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Related papers: Ab Initio Theory of Coherent Laser-Induced Magneti…

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We present a microscopic calculation of the inverse Faraday effect in metals. We derive a static local magnetic moment induced on the application of high-frequency light, using the Eilenberger formulation of quasiclassical theory. We…

Superconductivity · Physics 2024-09-13 Priya Sharma , Alexander V. Balatsky

The inverse Faraday effect is an opto-magnetic phenomenon that describes the ability of circularly polarized light to induce magnetism in solids. The capability of light to control magnetic order in solid state materials and devices is of…

Materials Science · Physics 2023-12-20 Víctor H. Ortiz , Shashi B. Mishra , Luat Vuong , Sinisa Coh , Richard B. Wilson

We investigated photon-helicity-induced magnetization precession in Co$_{1-x}$Pt$_{x}$ alloy thin films. In addition to field-like torque, attributable to magnetic field generation owing to {\it the inverse Faraday effect}, we observed…

We calculate the magnetization dynamics induced by the inverse Faraday effect in disordered metals in THz regime by using the diagrammatic method. We find that the induced magnetization is proportional to the frequency of circularly…

Other Condensed Matter · Physics 2011-11-24 Katsuhisa Taguchi , Gen Tatara

Understanding the coherent interplay of light with the magnetization in metals has been a long-standing problem in ultrafast magnetism. While it is known that when laser light acts on a metal it can induce magnetization via the process…

Mesoscale and Nanoscale Physics · Physics 2025-07-08 Theodoros Adamantopoulos , Dongwook Go , Peter M. Oppeneer , Yuriy Mokrousov

I formulate a theory of the inverse Faraday effect in impure two-dimensional metallic system with lifted spin degeneracy induced by Rashba spin-orbit coupling. Using the formalism of non-equilibrium quantum field theory, the static…

Strongly Correlated Electrons · Physics 2025-10-28 Maxim Dzero

The inverse Faraday effect is a magneto-optical process allowing the magnetization of matter by an optical excitation carrying a non-zero spin of light. In particular, a right circular polarization generates a magnetization in the direction…

Optics · Physics 2023-05-25 Ye Mou , Xingyu Yang , Bruno Gallas , Mathieu Mivelle

We investigate the non-resonant all-optical switching of magnetization. We treat the inverse Faraday effect (IFE) theoretically in terms of the spin-selective optical Stark effect for linearly or circularly polarized light. In the dilute…

Mesoscale and Nanoscale Physics · Physics 2013-08-20 Alireza Qaiumzadeh , Gerrit E. W. Bauer , Arne Brataas

We study laser-induced torques in bcc Fe, hcp Co and $L1_0$ FePt based on first-principles electronic structure calculations and the Keldysh nonequilibrium formalism. We find that the torques have two contributions, one from the inverse…

Materials Science · Physics 2016-10-26 Frank Freimuth , Stefan Blügel , Yuriy Mokrousov

The inverse Faraday effect is a magneto-optical process allowing the magnetization of matter by an optical excitation carrying a non-zero spin or orbital moment of light. This phenomenon was considered until now as symmetric; right or left…

Optics · Physics 2023-01-18 Ye Mou , Xingyu Yang , Bruno Gallas , Mathieu Mivelle

The observed magnetization switching by circularly polarized ultrafast laser pulses has been attributed to the inverse Faraday effect in which the induced non-equilibrium orbital momentum serves as an effective magnetic filed via spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2017-03-30 Anirban Kundu , Shufeng Zhang

The field of orbitronics has emerged with great potential to impact information technology by enabling environmentally friendly electronic devices. The main electronic degree of freedom at play is the orbital angular momentum, which can…

Magnetic recording using circularly polarized femto-second laser pulses is an emerging technology that would allow write speeds much faster than existing field driven methods. However, the mechanism that drives the magnetization switching…

Mesoscale and Nanoscale Physics · Physics 2017-06-19 Matthew O. A. Ellis , Eric E. Fullerton , Roy W. Chantrell

In exploring the light-induced dynamics within the linear response regime, this study investigates the induced orbital angular momentum on a wide variety of electronic structures. We derive a general expression for the torque induced by…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Philippe Scheid , Stéphane Mangin , Sébastien Lebègue

The optical generation of nonequilibrium spin magnetization plays a crucial role in advancing spintronics, providing ultrafast control of magnetization dynamics without the need for magnetic fields. Here, we demonstrate the feasibility of…

Mesoscale and Nanoscale Physics · Physics 2024-09-19 Sayan Sarkar , Sunit Das , Debottam Mandal , Amit Agarwal

We present a new approach to controlling magnetization in gold nanoparticles using the Inverse Faraday Effect combined with Laguerre-Gauss beams carrying orbital angular momentum. By tailoring the tilt of isophase planes, we induce drift…

Optics · Physics 2025-04-02 Xingyu Yang , Chantal Harreau , Mathieu Mivelle

The practical difficulty in distinguishing the impact of magnetic circular dichroism and the inverse Faraday effect fuels intense debates over which mechanism predominantly drives the process of helicity dependent all-optical switching of…

It is usually admitted that the inverse Faraday effect (IFE) originates from the spin angular momentum (SAM) of light. In this paper, we evidence that part of the IFE in a metal is induced by the orbital angular momentum (OAM) of light. On…

The inverse Faraday effect, the ability of light to act as a source of magnetism, is a cornerstone of modern ultrafast optics. Harnessing this effect at the nanoscale promises to transform data storage and spintronics, yet its predictive…

We propose a mechanism for the inverse Faraday and the inverse Cotton--Mouton effects arising from quantum geometry, characterized by the quantum metric quadrupole and the weighted quantum metric. Within a semiclassical framework based on…

Materials Science · Physics 2026-01-15 Hiroki Yoshida , Takehito Yokoyama
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