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Using techniques of complex analysis in an algebraic approach, we solve the wave equation for a two-level atom interacting with a monochromatic light field exactly. A closed-form expression for the quasi-energies is obtained, which shows…

Quantum Physics · Physics 2015-06-26 Dong-Sheng Guo , Yong-Shi Wu , Linn Van Woerkom

We consider the coherent state radiation field inside a micromaser cavity and study the entanglement mediated by it on a pair of two level atoms passing though the cavity one after the other. We then investigate the effects of squeezing of…

Quantum Physics · Physics 2007-11-26 Biplab Ghosh , A. S. Majumdar , N. Nayak

We study entanglement dynamics of a couple of two-level atoms resonantly interacting with a cavity mode and embedded in a dispersive atomic environment. We show that in the absence of the environment the entanglement reaches its maximum…

Quantum Physics · Physics 2009-11-11 I. Sainz , A. B. Klimov , Luis Roa

To investigate the effect of a classical environment on a quantum mechanical system we consider two two-level atoms in a free radiation field in the presence of a screen. By assuming that the screen causes continuous ideal measurements on…

Quantum Physics · Physics 2009-11-07 Christian Schoen , Almut Beige

Single--photon which is initially uncorrelated with atom, will evolve to be entangled with the atom on their continuous kinetic variables in the process of resonant scattering. We find the relations between the entanglement and their…

Quantum Physics · Physics 2007-05-23 Rui Guo , Hong Guo

The density matrix equations of motion in near-degenerate three-level V-type closed-loop atomic system are calculated numerically in Floquet frame. The dynamical behavior of atom- photon entanglement between the dressed atom and its…

Atomic and Molecular Clusters · Physics 2015-07-01 Zeinab Kordi , Saeed Ghanbari , Mohammad Mahmoudi

The quantum resonances of an atom possessing a single valence electron which shows hyperfine interaction with the nucleus is investigated in the presence of a three dimensional magnetic quadrupole field. Particular emphasis is put on the…

Atomic Physics · Physics 2009-11-13 Shahpoor Saeidian , Igor Lesanovsky , Peter Schmelcher

The phenomenon of resonant energization of a relativistic quantum particle, moving in unison with an intense ElectroMagnetic Wave, is demonstrated in a semiclassical calculation. The wave nature of the quantum particle is of essence because…

High Energy Astrophysical Phenomena · Physics 2019-10-21 Swadesh M. Mahajan

We study a system of two interacting, non-indentical quantum emitters driven by a coherent field. We focus on the particular condition of two-photon resonance and obtain analytical expressions for the stationary density matrix of the system…

Quantum Physics · Physics 2021-08-18 Alejandro Vivas-Viaña , Carlos Sánchez Muñoz

Nonlinear dynamics in the fundamental interaction between a two-level atom with recoil and a quantized radiation field in a high-quality cavity is studied. We consider the strongly coupled atom-field system as a quantum-classical hybrid…

Quantum Physics · Physics 2011-11-09 S. V. Prants

Double slit interference is explained with the aid of what we call "21stcentury classical physics". We model a particle as an oscillator ("bouncer") in a thermal context, which is given by some assumed "zero-point" field of the vacuum. In…

Quantum Physics · Physics 2012-05-16 Gerhard Groessing , Siegfried Fussy , Johannes Mesa Pascasio , Herbert Schwabl

We provide a model to investigate feedback control of entanglement. It consists of two distant (two-level) atoms which interact through a radiation field and becomes entangled. We then show the possibility to stabilize such entanglement…

Quantum Physics · Physics 2009-11-10 Stefano Mancini , Jin Wang

The effect of interference stabilization is shown to exist in a system of two atomic levels coupled by a strong two-color laser field, the two frequencies of which are close to a two-photon Raman-type resonance between the chosen levels,…

Quantum Physics · Physics 2009-11-10 M. V. Fedorov , N. P. Poluektov

In a recent work, we provided a standardized and exact analytical formalism for computing in the semiclassical regime the radiation force experienced by a two-level atom interacting with any number of plane waves with arbitrary intensities,…

Quantum Physics · Physics 2021-06-02 L. Podlecki , J. Martin , T. Bastin

We investigate theoretically the collective radiance characteristics of an atomic ensemble with the simultaneous decay of two atoms. We show that the two-atom decay can significantly suppress the steady-state collective radiance of the…

Quantum Physics · Physics 2022-12-21 Qian Bin , Xin-You Lü

We show here that the photonic states emitted by ensembles of multilevel atoms via a superradiance process exhibit entanglement in the modal (frequency) degree of freedom, making this collective emission process a favorable candidate for a…

Quantum Physics · Physics 2025-07-01 Amir Sivan , Meir Orenstein

The interaction of light with a single two-level emitter is the most fundamental process in quantum optics, and is key to many quantum applications. As a distinctive feature, two photons are never detected simultaneously in the light…

Localized radiation sources are analyzed with respect to the relation of nonclassicality and quantum entanglement of the emitted light. The source field parts of the radiation emitted in different directions are closely related to each…

Quantum Physics · Physics 2014-09-01 P. Grünwald , W. Vogel

The properties of radiation created by a classical ultrarelativistic scalar charged particle in a constant homogeneous crossed electromagnetic field are described both analytically and numerically with radiation reaction taken into account…

Plasma Physics · Physics 2017-05-03 O. V. Bogdanov , P. O. Kazinski , G. Yu. Lazarenko

We investigate the time evolution of statistical properties of a single mode radiation field after its interaction with a two-level atom. The entire system is described by a dispersive Jaynes-Cummings Hamiltonian assuming the atomic state…

Quantum Physics · Physics 2020-12-07 C. J. S. Ferreira , C. Valverde , B. Baseia
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