gyroscopes, we theoretically study the coupled gyration modes of topological magnetic solitons, vortices and magnetic bubbles, arranged as a…

Other Condensed Matter · Physics 2017-08-21 Se Kwon Kim , Yaroslav Tserkovnyak

We present a lattice QCD calculation of the S-wave interactions between the spin-1/2 doubly charmed baryons ($\Xi_{cc},\Omega_{cc}$) and Goldstone bosons ($\pi,K,\bar{K}$) using the $N_f=2+1$ CLQCD ensembles with lattice spacing $a =…

High Energy Physics - Lattice · Physics 2025-09-30 Jing-Yu Yi , Ze-Rui Liang , Liuming Liu , De-Liang Yao

We present results for the static interquark potential, light meson and baryon masses, and light pseudoscalar meson decay constants obtained from simulations of domain wall QCD with one dynamical flavour approximating the $s$ quark, and two…

We present a lattice QCD calculation of the $\Delta(1232)$ matrix elements of the axial-vector and pseudoscalar currents. The decomposition of these matrix elements into the appropriate Lorentz invariant form factors is carried out and the…

High Energy Physics - Lattice · Physics 2013-08-09 C. Alexandrou , E. B. Gregory , T. Korzec , G. Koutsou , J. W. Negele , T. Sato , A. Tsapalis

Lattice topological charge associated with Ginsparg-Wilson fermions exhibits generic topological stability over quantum ensemble of configurations contributing to the QCD path integral. Moreover, the underlying chiral symmetry leads to the…

High Energy Physics - Lattice · Physics 2008-11-26 I. Horvath , S. J. Dong , T. Draper , F. X. Lee , K. F. Liu , N. Mathur , J. B. Zhang , H. B. Thacker

Inspired by the recent discovery of the $\Xi_{cc}^{++}$ by the LHCb Collaboration, we study the magnetic moments of the spin-1/2 doubly charmed baryons up to the next-to-leading order in covariant baryon chiral perturbation theory with the…

High Energy Physics - Phenomenology · Physics 2018-08-09 Ming-Zhu Liu , Yang Xiao , Li-Sheng Geng

The axial vector meson $K_1(1270)$ was studied within the chiral unitary approach, where it was shown that it has a two-pole structure. We reanalyze the high-statistics WA3 experiment $K^- p\to K^-\pi^+\pi^- p$ at 63 GeV, which established…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. S. Geng , E. Oset , L. Roca , J. A. Oller

The light-quark sector of the Lambda(1405) baryon is examined in the context of the recent discovery of a dominant antikaon-nucleon composition at low quark masses. Further evidence for this interpretation of the Lambda(1405) is presented,…

High Energy Physics - Lattice · Physics 2017-03-30 Jonathan M. M. Hall , Waseem Kamleh , Derek B. Leinweber , Benjamin J. Menadue , Benjamin J. Owen , Anthony W. Thomas

We measure the topological charge of the gauge configurations generated by lattice simulations of 2 flavors QCD on a $ 16^3 \times 32 $ lattice, with Optimal Domain-Wall Fermion (ODWF) at $ N_s = 16 $ and plaquette gauge action at $ \beta =…

High Energy Physics - Lattice · Physics 2011-02-16 Tung-Han Hsieh , Ting-Wai Chiu , Yao-Yuan Mao

For two-dimensional single-valley quadratic band crossing systems with weak repulsive electron-electron interactions, we show that upon introducing a chemical potential, particle-hole order is suppressed and superconductivity becomes the…

Superconductivity · Physics 2015-04-21 Kelly Ann Pawlak , James M. Murray , Oskar Vafek

We investigate baryon-baryon (BB) interactions in the 3-flavor full QCD simulations with degenerate quark masses for all flavors. The BB potentials in the orbital S-wave are extracted from the Nambu-Bethe-Salpeter wave functions measured on…

High Energy Physics - Lattice · Physics 2010-11-09 Takashi Inoue , for HAL QCD Collaboration