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The properties of nuclear matter under extreme conditions of high temperature, density and isospin-asymmetry have attracted wide attentions in recent years. At present, heavy ion reactions in combination with corresponding model simulations…

Nuclear Theory · Physics 2019-06-26 Yuliang Sun , Yongjia Wang , Qingfeng Li , Fuqiang Wang

We investigate the effect of large magnetic fields on the $2+1$ dimensional reduced-magnetohydrodynamical expansion of hot and dense nuclear matter produced in $\sqrt{s_{\rm NN}}$ = 200 GeV Au+Au collisions. For the sake of simplicity, we…

Nuclear Theory · Physics 2017-12-19 Victor Roy , Shi Pu , Luciano Rezzolla , Dirk H. Rischke

We report a novel relation between rotation and magnetic field in a charged fluid system: there is naturally a magnetic field along the direction of fluid vorticity due to the currents associated with the swirling charges. This general…

High Energy Physics - Phenomenology · Physics 2021-02-03 Xingyu Guo , Jinfeng Liao , Enke Wang

We study the event-by-event generation of flow vorticity in RHIC Au + Au collisions and LHC Pb + Pb collisions by using the HIJING model. Different definitions of the vorticity field and velocity field are considered. A variety of…

Nuclear Theory · Physics 2016-06-29 Wei-Tian Deng , Xu-Guang Huang

Magnetic field plays a crucial role in various novel phenomena in heavy-ion collisions. We solve the Maxwell equations numerically in a medium with time-dependent electric conductivity by using the Finite-Difference Time-Domain (FDTD)…

Nuclear Theory · Physics 2023-06-06 Hui Li , Xiao-Liang Xia , Xu-Guang Huang , Huan Zhong Huang

Very strong magnetic fields can arise in non-central heavy-ion collisions at ultrarelativistic energies, which may not decay quickly in a conducting plasma. We carry out relativistic magnetohydrodynamics (RMHD) simulations to study the…

High Energy Physics - Phenomenology · Physics 2017-09-11 Arpan Das , Shreyansh S. Dave , P. S. Saumia , Ajit M. Srivastava

We study the effects of a static and uniform magnetic field on the evolution of energy density fluctuations present in a medium. By numerically solving the relativistic Boltzmann-Vlasov equation within the relaxation time approximation, we…

Nuclear Theory · Physics 2023-06-01 Shreyansh S. Dave , Subrata Pal

In heavy-ion collisions, as the two nuclei pass through one another and create hot and dense matter, part of their initial angular momentum is transferred to the fireball, generating a nonzero average vorticity. Understanding heavy-ion…

Nuclear Theory · Physics 2025-10-14 Oleh Savchuk , Pawel Danielewicz , Daniel Kincses , Agnieszka Sorensen

The features of magnetic field in relativistic heavy-ion collisions are systematically studied by using a modified magnetic field model in this paper. The features of magnetic field distributions in the central point are studied in the RHIC…

High Energy Physics - Phenomenology · Physics 2014-08-28 Yang Zhong , Chunbin Yang , Xu Cai , Shengqin Feng

The magnetic fields in heavy-ion collisions are important ingredients for many interesting phenomena, such as the Chiral Magnetic Effect, Chiral Magnetic Wave, the directed flow $v_1$ of $D^0$ mesons and the splitting of the spin…

High Energy Physics - Phenomenology · Physics 2023-04-10 Anping Huang , Duan She , Shuzhe Shi , Mei Huang , Jinfeng Liao

The time-evolution and space-distribution of internal electromagnetic fields in heavy-ion reactions at beam energies between 200 and 2000 MeV/nucleon are studied within an Isospin-dependent Boltzmann-Uhling-Uhlenbeck transport model IBUU11.…

Nuclear Theory · Physics 2015-05-28 Li Ou , Bao-An Li

We study the kinematic and thermal vorticities in low-energy heavy-ion collisions by using the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model. We explore their time evolution and spatial distribution. We find that the initial…

Nuclear Theory · Physics 2020-07-01 Xian-Gai Deng , Xu-Guang Huang , Yu-Gang Ma , Song Zhang

We study the formation of fluid vorticity and the hyperon polarization in heavy-ion collisions at NICA energies in the framework of the Parton-Hadron-String Dynamic Model, taking into account both hadronic and quark-gluonic (partonic)…

Nuclear Theory · Physics 2018-06-13 E. E. Kolomeitsev , V. D. Toneev , V. Voronyuk

The hot and dense matter generated in heavy-ion collisions contains intricate vortical structure in which the local fluid vorticity can be very large. Such vorticity can polarize the spin of the produced particles. We study the…

Nuclear Theory · Physics 2019-01-23 De-Xian Wei , Wei-Tian Deng , Xu-Guang Huang

We compute the electromagnetic fields generated in relativistic heavy-ion collisions using the iEBE-VISHNU framework. We calculated the incremental drift velocity from the possible four sources of the electric force (coulomb, Lorentz,…

Nuclear Theory · Physics 2021-07-06 Tewodros Gezhagn , A. K. Chaubey

Heavy-ion collisions at center-of-mass nucleon collision energies 4.5--11.5 GeV are analyzed within the PHSD transport model. Spectator nucleons are separated, and the transfer of the initial angular momentum of colliding nuclei to the…

Nuclear Theory · Physics 2023-05-19 N. S. Tsegelnik , E. E. Kolomeitsev , V. Voronyuk

The hadron string dynamics (HSD) model is generalized to include the creation and evolution of retarded electromagnetic fields as well as the influence of the magnetic and electric fields on the quasiparticle propagation. The time-space…

Relativistic heavy-ion collisions can produce extremely strong magnetic field in the collision regions. The spatial variation features of the magnetic fields are analyzed in detail for non-central Pb - Pb collisions at LHC $\sqrt{s_{NN}}$=…

High Energy Physics - Phenomenology · Physics 2015-10-06 Yang Zhong , Chun-Bin Yang , Xu Cai , Sheng-Qin Feng

At the earliest times after a heavy-ion collision, the magnetic field created by the spectator nucleons will generate an extremely strong, albeit rapidly decreasing in time, magnetic field. The impact of this magnetic field may have…

High Energy Physics - Phenomenology · Physics 2020-04-22 Gabriele Inghirami , Mark Mace , Yuji Hirono , Luca Del Zanna , Dmitri E. Kharzeev , Marcus Bleicher

It is known that the presence of background magnetic field in cosmic plasma distorts the acoustic peaks in CMBR. This primarily results from different types of waves in the plasma with velocities depending on the angle between the magnetic…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ranjita K. Mohapatra , P. S. Saumia , Ajit M. Srivastava
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