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It has been proposed that the $\Lambda$ and $\overline{\Lambda}$ polarizations observed in heavy-ion collisions are due to the interaction between quark spin and thermal vorticity. In this work we report on a computation of the relaxation…

High Energy Physics - Phenomenology · Physics 2020-09-23 Alejandro Ayala , David de la Cruz , L. A. Hernández , S. Hernández-Ortíz , Jordi Salinas

Using the expansion of Zubarev's density operator, we develop a linear response approach to study various spin physics in a locally equilibrated medium, particularly focusing on various polarization phenomena in heavy-ion collisions.…

Nuclear Theory · Physics 2025-01-30 Youyu Li , Shuai Y. F. Liu

We have studied the spin dynamics of a high-mobility two-dimensional electron system in a GaAs/Al_{0.3}Ga_{0.7}As single quantum well by time-resolved Faraday rotation and time-resolved Kerr rotation in dependence on the initial degree of…

Materials Science · Physics 2011-11-10 D. Stich , J. Zhou , T. Korn , R. Schulz , D. Schuh , W. Wegscheider , M. W. Wu , C. Schüller

The distribution of bipartite entanglement in a mixed spin-(1/2,1) Heisenberg tetramer composed from two spin-1/2 and two spin-1 entities is investigated in detail in presence of an external magnetic field. Four different negativities…

Quantum Physics · Physics 2023-11-30 Hana Vargová , Jozef Strečka

We apply the classical mapping technique developed recently by Dharma-wardana and Perrot for a study of the uniform two-dimensional electron system at arbitrary degeneracy and spin-polarization. Pair distribution functions, structure…

Strongly Correlated Electrons · Physics 2009-11-10 Nguyen Quoc Khanh , Hiroo Totsuji

Using the Berezin-Marinov pseudoclassical formulation of spin particle we propose a classical model of spin noncommutativity. In the nonrelativistic case, the Poisson brackets between the coordinates are proportional to the spin angular…

High Energy Physics - Theory · Physics 2010-05-12 M. Gomes , V. G. Kupriyanov , A. J. da Silva

Chirality-induced spin selectivity (CISS) describes how chiral molecules and materials generate spin polarization even at thermal equilibrium. This observation has challenged established principles of microscopic reversibility and Onsager…

Strongly Correlated Electrons · Physics 2025-10-29 Pius M. Theiler , Matthew C. Beard

This work aims to study theoretically the electron-proton scattering for initially spin-polarized electrons in the presence of a circularly polarized electromagnetic field. Using the first Born approximation and the Dirac-Volkov states for…

High Energy Physics - Phenomenology · Physics 2022-07-13 I. Dahiri , M. Baouahi , M. Jakha , S. Mouslih , B. Manaut , S. Taj

We present a quantum kinetic theory for spin-$1/2$ particles, including the spin-orbit interaction, retaining particle dispersive effects to all orders in $\hbar$, based on a gauge-invariant Wigner transformation. Compared to previous…

Plasma Physics · Physics 2023-02-23 Robin Ekman , Haidar Al-Naseri , Jens Zamanian , Gert Brodin

At each of the boundaries of the two-dimensional (2D) rectangular conductor parallel to the electric current there arises a stripe with an electric field transverse to the current and a 100% electron spin polarization. The two stripes have…

Mesoscale and Nanoscale Physics · Physics 2011-07-18 Y. B. Lyanda-Geller

We carry out extensive direct path integral Monte Carlo (PIMC) simulations of the uniform electron gas (UEG) at finite temperature for different values of the spin-polarization $\xi$. This allows us to unambiguously quantify the impact of…

Computational Physics · Physics 2021-12-01 Tobias Dornheim , Jan Vorberger , Burkhard Militzer , Zhandos A. Moldabekov

Nonlinear spin polarization occurring in the second order of driving electric current is the dominant source of nonequilibrium magnetization in centrosymmetric or weakly noncentrosymmetric nonmagnetic materials, and induces nonlinear…

Mesoscale and Nanoscale Physics · Physics 2024-03-08 Ruda Guo , Yue-Xin Huang , Xiaoxin Yang , Yi Liu , Cong Xiao , Zhe Yuan

Proposing a general formulism in terms of local coordinates representing the tilting of the ligands' octahedra, we evaluate the electric polarization in a chain of transition metal ions with unpolar octahedron rotation. We find the orbital…

Strongly Correlated Electrons · Physics 2015-06-16 Shan Zhu , You-Quan Li

We investigate the spin alignment of vector mesons arising from locally polarized quarks and anti-quarks (local spin alignment) in heavy-ion collisions. We find that $\rho_{00}\neq 1/3$ does not necessarily signal the global polarization of…

Nuclear Theory · Physics 2021-04-30 Xiao-Liang Xia , Hui Li , Xu-Guang Huang , Huan Zhong Huang

Recent progress in the formulation of relativistic hydrodynamics for particles with spin one-half is reviewed. We start with general arguments advising introduction of a tensor spin chemical potential that plays a role of the Lagrange…

Nuclear Theory · Physics 2019-09-09 Wojciech Florkowski , Radoslaw Ryblewski , Avdhesh Kumar

Large heat currents are obtained in Co/Cu/Co spin valves positioned at the middle of Cu nanowires. The second harmonic voltage response to an applied current is used to investigate the effect of the heat current on the switching of the spin…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 Haiming Yu , Simon Granville , Dapeng Yu , Jean-Philippe Ansermet

In this paper, the Cherenkov radiation process is investigated in the frame of the Quantum Field Theory, both for the spinless and spin-1/2 charged particles. In the latter case, the polarization density matrix technique was used to account…

High Energy Physics - Phenomenology · Physics 2015-11-18 Stanislav Iablokov

Thermoelectric effects have been applied to power generators and temperature sensors that convert waste heat into electricity. The effects, however, have been limited to electrons to occur, and inevitably disappear at low temperatures due…

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…

Nuclear Theory · Physics 2016-08-24 Ren-hong Fang , Long-gang Pang , Qun Wang , Xin-nian Wang

Spin evolution opened a large field in quantum plasma research. The spin waves in plasmas were considered among new phenomena considered in spin-1/2 quantum plasmas. The spin density evolution equation found by means of the many-particle…

Plasma Physics · Physics 2015-10-14 Pavel A. Andreev , L. S. Kuz'menkov