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Related papers: Photon-Induced Magnetization Changes in Single-Mol…

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This work presents a magnetic reconnection experiment in which the kinetic, magnetic and thermal properties of the plasma each play an important role in the overall energy balance and structure of the generated reconnection layer. Magnetic…

Wave propagation properties in a medium are fundamentally affected when this medium is moving instead of at rest. In isotropic dielectric media rotation has two noteworthy contributions: one is a mechanically induced circular birefringence…

Plasma Physics · Physics 2023-02-22 Renaud Gueroult , Jean-Marcel Rax , Nathaniel J. Fisch

Extremely strong magnetic fields change the vacuum index of refraction. Although this polarization dependent effect is small for typical neutron stars, it is large enough to decouple the polarization states of photons traveling within the…

Astrophysics · Physics 2009-10-31 Jeremy S. Heyl , Nir J. Shaviv

We demonstrate that magnetic oscillations of a current-biased magnetic nanocontact can be parametrically excited by a microwave field applied at twice the resonant frequency of the oscillation. The threshold microwave amplitude for the…

Materials Science · Physics 2015-05-20 Sergei Urazhdin , Vasyl Tiberkevich , Andrei Slavin

We show that the energy-level splitting arising from grain rotation ensures that paramagnetic dissipation acts at its maximum rate, i.e., the conditions for paramagnetic resonance are automatically fulfilled. We refer to this process as…

Astrophysics · Physics 2009-10-31 A. Lazarian , B. T. Draine

The influence of microwave radiation (1.2-140 GHz) on resistance of high-mobility two-dimensional electron gas in GaAs quantum wells is studied. Two series of microwave-induced magnetoresistance oscillations periodic in 1/B were observed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. A. Bykov , A. V. Goran , D. R. Islamov , A. K. Bakarov , Jing-qiao Zhang , Sergey Vitkalov

We investigate the angular dependence of the spin torque generated when applying a temperature difference across a spin-valve. Our study shows the presence of a non-trivial fixed point in this angular dependence, i.e. the possibility for a…

Mesoscale and Nanoscale Physics · Physics 2014-10-29 David Luc , Xavier Waintal

We experimentally investigated the optical responses of a superconducting niobium resonator. It was found that, with increasing radiation power, the resonance frequency increases monotonically below around 500 mK, decreases monotonically…

Mesoscale and Nanoscale Physics · Physics 2013-10-28 Yiwen Wang , Pinjia Zhou , Lianfu Wei , Haijie Li , Beihong Zhang , Miao Zhang , Qiang Wei , Yurong Fang , Chunhai Cao

We demonstrate how the combination of oscillating magnetic forces and radio-frequency (RF) pulses endows RF photons with tunable momentum. We observe velocity-selective spinflip transitions and the associated Doppler shift. This realizes…

We report the observation of the Purcell effect in a cavity-metallic magnet hybrid system using electric-field-mediated coupling. In this configuration, microwave-induced axial currents in the microwire induce circular magnetic fields that…

Quantum Physics · Physics 2026-03-25 Italo L. Soares Andrade , Kleber Pirota , Amir O. Caldeira , Francisco Rouxinol

The spin dynamics in [TbPc$_{2}$]$^{0}$ and [DyPc$_{2}$]$^{0}$ single molecule magnets have been investigated by means of muon and nuclear spin-lattice relaxation rate measurements. The correlation time for the spin fluctuations was found…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 F. Branzoli , M. Filibian , P. Carretta , S. Klytaskaya , M. Ruben

The possibility of coherent radiation by molecular magnets is investigated. It is shown that to realize the coherent radiation, it is necessary to couple the considered sample to a resonant electric circuit. A theory for describing this…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 V. I. Yukalov , E. P. Yukalova

We present a detailed theoretical investigation on the radiation induced giant magnetoresistance oscillations recently discovered in high-mobility two-dimensional electron gas. Electron interactions with impurities, transverse and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 X. L. Lei

We perform 2D and 3D kinetic simulations of reconnection-mediated turbulent flares in a magnetized electron-positron plasma, with weak and strong radiative cooling. Such flares can be generated around neutron stars and accreting black…

High Energy Astrophysical Phenomena · Physics 2021-11-17 J. Nättilä , A. M. Beloborodov

We study electron tunneling through Co nanoparticles in the presence of repeated microwave pulses at 4.2K. While individual pulses are too weak to affect the magnetic switching field, repeated microwave pulses start to reduce the magnetic…

Mesoscale and Nanoscale Physics · Physics 2011-07-29 W. Jiang , F. Tijiwa Birk , D. Davidović

The infuence of the conduction-electron spin magnetization density, induced in a two-dimensional electron layer by a microwave electromagnetic field, on the rejection and transmission of the field is considered. Because of the induced…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Victor M. Edelstein

We consider propagation of gravitational radiation in a magnetized multicomponent plasma. It is shown that large density perturbations can be generated, even for small deviations from flat space, provided the cyclotron frequency is much…

Astrophysics · Physics 2009-10-31 G. Brodin , M. Marklund , M. Servin

This work describes the scientific basis and associated simulation results for the magnetization of an unmagnetized plasma via beat wave current drive. Two-dimensional electromagnetic particle-in-cell simulations have been performed for a…

Plasma Physics · Physics 2012-11-29 D. R. Welch , T. C. Genoni , C. Thoma , N. Bruner , D. V. Rose , S. C. Hsu

We present the first three-dimensional radiation-magnetohydrodynamic simulations of the photoionisation of a dense, magnetised molecular globule by an external source of ultraviolet radiation. We find that, for the case of a strong ionising…

Astrophysics · Physics 2015-05-13 William J. Henney , S. Jane Arthur , Fabio De Colle , Garrelt Mellema

The effect of a measurement time duration on the parameters of magnetization curves for an ensemble of identical noninteracting single-domain particles with equally oriented axes under the uniaxial anisotropy has been specifed for different…

Mesoscale and Nanoscale Physics · Physics 2008-03-12 A. A. Timopheev , S. M. Ryabchenko
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