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Coupling electromagnetic waves in a cavity and mechanical vibrations via the radiation pressure of the photons [1,2] is a promising platform for investigations of quantum mechanical properties of motion of macroscopic bodies and thereby the…

介观与纳米尺度物理 · 物理学 2015-10-16 J. -M. Pirkkalainen , S. U. Cho , F. Massel , J. Tuorila , T. T. Heikkila , P. J. Hakonen , M. A. Sillanpaa

Indistinguishable quantum emitters confined to length scales smaller than the wavelength of the light become superradiant. Compared to uncorrelated and distinguishable emitters, superradiance results in qualitative modifications of optical…

Wave scattering phenomena are ubiquitous to almost all Sciences, from Biology to Physics. When an incident wave scatters off of an obstacle, it is partially reflected and partially transmitted. Since the scatterer absorbs part of the…

广义相对论与量子宇宙学 · 物理学 2017-09-07 Theo Torres , Sam Patrick , Antonin Coutant , Mauricio Richartz , Edmund W. Tedford , Silke Weinfurtner

Transcritical flows in free surface hydrodynamics emulate black hole horizons and their timereversed versions known as white fountains. Both analogue horizons have been shown to emit Hawking radiation, the amplification of waves via…

Waveguide quantum electrodynamics studies photon-mediated interactions of quantum emitters in a one-dimensional radiation channel. Although signatures of such interactions have been observed previously in a variety of physical systems,…

An array of $N$ closely spaced dipole coupled quantum emitters exhibits super- and subradiance with characteristic tailorable spatial radiation patterns. Optimizing their geometry and distance with respect to the spatial profile of a near…

量子物理 · 物理学 2019-03-08 David Plankensteiner , Christian Sommer , Helmut Ritsch , Claudiu Genes

When quantum emitters couple indistinguishably to light, they can synchronize into a collective light matter system with radiative properties profoundly different from those of independent particles. To date, the resulting collective…

Superradiant phase transition represents an important quantum phenomenon that shows the collective excitations based on the coupling between atoms and cavity modes. The spin-orbit coupling is another quantum effect which induced from the…

量子气体 · 物理学 2021-05-26 Ying Lei , Shaoliang Zhang

We present quantum-mechanical approach for collective spontaneous emission (superradiance) of emitters (as atoms) near metal nanoparticle, when frequencies of transitions of emitters coincide with frequency of localized plasmon resonance of…

光学 · 物理学 2014-10-16 Igor Protsenko , Alexander Uskov

It is known from quantum mechanics that particles are associated with wave functions, and that the probability of observing a particle at some future location is proportional to the squared modulus of the amplitude of its wave function.…

物理学史与哲学 · 物理学 2022-10-11 Stuart Heinrich

We develop the theory of dynamical superradiance -- the collective exchange of energy between an ensemble of initially excited emitters and a single-mode cavity -- for organic materials where electronic states are coupled to vibrational…

While quantum fluctuations in binary mixtures of bosonic atoms with short-range interactions can lead to the formation of a self-bound droplet, for equal intra-component interactions but an unequal number of atoms in the two components,…

量子气体 · 物理学 2021-11-01 M. Nilsson Tengstrand , S. M. Reimann

Measured and calculated results are presented on the emission properties of a new class of emitters operating in the cavity quantum electrodynamics regime. The structures are based on high-finesse GaAs/AlAs micropillar cavities, each with…

介观与纳米尺度物理 · 物理学 2018-01-04 S. Kreinberg , W. W. Chow , J. Wolters , C. Schneider , C. Gies , F. Jahnke , S. Höfling , M. Kamp , S. Reitzenstein

The physics of systems of quantum emitters in waveguide quantum electrodynamics is significantly influenced by the relation between their spatial separation and the wavelength of the emitted photons. If the distance that separates a pair of…

量子物理 · 物理学 2025-09-11 Ammara Ammara , Paolo Facchi , Saverio Pascazio , Francesco V. Pepe , Debmalya Das

Superradiance is a phenomenon of multiple facets that occurs in classical and quantum physics under extreme conditions. Here we present its manifestation in spin waves under an easily realized condition. We show that an interface between a…

介观与纳米尺度物理 · 物理学 2023-08-03 X. R. Wang , X. Gong , K. Y. Jing

Recently, it has been suggested that the collective radiative decay of two point-like quantum emitters coupled to a waveguide, separated by a distance comparable to the coherence length of a spontaneously emitted photon, leads to an…

光学 · 物理学 2020-08-18 Stefano Longhi

We theoretically study the radiance properties of a pair of qubits inside a single-mode cavity driven by a two-photon drive. Our results show that, when the two qubits are strongly coupled to the cavity field, the collective radiation…

原子物理 · 物理学 2024-04-02 Anushree Dey , Bimalendu Deb

By consistently applying the formalism of quantum electrodynamics we developed a comprehensive theoretical framework describing the interaction of single microwave photons with an array of superconducting transmon qubits in a wave guide…

量子物理 · 物理学 2023-03-22 P. Navez , A. G. Balanov , S. E. Savel'ev , A. M. Zagoskin

We study the dynamical Casimir effect in a double superconducting cavity in a circuit quantum electrodynamics architecture. Parameters in the quantum circuit are chosen in such a way the superconducting cavity can mimic a double cavity,…

The many-body decay of extended collections of two-level systems remains an open problem. Here, we investigate whether an array of emitters coupled to a one-dimensional bath undergoes Dicke superradiance. This is a process whereby a…

量子物理 · 物理学 2023-07-26 Silvia Cardenas-Lopez , Stuart J. Masson , Zoe Zager , Ana Asenjo-Garcia