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This paper is devoted to the study of the influence of two parallel plates on the atomic levels of a Hydrogen atom placed in the region between the plates. We treat two situations, namely: the case where both plates are infinitely permeable…

High Energy Physics - Theory · Physics 2007-05-23 D. T. Alves , F. A. Barone , C. Farina , A. C. Tort

We investigate spontaneous emission of a two-level atom with an arbitrarily polarized electric dipole in front of a flat dielectric surface. We treat the general case where the atomic dipole matrix element is a complex vector, that is, the…

Quantum Physics · Physics 2016-04-20 Fam Le Kien , A. Rauschenbeutel

We present a very simple model of a spontaneous emission from a two-level atom, interacting with a field of a finite number of states. Such a process is often said to occur because of the large number of equally-probable states of…

Quantum Physics · Physics 2012-04-03 Krzysztof Piotr Wójcik

It is a well known fact that non-trivial boundary conditions affect the interaction between atoms and the always present quantized electromagnetic field. In this paper, we focus on how the spontaneous emission rate of a given excited atom…

Quantum Physics · Physics 2010-05-28 F. S. S. Rosa , T. N. C. Mendes , A. Tenorio , C. Farina

We investigate the spontaneous emission of one atom placed near an oscillating reflecting plate. We consider the atom modeled as a two-level system, interacting with the quantum electromagnetic field in the vacuum state, in the presence of…

Quantum Physics · Physics 2019-11-12 Alessandro Ferreri , Michelangelo Domina , Lucia Rizzuto , Roberto Passante

We investigate the spontaneous emission of a two-level atom placed in the vicinities of a plasmonic cloak composed of a coated sphere. In the dipole approximation, we show that the spontaneous emission rate can be reduced to its vacuum…

Optics · Physics 2015-05-12 W. J. M. Kort-Kamp , F. S. S. Rosa , F. A. Pinheiro , C. Farina

We discuss the creation of entanglement between two two-level atoms in the dissipative process of spontaneous emission. It is shown that spontaneous emission can lead to a transient entanglement between the atoms even if the atoms were…

Quantum Physics · Physics 2009-11-10 R Tanas , Z. Ficek

We consider the theory of spontaneous emission for a random medium of stationary two-level atoms. We investigate the dynamics of the field and atomic probability amplitudes for a one-photon state of the system. At long times and large…

Optics · Physics 2021-04-27 Joseph Kraisler , John C Schotland

It is shown that the dissipation due to spontaneous emission can entangle two closely separated two-level atoms.

Quantum Physics · Physics 2007-05-23 L. Jakobczyk

We study the spontaneous emission, the absorption and dispersion properties of a ${\bf \Lambda}$-type atom where one transition interacts near resonantly with a double-band photonic crystal. Assuming an isotropic dispersion relation near…

Quantum Physics · Physics 2009-11-06 D. G. Angelakis , E. Paspalakis , P. L. Knight

Within the frame of quantum optics we analyze the properties of spontaneous emission of two-level atom in media with indefinite permittivity tensor where the geometry of the dispersion relation is characterized by an ellipsoid or a…

Optics · Physics 2012-03-06 Zheng Liu , Wei Li , Xunya Jiang

Spontaneous emission (SE) from a two-level atom in a photonic crystal (PC) with anisotropic one-band model is investigated using the fractional calculus. Analytically solving the kinetic equation in terms of the fractional exponential…

Other Condensed Matter · Physics 2015-05-13 Jing-Nuo Wu , Chih-Hsien Huang , Szu-Cheng Cheng , Wen-Feng Hsieh

We derive a new expression for the two-photon spontaneous emission (TPSE) rate of an excited quantum emitter in the presence of arbitrary bodies in its vicinities. After investigating the influence of a perfectly conducting plate on the…

Optics · Physics 2019-09-12 Y. Muniz , D. Szilard , W. J. M. Kort-Kamp , F. S. S. da Rosa , C. Farina

We study theoretically the rate of spontaneous emission of a two-level quantum emitter embedded in realistic systems: near a mirror, near a plasmonic sphere, or in a 3D photonic bandgap crystal. At constant frequency and position, we find…

Optics · Physics 2009-12-07 Willem L. Vos , A. Femius Koenderink , Ivan S. Nikolaev

We consider the photon field between an unusual configuration of infinite parallel plates: a perfectly conducting plate $(\epsilon\to\infty)$ and an infinitely permeable one $\mu\to\infty)$. After quantizing the vector potential in the…

High Energy Physics - Theory · Physics 2008-11-26 M. V. Cougo-Pinto , C. Farina , F. C. Santos. A. C. Santos

Spontaneous emission of an atom (molecule) placed near a nanocylinder of elliptical cross-section of an arbitrary composition is studied. The analytical expressions have been obtained for the radiative and nonradiative channels of…

Optics · Physics 2009-11-13 D. V. Guzatov , V. V. Klimov

We investigate the spontaneous emission of a two-level system, e.g. an atom or atomlike object, coupled to a single-end, i.e., semi-infinite, one-dimensional photonic waveguide such that one end behaves as a perfect mirror while light can…

Quantum Physics · Physics 2013-01-23 T. Tufarelli , F. Ciccarello , M. S. Kim

In this work, we consider atomic spontaneous emission in a system consisting of two identical two-level atoms interacting dispersively with the quantized electromagnetic field in a high-Q cavity. We investigate the destructive effect of the…

Quantum Physics · Physics 2007-05-23 P. P. Munhoz , J. A. Roversi , A. Vidiella-Barranco , F. L. Semiao

We derive spontaneous emission rate and line shift for two-level atoms coupled to the radiation field using causal perturbation theory. In this approach, employing the theory of distribution splitting prevents the occurrence of divergent…

Quantum Physics · Physics 2018-04-09 Karl-Peter Marzlin , Bryce Fitzgerald

We show theoretically that photonic crystal membranes cause large variations in the spontaneous emission rate of dipole emitters, not only inside but also in the near-field above the membranes. Our three-dimensional finite difference…

Other Condensed Matter · Physics 2012-08-21 A. Femius Koenderink , M. Kafesaki , C. M. Soukoulis , Vahid Sandoghdar
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