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We present a microscopic theory on the observation of a beating pattern in the radiation-induced magnetoresistance oscillations at very low magnetic field. We con- sider that such a beating pattern develops as a result of the coupling…

Mesoscale and Nanoscale Physics · Physics 2018-06-13 Jesus Inarrea

We consider a loop mixing of two fermion fields of opposite parities whereas the parity is conserved in a Lagrangian. Such kind of mixing is specific for fermions and has no analogy in boson case. Possible applications of this effect may be…

High Energy Physics - Phenomenology · Physics 2011-06-07 A. E. Kaloshin , E. A. Kobeleva , V. P. Lomov

We study the temporal growth and spatial propagation of quantum correlations in a two-dimensional bilayer realising a spin-1/2 quantum XXZ model with couplings mediated by long-range and anisotropic dipolar interactions. Starting with an…

Quantum Physics · Physics 2023-07-21 Thomas Bilitewski , G. A. Domínguez-Castro , David Wellnitz , Ana Maria Rey , Luis Santos

Indirect long range interactions between localized magnetic moments are in metals mediated by itinerant electrons. In insulators and semi-conductor, such interactions need to be small, if not negligible, due to the absence of mediating…

Other Condensed Matter · Physics 2026-04-17 J. Fransson

Recent investigations of microcavity frequency combs based on cascaded four-wave mixing have revealed a link between the evolution of the optical spectrum and the observed temporal coherence. Here we study a silicon nitride microresonator…

Optical frequency division of an ultrastable laser to the microwave frequency range by an optical frequency comb has allowed the generation of microwave signals with unprecedently high spectral purity and stability. However, the generated…

We use the full nonlinear bifurcation theory as a powerful methodology to thoroughly classify and predict the phonon lasing dynamics in optomechanical cavities. We exemplify its scope in the very relevant and so far vaguely explored…

Hybrid spin-mechanical systems are a promising platform for future quantum technologies. Usually they require application of additional microwave fields to project integer spin to a readable state. We develop a theory of optically detected…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 A. V. Poshakinskiy , G. V. Astakhov

We theoretically investigate acoustic spin resonance in a spatially homogeneous spinor polariton condensate. A longitudinal acoustic wave generates a time-periodic strain-induced effective magnetic field acting on the condensate pseudospin.…

Mesoscale and Nanoscale Physics · Physics 2026-05-18 D. A. Saltykova , A. Kudlis , A. V. Yulin , I. A. Shelykh

Coupling between tuneable broadband modes of an array of plasmonic metamolecules and a vibrational mode of carbonyl bond of poly(methyl methacrylate) is shown experimentally to produce a Fano resonance, which can be tuned in situ by varying…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 E. J. Osley , C. G. Biris , P. G. Thompson , R. R. F. Jahromi , P. A. Warburton , N. C. Panoiu

Metallic nanostructures provide a toolkit for the generation of coherent light below the diffraction limit. Plasmonic based lasing relies on the population inversion of emitters (such as organic fluorophores) along with feedback provided by…

Integration of optical elements into scalable chips has been at the center of a large effort in recent years. Concurrently, the separation between the diverse functions, namely switches, detectors or emitters increases significantly the…

Quantum Gases · Physics 2014-09-16 G. Grosso , S. Trebaol , M. Wouters , F. Morier-Genoud , M. T. Portella-Oberli , B. Deveaud

A recently discovered mechanism of electric dipole spin resonance, mediated by the hyperfine interaction, is investigated experimentally and theoretically. The effect is studied using a spin-selective transition in a GaAs double quantum…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 E. A. Laird , C. Barthel , E. I. Rashba , C. M. Marcus , M. P. Hanson , A. C. Gossard

Optical circuits and light sources, such as lasers, undergo continuous miniaturization. In its extreme, nanolasers might be comprised of only a few molecules confined in plasmonic nanoresonators. Few-emitter lasers promise low energy…

Quantum Physics · Physics 2026-05-08 Kai Müller , Kimmo Luoma , Christian Schäfer

The interaction between strain and spin has received intensive attention in the scientific community due to its abundant physical phenomena and huge technological impact. Until now, there is no experimental report on ultra-high frequency…

Materials Science · Physics 2020-09-01 Delin Zhang , Jie Zhu , Tao Qu , Dustin M. Lattery , R. H. Victora , Xiaojia Wang , Jian-Ping Wang

We suggest a new pump-probe method for studying semiconductor spin dynamics based on pumping of carrier spins by a pulse of oscillating radiofrequency (rf) magnetic field and probing by measuring the Faraday rotation of a short laser pulse.…

Mesoscale and Nanoscale Physics · Physics 2019-04-26 V. V. Belykh , D. R. Yakovlev , M. Bayer

Amplification of light through stimulated emission or nonlinear optical interactions has had a transformative impact on modern science and technology. The amplification of other bosonic excitations, like phonons in solids, is likely to open…

Materials Science · Physics 2022-06-01 Andrea Cartella , Tobia Federico Nova , Michael Fechner , Roberto Merlin , Andrea Cavalleri

Controlling the directionality of spin waves is a key ingredient in wave-based computing methods such as magnonics. In this paper, we demonstrate this particular aspect by using an all-optical point-like source of continuous spin waves…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 S. Muralidhar , R. Khymyn , A. A. Awad , A. Alemán , D. Hanstorp , J. Åkerman , .

Nonlinear phononics has emerged as a powerful paradigm for the nonthermal control of quantum materials by engineering a conservative potential energy landscape. Here, we show that dissipation can serve as an additional control knob for…

Mesoscale and Nanoscale Physics · Physics 2026-03-17 Brayan I. Eraso-Solarte , Yafei Ren

In any quantum or wave system dissipation leads to decoherence. Therefore, it was surprising in first instance when experiments on strongly lossy random lasers showed unambiguously by measurements of the photon statistics and of the lasing…

Disordered Systems and Neural Networks · Physics 2012-03-28 Regine Frank , Andreas Lubatsch , Johann Kroha