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We study the magnetized strangelets in the baryon density-dependent quark mass model, including the effects of both confinement and lead-order perturbation interactions. The properties of magnetized strangelets are investigated under the…

High Energy Physics - Phenomenology · Physics 2024-09-18 Huai-Min Chen , Xiao-Wei Li , Cheng-Jun Xia , Jing-Tao Wang , Guang-Xiong Peng

Two aspects of quark matter at high density are addressed: one is color superconductivity and the other is ferromagnetism. We are mainly concerned with the latter and its relation to color superconductivity, which we call "color magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 Toshitaka Tatsumi , Tomoyuki Maruyama , Eiji Nakano

In this paper we present a detailed formulation for a recently proposed effective field theory to describe the nonperturbative QCD dynamics of heavy mesons. This effective theory incorporates with heavy quark symmetry (HQS) and the heavy…

High Energy Physics - Phenomenology · Physics 2009-10-31 Hai-Yang Cheng , Chi-Yee Cheung , Wei-Min Zhang

Magnetic properties of quark matter and its relation to the microscopic origin of the magnetic field observed in compact stars are studied. Spontaneous spin polarization appears in high-density region due to the Fock exchange term, which…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Tatsumi , E. Nakano , K. Nawa

In this work the susceptibility coefficients of the strange and non-strange quark number of second and fourth order are presented. The results at zero baryonchemical potential are obtained using a well tested chiral effective model…

High Energy Physics - Phenomenology · Physics 2014-05-27 Philip Rau , Jan Steinheimer , Stefan Schramm , Horst Stöcker

The aim of the present work is to investigate the effects of strong magnetic fields on the hadron-quark phase transition point at zero temperature. To describe the hadronic phase, a relativistic mean field (RMF) model is used and to…

Nuclear Theory · Physics 2021-07-15 Betânia C. T. Backes , Kauan D. Marquez , Débora P. Menezes

We have pointed out the possibility of quantum Hall effect or quantum patterns of transportation in a degenerate strongly magnetized quark matter, which might be expected inside a highly dense compact star. An anisotropic pattern of…

High Energy Physics - Phenomenology · Physics 2021-03-30 Jayanta Dey , Aritra Bandyopadhyay , Akash Gupta , Naman Pujari , Sabyasachi Ghosh

Magnetic catalysis is the enhancement of a condensate due to the presence of an external magnetic field. Magnetic catalysis at $T=0$ is a robust phenomenon in low-energy theories and models of QCD as well as in lattice simulations. We…

High Energy Physics - Phenomenology · Physics 2021-06-08 Jens O. Andersen

We briefly review how nonrelativistic effective field theories give us a definition of the QCD potentials and a coherent field theory derived quantum mechanical scheme to calculate the properties of bound states made by two or more heavy…

High Energy Physics - Phenomenology · Physics 2009-01-08 Nora Brambilla

The thermodynamic properties of high temperature and high density QCD-matter are studied using the Chiral SU(3)-flavor parity-doublet Polyakov-loop quark-hadron mean-field model, CMF. The CMF model provides a proper description of lattice…

High Energy Physics - Phenomenology · Physics 2021-02-03 Anton Motornenko , Jan Steinheimer , Volodymyr Vovchenko , Stefan Schramm , Horst Stoecker

Baryonic correlation functions are calculated within an effective chiral quark model motivated by the instanton liquid model of QCD. Using a flavour SU(3) symmetry for the local four-quark interaction and taking rotational zero modes for…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. Blotz , M. Praszalowicz , K. Goeke

We propose an effective field theory to describe hadrons with two heavy quarks without any assumption on the typical distance between the heavy quarks with respect to the typical hadronic scale. The construction is based on Non-Relativistic…

High Energy Physics - Phenomenology · Physics 2024-11-11 Joan Soto , Jaume Tarrús Castellà

Heavy multi-quark potential in the SU(N) color group using hard-wall AdS/QCD at both zero and finite temperature is studied. A Cornell-like potential is obtained for baryons and other exotic configurations and compared with those in the…

High Energy Physics - Theory · Physics 2008-12-18 Wen-Yu Wen

We investigated the non-leptonic weak interaction in magnetic field. We discussed an improvement of previous method to analytical work out the rate for weak field case.Our result easily goes over to field-free limit.Then we calculated the…

Astrophysics · Physics 2007-05-23 Zheng Xiaoping , Zhou Xia , Liu Xuewen

The aim of these lectures is to give a self-contained introduction to nonrelativistic potential models, to their formulation as well as to their possible applications. At the price of some lack of (in a mathematical sense) rigorous…

High Energy Physics - Phenomenology · Physics 2007-05-23 Wolfgang Lucha , Franz F. Schöberl

We study the heavy-heavy-light quark ($QQq$) system in a non-relativistic potential model, and investigate the quark motional effect on the inter-two-quark potential in baryons. We adopt the Hamiltonian with the static three-quark potential…

High Energy Physics - Phenomenology · Physics 2008-11-26 Arata Yamamoto , Hideo Suganuma

We review some recent developments on non-relativistic effective field theories for heavy quark-antiquark systems and how they can bring a well founded connection between QCD and potential models.

High Energy Physics - Phenomenology · Physics 2009-10-31 Antonio Pineda

Potential non-relativistic QCD provides a convenient framework to study the three heavy-quark system. We have studied its symmetries under exchange of the heavy quarks and determined the leading ultrasoft contributions to the singlet static…

High Energy Physics - Phenomenology · Physics 2013-01-18 Felix Karbstein

The responses of quark condensates to the chemical potential, as a function of temperature T and chemical potential \mu, are calculated within the Nambu--Jona-Lasinio (NJL) model. We compare our results with those from the recent lattice…

High Energy Physics - Lattice · Physics 2011-04-20 O. Miyamura , S. Choe , Y. Liu , T. Takaishi , A. Nakamura

We discuss progress in understanding the light and heavy quark excited hadron spectrum from Coulomb gauge QCD. For light quark systems we highlight the insensitivity to spontaneous chiral symmetry breaking, which predicts Wigner…

High Energy Physics - Phenomenology · Physics 2010-12-30 Felipe J. Llanes-Estrada , Stephen R. Cotanch , Tim van Cauteren , Juan M. Torres Rincon , Pedro Bicudo , Marco Cardoso