中文
相关论文

相关论文: Abnormal Phonon Angular Momentum due to Off-diagon…

200 篇论文

Circularly polarized phonons offer a new route for mediating angular momentum in solids. However, controlling phonon angular momentum without altering the material's structure or composition remains challenging. Here, we demonstrate the…

材料科学 · 物理学 2025-06-16 Fangliang Wu , Jing Zhou , Song Bao , Liangyue Li , Jinsheng Wen , Yuan Wan , Qi Zhang

At the low energy, {\sl hadronic}, scale we calculate Orbital Angular Momentum (OAM) twist-two parton distributions for the relativistic MIT bag model and for non-relativistic quark models. We reach the scale of the data by leading order…

高能物理 - 唯象学 · 物理学 2007-05-23 S. Scopetta , V. Vento

Phonons in chiral crystal structures can be circularly polarized, making them chiral. Chiral phonons carry angular momentum, which is observable in heat currents, and, via coupling to electron spin, in spin currents. Two-dimensional (2D)…

材料科学 · 物理学 2026-04-28 Mike Pols , Geert Brocks , Sofía Calero , Shuxia Tao

Raman spectra from silicon nanostructures, recorded using excitation laser power density of 1.0 kW/cm^2, is employed here to reveal the dominance of thermal effects at temperatures higher than the room temperature. Room temperature Raman…

介观与纳米尺度物理 · 物理学 2012-01-25 Rajesh Kumar , Vivek Kumar , A. K. Shukla

The interaction between light's angular momentum (AM) and material systems has unlocked new avenues in structured photonics, including in magneto-optical (MO) materials. While spin angular momentum (SAM) effects in MO systems are…

光学 · 物理学 2025-07-04 Seth Nelson , Cong Yu , Daniel Watson , Shahrzad Ramtinfard , Miguel Levy

The thermal contribution to the chiral vortical effect is believed to be related to the axial anomaly in external gravitational fields. We use the universality of the spin-gravity interaction to extend this idea to a wider set of phenomena.…

高能物理 - 理论 · 物理学 2017-08-30 Artur Avkhadiev , Andrey V. Sadofyev

Non-Hermiticity and chirality are two fundamental properties known to give rise to various intriguing phenomena. However, the interplay between these properties has been rarely explored. In this work, we bridge this gap by introducing an…

量子物理 · 物理学 2024-11-26 Haowei Xu , Guoqing Wang , Changhao Li , Hao Tang , Paola Cappellaro , Ju Li

We predict a non-thermal magneto-optical effect for magnetic insulators subject to intense light carrying orbital angular momentum (OAM). Using a classical approach to second harmonic generation in non-linear media with specific symmetry…

介观与纳米尺度物理 · 物理学 2014-10-17 Thomas Bose , Jamal Berakdar

We propose a mechanism of current-induced phonon angular momentum, which we call phonon Edelstein effect. We investigate this effect in three-dimensional chiral metals with spin-orbit coupling and chiral phonons, and obtain an analytical…

介观与纳米尺度物理 · 物理学 2025-10-13 Takehito Yokoyama

We present a theory of the spin Seebeck effect driven by subthermal non-local phonon heat transfer and spectral non-uniform temperature distribution. The theory explains the non-local behavior of the effect arising from the fact that…

介观与纳米尺度物理 · 物理学 2015-06-12 K. S. Tikhonov , J. Sinova , A. M. Finkel'stein

In this work, we consider the effect of a constant anomalous magnetic moment (AMM) of quarks in the SU(2) Nambu--Jona-Lasinio model in the mean field approximation. To this end, we use the Schwinger {\it ansatz}, which represents a linear…

高能物理 - 唯象学 · 物理学 2022-08-24 Ricardo L. S. Farias , William R. Tavares , Rodrigo M. Nunes , Sidney S. Avancini

Torsional strain in Weyl semimetals excites a unidirectional chiral density wave propagating in the direction of the torsional vector. This gapless excitation, named the chiral sound wave, is generated by a particular realization of the…

介观与纳米尺度物理 · 物理学 2020-12-24 Matteo Baggioli , Maxim N. Chernodub , Karl Landsteiner , Maria A. H. Vozmediano

We propose an orbital magnetothermal effect wherein a temperature gradient generates an orbital magnetization (OM) for Bloch electrons, and we present a unified theory for electrically and thermally induced OM, valid for both metals and…

介观与纳米尺度物理 · 物理学 2021-01-13 Cong Xiao , Huiying Liu , Jianzhou Zhao , Shengyuan A. Yang , Qian Niu

The spin momentum non-orthogonality in 3D topological insulators leads to modification of the spin texture and brings in an out-of-plane spin polarization component. Apart from spin texture, the anomalous thermoelectric properties of these…

介观与纳米尺度物理 · 物理学 2017-11-07 Madhumita Saha , Debashree Chowdhury

A Dirac electron field is quantized in the background of a Dirac magnetic monopole, and the phenomenon of induced quantum numbers in this system is analyzed. We show that, in addition to electric charge, also squares of orbital angular…

高能物理 - 理论 · 物理学 2008-11-26 Yu. A. Sitenko , A. V. Solovyov , N. D. Vlasii

The effect of quark anomalous magnetic moment (AMM) to chiral restoration and deconfinement phase transitions under magnetic fields is investigated in a Pauli-Villars regularized PNJL model. A linear-in-$B$ term for quark anomalous magnetic…

高能物理 - 唯象学 · 物理学 2020-12-29 Jie Mei , Shijun Mao

Circularly polarized phonons conventionally carry an angular momentum and a magnetic moment arising from circular motions of the atoms. Here, we present three anomalous cases that lead to phonon magnetic moments, which cannot be described…

材料科学 · 物理学 2026-02-24 Swati Chaudhary , Carl P. Romao , Dominik M. Juraschek

We show that the resonant coupling of phonons and magnons can be exploited to generate spin currents at room temperature. Surface acoustic wave (SAW) pulses with a frequency of 1.55 GHz and duration of 300 ns provide coherent elastic waves…

材料科学 · 物理学 2013-10-30 M. Weiler , H. Huebl , F. S. Goerg , F. D. Czeschka , R. Gross , S. T. B. Goennenwein

The anomalous magnetic moment of the muon displays a $4.2\sigma$ tension with the Standard-Model prediction, if $e^+e^-\to \text{hadrons}$ data are used for hadronic vacuum polarization. In these proceedings we review possible explanations…

高能物理 - 唯象学 · 物理学 2022-07-06 Andreas Crivellin , Martin Hoferichter

Magnon-polarons, a type of hybridized excitations between magnons and phonons, were first reported in yttrium iron garnet as anomalies in the spin Seebeck effect responses. Here we report an observation of antiferromagnetic (AFM)…