English
Related papers

Related papers: Nonlinear and Thermal Effects in the Absorption of…

200 papers

We analyze atom-surface magnetic interactions on atom chips where the magnetic trapping potentials are produced by current carrying wires made of electrically anisotropic materials. We discuss a theory for time dependent fluctuations of the…

Other Condensed Matter · Physics 2008-07-03 T. David , Y. Japha , V. Dikovsky , R. Salem , C. Henkel , R. Folman

Spins in molecular magnets can experience both anisotropic exchange interactions and on-site magnetic anisotropy. In this paper we study the effect of exchange anisotropy on the molecular magnetic anisotropy both with and without on-site…

Materials Science · Physics 2018-12-12 Sumit Haldar , Rajamani Raghunathan , Jean-Pascal Sutter , S. Ramasesha

We report on magneto-oscillations in differential resistivity of a two-dimensional electron system subject to intense microwave radiation. The period of these oscillations is determined not only by microwave frequency but also by its…

Mesoscale and Nanoscale Physics · Physics 2010-05-31 M. Khodas , H. -S. Chiang , A. T. Hatke , M. A. Zudov , M. G. Vavilov , L. N. Pfeiffer , K. W. West

We propose a theoretical framework of a magnetization switching induced solely by a microwave. The microwave frequency is always close to but slightly different from the oscillation frequency of the magnetization. By efficiently absorbing…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 Tomohiro Taniguchi

Electromagnetic response of a finite-width two-dimensional electron stripe is theoretically studied. It is shown that retardation and radiative effects substantially modify the absorption spectrum of the system at microwave frequencies,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. A. Mikhailov , N. A. Savostianova

We investigate the microwave absorption of a pinned, two-dimensional Wigner crystal in a strong magnetic field at finite temperatures. Using a model of a uniform commensurate pinning potential, we analyze thermal broadening of the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Hangmo Yi , H. A. Fertig

A fully self-consistent model for the excitation and reception of magnetostatic surface waves in thin ferromagnetic films by a set of coplanar antennas was developed and implemented numerically. The model assumes that the ferromagnetic film…

Applied Physics · Physics 2022-06-22 Charles Weiss , Matthieu Bailleul , Mikhail Kostylev

The rapid damping of slow magnetoacoustic waves in the solar corona has been extensively studied in previous years. Most studies suggest that thermal conduction is a dominant contributor to this damping, albeit with a few exceptions.…

Solar and Stellar Astrophysics · Physics 2019-08-02 S. Krishna Prasad , D. B. Jess , T. Van Doorsselaere

In discrete energy structure of nanoscale magnets, nonadiabatic transitions at avoided level crossings lead to fundamental processes of dynamics of magnetizations. The thermal environment causes dissipative effects on these processes. In…

Materials Science · Physics 2007-05-23 Seiji Miyashita , Keiji Saito , Hiroto Kobayashi , Hans De Raedt

We present a model to probe metamagnetic properties in systems with an arbitrary number of interacting spins. Thermodynamic properties such as the magnetization per particle $m(B,T,N)$, linear susceptibility $\chi_1(T)$, nonlinear…

Statistical Mechanics · Physics 2018-08-15 Pradeep Kumar , Christopher E. Wagner

Realizing non-reciprocal scattering and absorption from subwavelength elements has several applications across the electromagnetic frequency spectrum. Here we show that gyromagnetic cylindrical rods with subwavelength dimensions exhibit…

Optics · Physics 2026-01-21 Rajarshi Sen , Sarang Pendharker

Dynamic modulation of electromagnetic responses is theoretically examined in dielectric antiferromagnets. While both magneto-electric and magneto-elastic coupling can achieve robust electrical control of magnetic anisotropy, the latter is…

Materials Science · Physics 2023-11-23 Xinyi Xu , Yuriy G. Semenov , Ki Wook Kim

We predict a huge anisotropic thermal magnetoresistance (ATMR) in the near-field radiative heat transfer between magneto-optical particles when the direction of an external magnetic field is changed with respect to the heat current…

We theoretically investigate inelastic transport through anisotropic magnetic molecules weakly coupled to one ferromagnetic and one nonmagnetic lead. We find that the current is suppressed over wide voltage ranges due to spin blockade. In…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Florian Elste , Carsten Timm

Both negative magnetoresistance and nonlinear magnetoresisitance were observed in silicon strip nuclear radiation detector in room temperature if we applied high magnetic field intensity in different direction. This result is different with…

Instrumentation and Detectors · Physics 2016-07-01 Fangcong Wang , Haixia Li , Hui Guo , Xiaolong Fan , Zhankui Li

Magnetic anisotropies have key role to taylor magnetic behavior in ferromagnetic systems. Further, they are also essential elements to manipulate the thermoelectric response in Anomalous Nernst (ANE) and Longitudinal Spin Seebeck systems…

The dc magnetoconductivity of the multisubband two-dimensional electron system formed on the liquid helium surface in the presence of resonant microwave irradiation is described, and a new mechanism of the negative linear response…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Yuriy P. Monarkha

Recently observed scaling in the random-anisotropy model of amorphous or sintered ferromagnets is derived by an alternative method and extended for studying the dynamical properties in terms of the Landau-Lifshitz equations for spin blocks.…

Disordered Systems and Neural Networks · Physics 2025-02-14 Dmitry A. Garanin , Eugene M. Chudnovsky

We investigated the ferromagnetic resonance signals in a polycrystalline permalloy thin strip under in-plane low static magnetic field. A series of DC voltages, which contain ferromagnetic resonance or spin wave resonance signals, were…

Materials Science · Physics 2011-12-06 Ziqian Wang , Lujun Huang , Xiaofeng Zhu , Xiaoshuang Chen , Wei Lu

Electromagnetic response of a finite-width two-dimensional electron stripe with attached metallic side contacts is theoretically studied. It is shown that contacts substantially influence the position, the linewidth, and the amplitude of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. A. Mikhailov , N. A. Savostianova