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Related papers: Isotropic Magnetic Purcell Effect

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The emission by an initially completely inverted atomic ensemble in the long-wavelength regime is simultaneously enhanced by both collective effects (Dicke effect) and dielectric environments (Purcell effect), thus giving rise to a combined…

Quantum Physics · Physics 2018-04-05 Sebastian Fuchs , Stefan Yoshi Buhmann

Detailed understanding of spin dynamics in magnetic nanomaterials is necessary for developing ultrafast, low-energy and high-density spintronic logic and memory. Here, we develop micromagnetic models and analytical solutions to elucidate…

Materials Science · Physics 2020-04-28 Furkan Şahbaz , Mehmet C. Onbaşlı

We investigate the spontaneous emission lifetime of a quantum emitter near a substrate coated with phosphorene under the influence of uniaxial strain. We consider both electric dipole and magnetic dipole-mediated spontaneous transitions…

Mesoscale and Nanoscale Physics · Physics 2023-10-30 P. P. Abrantes , W. J. M. Kort-Kamp , F. S. S. Rosa , C. Farina , F. A. Pinheiro , Tarik P. Cysne

Spherical silicon nanoparticles with sizes of a few hundreds of nanometers represent a unique optical system. According to theoretical predictions based on Mie theory they can exhibit strong magnetic resonances in the visible spectral…

We study the precession caused by electromagnetic radiation on a magnetic dipole located far from the source. As we show, this entails a net rotation of the dipole in the plane orthogonal to the direction of wave propagation, providing an…

High Energy Physics - Theory · Physics 2024-02-01 Blagoje Oblak , Ali Seraj

Quantum states of light and matter can be manipulated on the nanoscale to provide a technological resource for aiding the implementation of scalable photonic quantum technologies [1-3]. Experimental progress relies on the quality and…

This chapter, part of the Proceedings of the III International Workshop on Quantum Nonstationary Systems (eds. Alexandre Dodonov and Lucas Chibebe Celeri), held in Brasilia in August 2024, offers a comprehensive overview of spontaneous…

Mesoscale and Nanoscale Physics · Physics 2025-06-13 P. P. Abrantes , D. Szilard , C. Farina

The magnetotropic susceptibility is the thermodynamic coefficient associated with the rotational anisotropy of the free energy in an external magnetic field, and is closely related to the magnetic susceptibility. It emerges naturally in…

Strongly Correlated Electrons · Physics 2023-07-07 A. Shekhter , R. D. McDonald , B. J. Ramshaw , K. A. Modic

We explore the properties of spin splitting for neutral particles possessing electric and magnetic dipole moments propagating in an electromagnetic field. Two notable features of the spin splitting and the associated Larmor precession are…

Quantum Physics · Physics 2012-12-03 Tihomir G. Tenev , Nikolay V. Vitanov

We use a microscopic Slater-Koster tight-binding model with short-range exchange and atomic spin-orbit interactions that realistically captures generic features of ferromagnetic metal nanoparticles to address the mesoscopic physics of…

Condensed Matter · Physics 2009-11-07 A. Cehovin , C. M. Canali , A. H. MacDonald

High emission rate, high collection efficiency, and immunity to the defects are the requirements of implementing on-chip single photon sources. Here, we theoretically demonstrate that both cascade enhancement and high collection efficiency…

Optics · Physics 2024-08-22 Yali Jia , Zhaohua Tian , Qi Liu , Zihan Mo , Qihuang Gong , Ying Gu

Recent nanofabrication technologies have miniaturized optical and mechanical resonators, and have led to a variety of novel optomechanical systems in which optical and mechanical modes are strongly coupled. Here we hybridize an…

We introduce a general framework to study dipole-dipole energy transfer between an emitter and an absorber in a nanostructured environment. The theory allows us to address F\"orster Resonant Energy Transfer (FRET) between a donor and an…

Mesoscale and Nanoscale Physics · Physics 2011-02-02 Rémi Vincent , Rémi Carminati

Considerable progress has been made in organic light-emitting diodes (OLEDs) to achieve high external quantum efficiency (EQE), among which the dipole orientation of OLED emitters has a remarkable effect. In most cases, EQE of the OLED…

We examine a dielectric medium supporting a magnetic current in connection with optical properties and energy propagation. The dispersion relations, propagating modes, and some optical effects are examined for isotropic and anisotropic…

Other Condensed Matter · Physics 2024-07-10 Pedro D. S. Silva , Mario J. Neves , Manoel M. Ferreira

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

Both spontaneous emission and resonant energy transfer can be enhanced significantly when the emitter is placed in the vicinity of metallic or crystal structures. This enhancement can be described using the electromagnetic Green tensor and…

Optics · Physics 2022-07-27 Asaf Farhi , Aristide Dogariu

External magnetic fields influence the microstructure of polycrystalline materials. We explore the influence of strong external magnetic fields on the long time scaling of grain size during coarsening in thin films with an extended…

Materials Science · Physics 2020-03-04 Rainer Backofen , Axel Voigt

Purcell effect predicts that spontaneous radiation is not an intrinsic property of matter, but is affected by the environment in which it is located, and is the result of the interaction of matter and field. Purcell effect can be inferred…

Nuclear Theory · Physics 2021-04-08 Fei He , Ka-Di Zhu

Using the exact propagators in a constant magnetic field, the neutrino self-energy has been calculated to all orders in the field strength $B$ within the minimal extension of the Weinberg-Salam model with massive Dirac neutrinos. A neutrino…

High Energy Physics - Phenomenology · Physics 2020-11-03 Andrea Erdas , Zachary Metzler
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