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The mean spin polarization vector of spin 1/2 particles in a relativistic fluid at local thermal equilibrium (LTE) in different pseudogauges (PGs), i.e., with different choices for the decomposition of orbital and spin angular momentum, is…

核理论 · 物理学 2022-04-26 M. Buzzegoli

Spin-valve structures are usually associated with the ability to modify the resistance of electrical currents. We here demonstrate a profoundly different effect of a spin-valve. In combination with a topological insulator and…

超导电性 · 物理学 2018-10-10 Morten Amundsen , Henning G. Hugdal , Asle Sudbø , Jacob Linder

The Chiral Magnetic Effect (CME) is the phenomenon of electric charge separation along the external magnetic field that is induced by the chirality imbalance. The CME is a macroscopic quantum effect - it is a manifestation of the chiral…

高能物理 - 唯象学 · 物理学 2014-03-05 Dmitri E. Kharzeev

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

核理论 · 物理学 2023-01-18 Zuo-tang Liang

We calculate several correlation functions and distribution functions of dynamical variables for the gauge glass and the Villain model using the spin wave approximation and the gauge transformation. The results show that the spin wave…

无序系统与神经网络 · 物理学 2009-11-07 Toshiyuki Hamasaki , Hidetoshi Nishimori

Fermions become polarized in a vorticular fluid due to spin-vorticity coupling. Such a polarization can be calculated from the Wigner function in a quantum kinetic approach. Extending previous results for chiral fermions, we derive the…

核理论 · 物理学 2016-08-24 Ren-hong Fang , Long-gang Pang , Qun Wang , Xin-nian Wang

Quarks produced in the early stage of non-central heavy-ion collisions could develop a global spin polarization along the opposite direction of the reaction plane due to the spin-orbital coupling via parton interaction in a medium that has…

核理论 · 物理学 2013-05-29 Xu-Guang Huang , Pasi Huovinen , Xin-Nian Wang

The chiral magnetic effect (CME) in quantum chromodynamics (QCD) refers to a charge separation (an electric current) of chirality imbalanced quarks generated along an external strong magnetic field. The chirality imbalance results from…

核实验 · 物理学 2019-06-28 Jie Zhao , Fuqiang Wang

The gapless fermionic excitations in superfluid 3He-A have a "relativistic" spectrum close to the gap nodes. They are the counterpart of the chiral particles (left-handed and right-handed) in high energy physics above the electroweak…

凝聚态物理 · 物理学 2009-10-31 G. E. Volovik

The (3+1)D relativistic hydrodynamics with chiral anomaly is used to obtain a quantitative description of the chiral magnetic effect (CME) in heavy-ion collisions. We find that the charge-dependent hadron azimuthal correlations are…

高能物理 - 唯象学 · 物理学 2015-08-28 Yuji Hirono , Tetsufumi Hirano , Dmitri E. Kharzeev

We review derivations of the chiral magnetic effect (ChME) in hydrodynamic approximation. The reader is assumed to be familiar with the basics of the effect. The main challenge now is to account for the strong interactions between the…

高能物理 - 唯象学 · 物理学 2015-06-11 Valentin I. Zakharov

Gauge fields provide the fundamental interactions in the Standard Model of particle physics. Gauge field configurations with nontrivial topological windings are known to play crucial roles in many important phenomena, from…

高能物理 - 唯象学 · 物理学 2023-04-10 Anping Huang , Shuzhe Shi , Shu Lin , Xingyu Guo , Jinfeng Liao

Hydrodynamics with both vector and axial currents is under study within a holographic model, consisting of canonical $U(1)_V\times U(1)_A$ gauge fields in an asymptotically AdS$_5$ black brane. When gravitational back-reaction is taken into…

高能物理 - 理论 · 物理学 2018-09-28 Yanyan Bu , Rong-Gen Cai , Qing Yang , Yun-Long Zhang

The spin Hall effect (SHE), which converts a charge current into a transverse spin current, has long been believed to be a phenomenon induced by the spin--orbit coupling. Here, we propose an alternative mechanism to realize the intrinsic…

材料科学 · 物理学 2021-06-22 Yang Zhang , Jakub Zelezny , Yan Sun , Jeroen van den Brink , Binghai Yan

Chiral active fluids are materials composed of self-spinning rotors that continuously inject energy and angular momentum at the microscale. Out-of-equilibrium fluids with active-rotor constituents have been experimentally realized using…

软凝聚态物质 · 物理学 2017-11-22 Debarghya Banerjee , Anton Souslov , Alexander G. Abanov , Vincenzo Vitelli

We extend our prior results on the worldline computation of the axial vector-vector-vector (AVV) triangle anomaly in polarized deeply inelastic scattering (DIS) to the finite mass case by computing in addition the pseudoscalar-vector-vector…

高能物理 - 唯象学 · 物理学 2025-01-23 Andrey Tarasov , Raju Venugopalan

Recent experiments on ultracold atoms in optical lattices have synthesized a variety of tunable bands with degenerate double-well structures in momentum space. Such degeneracies in the single particle spectrum strongly enhance quantum…

量子气体 · 物理学 2014-10-13 Xiaopeng Li , Stefan S. Natu , Arun Paramekanti , S. Das Sarma

We outline a novel chiral kinetic theory framework for systematic computations of the Chiral Magnetic Effect (CME) in ultrarelativistic heavy-ion collisions. The real part of the fermion determinant in the QCD effective action is expressed…

高能物理 - 唯象学 · 物理学 2018-03-28 Niklas Mueller , Raju Venugopalan

Relativistic hydrodynamics has been quite successful in describing the properties of strongly-interacting matter produced in heavy-ion collision experiments. Recently, there has been a significant advancement in this field to explain the…

高能物理 - 唯象学 · 物理学 2023-10-03 Rajeev Singh

A singular configuration of external static magnetic field in the form of a pointlike vortex polarizes the vacuum of quantized massless spinor field in 2+1-dimensional space-time. This results in an analogue of the Bohm-Aharonov effect: the…

高能物理 - 理论 · 物理学 2015-06-26 Yurii A. Sitenko