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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…

High Energy Physics - Phenomenology · Physics 2022-07-06 Andreas Crivellin , Martin Hoferichter

The interplay of spin and lattice fluctuations in two-dimensional magnets without inversion symmetry is investigated. We find a general form for the magnetoelastic coupling between magnons and existing chiral phonons based on the symmetries…

Mesoscale and Nanoscale Physics · Physics 2024-10-08 Jose D. Mella , L. E. F. Foa Torres , Roberto E. Troncoso

Recently, phonons with chirality (chiral phonons) have attracted significant attention. Chiral phonons exhibit angular and pseudo-angular momenta. In circularly polarized Raman spectroscopy, the peak split of the $\Gamma_3$ mode is…

Exploring the synergy between topological physics and nonlinear dynamics unveils profound insights into emergent states of matter. Inspired by recent experimental demonstrations of topological frequency combs in photonics, we theoretically…

Mesoscale and Nanoscale Physics · Physics 2025-09-01 Zhixiong Li , Xuejuan Liu , Zhejunyu Jin , Guanghua Guo , Xingen Zheng , Peng Yan

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

Boundary-dependent radiative corrections that modify the magnetic moment of an electron near a dielectric or conducting surface are investigated. Normal-mode quantization of the electromagnetic field and perturbation theory applied to the…

Quantum Physics · Physics 2013-02-12 Robert Bennett , Claudia Eberlein

Magnetic moments of baryons are studied within the chiral quark soliton model with special emphasis on the decuplet of baryons. The model is used to identify all symmetry breaking terms proportional to $m_{\rm s}$. Sum rules for the…

High Energy Physics - Phenomenology · Physics 2010-11-19 Hyun-Chul Kim , Michał Praszałowicz , Klaus Goeke

We study magnon-polaron hybrid states, mediated by Dzyaloshinskii-Moriya and magnetoelastic interactions, in a two-dimensional ferromagnetic insulator. The magnetic system consists of both in-plane and flexural acoustic and optical phonon…

Mesoscale and Nanoscale Physics · Physics 2023-12-19 Jostein N. Kløgetvedt , Alireza Qaiumzadeh

While the existence of a magnetic field induced quantum spin liquid in Kitaev magnets remains under debate, its topological properties often extend to proximal phases where they can lead to unusual behaviors of both fundamental and applied…

Strongly Correlated Electrons · Physics 2024-05-21 Li Ern Chern , Claudio Castelnovo

In the framework of the theory of defects/three-dimensional gravitation, it is obtained a positive correction to the magnetic moment of the electron bound to a disclination in a dielectric solid.

Condensed Matter · Physics 2015-06-25 Fernando Moraes

We show numerically that quarks develop an electric dipole moment in the direction of a sufficiently intense magnetic field due to local fluctuations of topological charge. This anomalous CP-odd effect is a spin analogue of the Chiral…

High Energy Physics - Phenomenology · Physics 2010-04-06 P. V. Buividovich , M. N. Chernodub , E. V. Luschevskaya , M. I. Polikarpov

A simple physical insight into the origin of the magnetic moment anomaly of electron is presented. This approach is based on the assumption that the electromagnetic mass of the electron due to the electric field generated by electron charge…

General Physics · Physics 2013-07-09 N. B. Mandache

Emergent excitation continua in frustrated magnets are a fingerprint of fractionalization, characteristic of quantum spin-liquid states. Recent evidence from Raman scattering for a coupling between such continua and lattice degrees of…

Strongly Correlated Electrons · Physics 2021-03-19 A. Metavitsiadis , W. Natori , J. Knolle , W. Brenig

Chiral magnets give rise to the anti-symmetric Dzyaloshinskii-Moriya (DM) interaction, which induces topological nontrivial textures such as magnetic skyrmions. The topology is characterized by integer values of the topological charge. In…

Strongly Correlated Electrons · Physics 2018-02-28 Wen-Tao Hou , Jie-Xiang Yu , Morgan Daly , Jiadong Zang

An appealing mechanism for inducing multiferroicity in materials is the generation of electric polarization by a spatially varying magnetization that is coupled to the lattice through the spin-orbit interaction. Here we describe the…

In this article it is reported a formulation of the solenoidal nature of quantum electronic currents at the nanoscale whose divergence is expressed as the coupling of a magnetic field, interacting with a quantum body, and a weighted Cern…

Materials Science · Physics 2021-02-09 S. Selenu

Two-dimensional (2D) magnetic systems possess versatile magnetic order and can host tunable magnons carrying spin angular momenta. Recent advances show angular momentum can also be carried by lattice vibrations in the form of chiral…

In a magnetic texture, the spin of a conduction electron is forced to be aligned to the localized moment. As a result, the topology of the magnetic texture affects the electron dynamics in nontrivial ways. A representative example is the…

Mesoscale and Nanoscale Physics · Physics 2022-12-22 Hidetoshi Masuda , Takeshi Seki , Jun-ichiro Ohe , Yoichi Nii , Koki Takanashi , Yoshinori Onose

We have systematically investigated the magnetic moments and magnetic form factors of the decuplet baryons to the next-to-next-leading order in the framework of the heavy baryon chiral perturbation theory. Our calculation includes the…

High Energy Physics - Phenomenology · Physics 2021-01-25 Hao-Song Li , Zhan-Wei Liu , Xiao-Lin Chen , Wei-Zhen Deng , Shi-Lin Zhu

The nucleon's peripheral transverse charge and magnetization densities are computed in chiral effective field theory. The densities are represented in first-quantized form, as overlap integrals of chiral light-front wave functions…

High Energy Physics - Phenomenology · Physics 2015-09-02 C. Granados , C. Weiss
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