Results 71 to 80 of about 12,791 (220)
Dark photon superradiance: Electrodynamics and multimessenger signals [PDF]
Physical Review D, 2022 We study the electrodynamics of a kinetically mixed dark photon cloud that forms through superradiance around a spinning black hole, and design strategies to search for the resulting multimessenger signals.
N. Siemonsen +5 more
semanticscholar +1 more source
Gregory-Laflamme encounters Superradiance
Journal of High Energy Physics, 2023 Abstract We investigate the effect of superradiant scattering of gravitational perturbations on the stability of rotating black strings, focusing on the six dimensional equal-spinning Myers-Perry black string. We find that rapidly rotating black strings are unstable to gravitational superradiant modes within a bounded range of ...
Dias, ÓJC +4 more
openaire +7 more sources
Characterizing superradiant dynamics in atomic arrays via a cumulant expansion approach
Physical Review Research, 2023 Ordered atomic arrays with subwavelength lattice spacing emit light collectively. For fully inverted atomic arrays, this results in an initial burst of radiation and a fast buildup of coherences between the atoms at initial times.
Oriol Rubies-Bigorda +2 more
doaj +1 more source
Superradiant and transport lifetimes of the cyclotron resonance in the topological insulator HgTe
, 2019 We investigate the superradiance effects in three-dimensional topological insulator HgTe with conducting surface states. We demonstrate that the superradiance can be explained using the classical electrodynamic approach.
Dobretsova, A. A. +6 more
core +1 more source
Boson star superradiance with spinning effects and in time domain [PDF]
Physical Review DSuperradiance, the process by which waves are amplified through energy and angular momentum transfer, can also occur in horizonless objects like boson stars, due to both the real space and internal field space rotations.
Fu-Ming Chang +4 more
semanticscholar +1 more source
Journal of High Energy PhysicsAbstract We investigate how superradiance affects the generation of baryon asymmetry in a universe with rotating primordial black holes, considering a scenario where a scalar boson is coupled to the heavy right-handed neutrinos.
Anish Ghoshal +2 more
openaire +3 more sources
A Mode-Selective Control in Two-Mode Superradiance from Lambda Three-Level Atoms
PhotonicsDicke superradiance, a single-mode burst of radiation emitted by an ensemble of two-level atoms, has garnered tremendous attention within the physics community.
Gombojav O. Ariunbold, Tuguldur Begzjav
doaj +1 more source
Collectively induced many-vortices topology via rotatory Dicke quantum phase transition
New Journal of Physics, 2016 We examine the superradiance of a Bose–Einstein condensate pumped with a Laguerre–Gaussian laser of high winding number, e.g., ${\ell }=7$ . The laser beam transfers its orbital angular momentum (OAM) to the condensate at once due to the collectivity of ...
Priyam Das +2 more
doaj +1 more source
Tailoring superradiance to design artificial quantum systems
, 2016 Cooperative phenomena arising due to the coupling of individual atoms via the radiation field are a cornerstone of modern quantum and optical physics.
Evers, Jörg +2 more
core +1 more source
Anomalous Giant Superradiance in Molecular Aggregates Coupled to Polaritons. [PDF]
Physical Review LettersIn this Letter, we unveil an eccentric superradiance phenomenon in molecular aggregates coupled to surface plasmon polaritons. Through the quantization of electromagnetic fields in media, we demonstrate that superradiance can be significantly enhanced by
Yi-Ting Chuang, Liang-Yan Hsu
semanticscholar +1 more source