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Recent experiments have reported nonlinear signals in topological materials up to room temperature. Here we show that this response stems from extrinsic spin-orbit contributions to \textit{both} impurity and phonon scattering. While skew…

Mesoscale and Nanoscale Physics · Physics 2025-06-18 Rhonald Burgos Atencia , Shanshan Liu , Kian Ping Loh , Dimitrie Culcer

We study the influence of boundaries on chiral effects in hot dense relativistic spinor matter in a strong magnetic field which is transverse to bounding planes. The most general set of boundary conditions ensuring the confinement of matter…

High Energy Physics - Theory · Physics 2016-10-04 Yu. A. Sitenko

A noncollinear magnet consists of the magnetic moments forming a noncollinear spin structure. Because of this structure, the Hamiltonian of magnons acquires the cubic terms. Although the cubic terms are the magnon-magnon interactions…

Mesoscale and Nanoscale Physics · Physics 2022-08-30 Naoya Arakawa

Inspired by the recent observation of the orbital Seebeck effect in alpha-quartz, we identify an intrinsic amplification mechanism for thermally generated phonon angular momentum and phonon magnetic moment in chiral insulators. We propose a…

Other Condensed Matter · Physics 2026-03-27 Hong Sun , Jinxin Zhong , Yimin Yao , Jun Zhou , Lifa Zhang

The notion that phonons can carry pseudo-angular momentum has become popular in the last decade, with recent research efforts highlighting phonon chirality, Berry curvature of phonon band structure, and the phonon Hall effect. When a phonon…

The all-temperature magnon (ATM) theory [J. Phys. Condens. Matter 21, 336003/1-14, 2009] has been used to analyze the temperature dependence of magnetization as well as the internal energy components of a mono-domain ferromagnetic solid.…

Materials Science · Physics 2023-06-30 Sambhu N. Datta

Recently, it has been predicted that the Berry curvature of electrons can produce an angular momentum for phonons. In systems with time-reversal symmetry, the direction of the phonon angular momentum is locked to the phonon wave vector.…

Mesoscale and Nanoscale Physics · Physics 2023-05-12 Selçuk Parlak , Sayandip Ghosh , Ion Garate

$A$B$_{2}$ ($A=$K, Rb, Cs) compounds crystallize in the cubic Laves phase (symmetry Fd$\bar{3}$m). The geometry of the crystal structure allows the realization of chiral phonons, which are associated with the circulation of atoms around…

Materials Science · Physics 2023-10-12 Surajit Basak , Przemysław Piekarz , Andrzej Ptok

Employing a field dependent three-momentum cut-off regularization technique, we study the phase structure and mesonic masses using the $2$-flavour Nambu-Jona Lasinio model at finite temperature and density in presence of arbitrary external…

Nuclear Theory · Physics 2019-07-10 Nilanjan Chaudhuri , Snigdha Ghosh , Sourav Sarkar , Pradip Roy

We incorporate the anomalous magnetic moment (AMM) of quarks in the framework of PNJL model to study hot and dense magnetised matter with chiral imbalance. For this purpose, the eigen energy solution of the Dirac equation is obtained in…

High Energy Physics - Phenomenology · Physics 2022-06-08 Nilanjan Chaudhuri , Arghya Mukherjee , Snigdha Ghosh , Sourav Sarkar , Pradip Roy

A generation, propagation, and transfer of phonon angular momenta are examined on thermal transport in chiral insulative and diamagnetic crystals of $\alpha$-quartz. We found that thermally-driven phonons carry chirality-dependent angular…

Materials Science · Physics 2024-01-31 Kazuki Ohe , Hiroaki Shishido , Masaki Kato , Shoyo Utsumi , Hiroyasu Matsuura , Yoshihiko Togawa

We theoretically analyze stimulated parametric down conversion as a means to produce dichroism based on the orbital angular momentum (OAM) of an incident signal field. The nonlinear interaction is shown to provide differential gain between…

Optics · Physics 2014-11-19 Joseph Lowney , Thomas Roger , Daniele Faccio , Ewan M. Wright

In a recent work, a contribution to the Nernst current of a Dirac or Weyl semimetal coming from the conformal anomaly was reported. Being originated from an anomaly - a vacuum contribution -, a non-zero transport coefficient was predicted…

Mesoscale and Nanoscale Physics · Physics 2019-06-19 Vicente Arjona , Maxim N. Chernodub , María A. H. Vozmediano

We study the characteristics of quark matter under the influence of a background magnetic field with anomalous magnetic moment (AMM) of quarks at finite temperature and quark chemical potential in the framework of Polyakov loop extended…

High Energy Physics - Phenomenology · Physics 2024-08-09 Rajkumar Mondal , Sourav Duari , Nilanjan Chaudhuri , Sourav Sarkar , Pradip Roy

Longitudinal spin Seebeck effect has been investigated for an uniaxial antiferromagnetic insulator Cr2O3, characterized by a spin-flop transition under magnetic field along the c-axis. We have found that temperature gradient applied normal…

Strongly Correlated Electrons · Physics 2016-01-06 S. Seki , T. Ideue , M. Kubota , Y. Kozuka , R. Takagi , M. Nakamura , Y. Kaneko , M. Kawasaki , Y. Tokura

The Axial Magnetic Effect is the generation of an equilibrium dissipationless energy flow of chiral fermions in the direction of the axial (chiral) magnetic field. At finite temperature the dissipationless energy transfer may be realized in…

High Energy Physics - Lattice · Physics 2014-04-23 V. Braguta , M. N. Chernodub , V. A. Goy , K. Landsteiner , A. V. Molochkov , M. I. Polikarpov

The features of phonon spectra and their effect on the vibrational heat capacity of linear chains of inert gas atoms adsorbed onto a substrate, which is the surface of nanotubes bound to a nanobundle. The influence of the substrate results…

Mesoscale and Nanoscale Physics · Physics 2025-06-26 E. V. Manzhelii , S. B. Feodosyev , I. A. Gospodarev

We discuss the effect of the quark anomalous magnetic moment (AMM) on the neutral dense quark matter under magnetic fields based on the Nambu-Jona-Lasinio (NJL) model at finite baryon density. To address its correlation with the chiral…

High Energy Physics - Phenomenology · Physics 2024-12-02 Mamiya Kawaguchi , Irfan Siddique , Mei Huang

We discuss anomalous decoherence effects at zero and finite temperatures in driven coupled quantum spin systems. By numerical simulations of the quantum master equation, it is found that the entanglement of two coupled spin qubits exhibits…

Quantum Physics · Physics 2015-06-18 Chuan-Jia Shan , Pan-Pan Wu , Wei-Wen Cheng , Ji-Bing Liu , Tang-Kun Liu

The quark anomalous magnetic moment (AMM) is dynamically generated through the spontaneous chiral symmetry breaking. It has been revealed that even though its exact form is still unknown, the quark AMM is essential to explore quark matter…

High Energy Physics - Phenomenology · Physics 2023-05-31 Mamiya Kawaguchi , Mei Huang