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Based on a generalized side-jump formalism for massless chiral fermions, which naturally takes into account the spin-orbit coupling in the scattering of two chiral fermions and the chiral vortical effect in a rotating chiral fermion matter,…

Nuclear Theory · Physics 2021-02-03 Shuai Y. F. Liu , Yifeng Sun , Che Ming Ko

The relaxation time of weakly interacting classical spins is calculated by introducing the averages of the local dipolar field, obtained by thermodynamic perturbation theory, in a rigorous expression for the single-spin thermoactivation…

Materials Science · Physics 2009-11-07 P. E. Jönsson , J. L. Garcia-Palacios

In non-central high energy heavy ion collisions the colliding system posses a huge orbital angular momentum in the direction opposite to the normal of the reaction plane. Due to the spin-orbit coupling in strong interaction, such huge…

Nuclear Theory · Physics 2021-12-21 Jian-Hua Gao , Zuo-Tang Liang , Qun Wang , Xin-Nian Wang

Production of heavy quark antiquark systems in high energy heavy ion collisions must involve relativistic momentum components in a quantum mechanical approach. If the color forces are screened in a deconfining medium, one can define the…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. L. Thews

In response to recent proton spin relaxation-time measurements on NiCu(pba)(H$_2$O)$_3$$\cdot$2H$_2$O with ${pba}=1,3{-propylenebis(oxamato)}$, which is an excellent one-dimensional ferrimagnetic Heisenberg model system of spin-$(1,{1/2})$,…

Strongly Correlated Electrons · Physics 2009-10-31 Shoji Yamamoto

We review the calculation of suppression of Chiral Separational and Chiral Vortical Effects for strange quarks (which allegedly yield spin polarization of $\Lambda/\bar\Lambda$-hyperons in peripheral Heavy-Ion Collisions) by the…

High Energy Physics - Phenomenology · Physics 2024-11-21 Ruslan A. Abramchuk

Quark rotation asymmetry is proposed in calculating baryon magnetic moments. After taking into account interactions enforced on constituent quarks, assumed to be linear and Coulomb potentials, respectively, and the quark rotation asymmetry,…

Nuclear Theory · Physics 2007-05-23 W. Li , X. Cai

The gluon collision process that creates a heavy-quark-antiquark pair with small relative momentum and large transverse momentum predicts at leading-order in the QCD coupling constant that the transverse polarization of the pair should…

High Energy Physics - Phenomenology · Physics 2010-04-14 Eric Braaten , Daekyoung Kang , Jungil Lee , Chaehyun Yu

The vacuum parton creation in quickly varying external fields is studied at the time scale of order 1 fm/$c$ typical for the quark-gluon plasma formation and thermalization. To describe the pre-equilibrium evolution of the system the…

Nuclear Theory · Physics 2009-11-10 A. V. Prozorkevich , S. A. Smolyansky , V. V. Skokov , E. E. Zabrodin

We calculate the quarkonium formation time in relativistic heavy-ion collisions from the space-time correlator of heavy quark vector currents in a hydrodynamics background with the initial nonequilibrium stage expanding only in the…

Nuclear Theory · Physics 2015-06-11 Taesoo Song , Che Ming Ko , Su Houng Lee

The quark-hadron transition that happens in ultra-relativistic heavy-ion collisions is expected to be influenced by the effects of rotation and magnetic field, both present due to the geometry of a generic non-head-on impact. We augment the…

High Energy Physics - Phenomenology · Physics 2023-10-12 Gaurav Mukherjee , D. Dutta , D. K. Mishra

We extend a previously constructed T-matrix approach to the quark-gluon plasma (QGP) to include the effects of spin-dependent interactions between partons. Following earlier work within the relativistic quark model, the spin-dependent…

High Energy Physics - Phenomenology · Physics 2023-08-10 Zhanduo Tang , Ralf Rapp

We consider a heavy quark-antiquark $(q\bar{q})$ pair as a heavy meson in the medium composed of light quarks and gluons. By using the AdS/CFT correspondence, the properties of this system are investigated. In particular, we study the…

High Energy Physics - Theory · Physics 2015-06-04 K. Bitaghsir Fadafan , E. Azimfard

Charm- and bottom-quark rescattering in a Quark-Gluon Plasma (QGP) is investigated with the objective of assessing the approach towards thermalization. Employing a Fokker-Planck equation to approximate the collision integral of the…

Nuclear Theory · Physics 2010-04-06 H. van Hees , R. Rapp

A previously constructed $T$-matrix approach for studying the quark-gluon plasma (QGP) is improved by incorporating spin-dependent interactions between partons. These interactions arise from the relativistic corrections to the Cornell…

Nuclear Theory · Physics 2023-08-01 Zhanduo Tang , Ralf Rapp

We consider heavy quark interactions in quenched and unquenched lattice QCD. In a region just above the deconfinement point, non-Abelian gluon polarization leads to a strong increase in the binding. Comparing quark-antiquark and quark-quark…

High Energy Physics - Phenomenology · Physics 2010-01-15 Helmut Satz

The physics program of ultra-relativistic heavy-ion collisions at the Large Hadron Collider (LHC) and Relativistic Heavy-Ion Collider (RHIC) has brought a unique insight into the hot and dense QCD matter created in such collisions, the…

High Energy Physics - Phenomenology · Physics 2021-07-14 Liliana Apolinário , André Cordeiro , Korinna Zapp

We investigate the impact of the magnetic field generated by colliding nuclei on heavy quark-antiquark interactions and heavy quark dynamics in the quark-gluon plasma (QGP). By means of hard-thermal-loop resummation technique combined with…

High Energy Physics - Phenomenology · Physics 2024-04-09 He-Xia Zhang , Enke Wang

We investigated the effects of nonequilibrium and collision terms on the deconfinement phase transition of an expanding quark system in Friedberg-Lee model in relaxation time approximation. By calculating the effective quark potential, the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Zhenwei Yang , Pengfei Zhuang

We have studied the viscous properties as well as the Bjorken expansion of a rotating QGP medium. In the noncentral events of heavy-ion collisions, the produced medium can carry a finite angular momentum with a finite range of angular…

High Energy Physics - Phenomenology · Physics 2025-10-10 Shubhalaxmi Rath , Nicolás A. Neill