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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

In this paper we study the dynamics in the general case for a Tavis Cummings atom in a non-uniform cavity. In addition to the dynamical Stark shift, the center-of-mass motion of the atom and the recoil effect are considered in both - the…

Quantum Physics · Physics 2015-05-28 L. Chotorlishvili , Z. Toklikishvili , S. Wimberger , J. Berakdar

Harnessing entanglement and quantum coherence plays a central role in advancing quantum technologies. In quantum optical light-atom platforms, these two fundamental resources are often associated with a Jaynes-Cummings model description…

Quantum Physics · Physics 2024-09-25 Pradip Laha , P. A. Ameen Yasir , Peter van Loock

The Lindblad approach to continuous quantum measurements is applied to a system composed of a two-level atom interacting with a stationary quantized electromagnetic field through a dispersive coupling fulfilling quantum nondemolition…

Quantum Physics · Physics 2009-10-31 Roberto Onofrio , Lorenza Viola

We develop a systematic method of solving two non-interacting Jaynes-Cummings models by using the dressed state formalism in Hilbert space $\mathcal{H}_{AB}^{(2\otimes2)}$. It is shown that such model, called Double Jaynes-Cummings model…

Quantum Physics · Physics 2019-02-12 Surajit Sen , Tushar Kanti Dey , Mihir Ranjan Nath

Adopting the framework of the Jaynes-Cummings model with an external quantum field, we obtain exact analytical expressions of the normally ordered moments for any kind of cavity and driving fields. Such analytical results are expressed in…

Quantum Physics · Physics 2007-05-23 Marcelo Aparecido Marchiolli

In the Jaynes-Cummings model a two-level atom interacts with a single-mode electromagnetic field. Quantum mechanics predicts collapses and revivals in the probability that a measurement will show the atom to be excited at various times…

Quantum Physics · Physics 2009-11-07 John Jeffers , Stephen M. Barnett , David T. Pegg

High-spin quantum systems, endowed with rich internal degrees of freedom, constitute a promising platform for manipulating high-quality $n$-photon states. In this study, we explore $n$-photon bundles emission by constructing a high-spin…

Quantum Gases · Physics 2024-12-25 Huanhuan Wei , Jing Tang , Yuangang Deng

Catalysis plays a key role in many scientific areas, most notably in chemistry and biology. Here we present a catalytic process in a paradigmatic quantum optics setup, namely the Jaynes-Cummings model, where an atom interacts with an…

The effect of retardation in the atom-field interaction on the dynamics of entanglement in a double Jaynes-Cummings system is investigated. We consider large cavities in which a finite time necessary for light to travel between the atoms…

Quantum Physics · Physics 2015-06-17 Smail Bougouffa , Zbigniew Ficek

By introducing thermal entangled state representation which can map master equations of density operator in quantum statistics as state vector evolution equations and using dissipative interaction picture we solve the master equation of J-C…

Quantum Physics · Physics 2014-02-12 Seyed Mahmoud Ashrafi , Mohammad Reza Bazrafkan

Efficient optomechanical cooling typically requires high photon occupancy to maximize cooling power, a constraint that generally limits the degree of coherent quantum control available in the few-photon regime. Here, we investigate this…

Quantum Physics · Physics 2026-03-12 Surangana Sengupta , Björn Kubala , Joachim Ankerhold , Ciprian Padurariu

We have numerically obtained theoretical results for the collapse and the revival of the quantum Rabi oscillations for low average number of coherent photons injected on a two-level system in a lossy resonant cavity. We have adopted the…

Quantum Physics · Physics 2022-10-11 Najirul Islam , Shyamal Biswas

The relaxation of a quantum field stored in a high-$Q$ superconducting cavity is monitored by non-resonant Rydberg atoms. The field, subjected to repetitive quantum non-demolition (QND) photon counting, undergoes jumps between photon number…

Quantum Physics · Physics 2009-11-13 M. Brune , J. Bernu , C. Guerlin , S. Deleglise , C. Sayrin , S. Gleyzes , S. Kuhr , I. Dotsenko , J. M. Raimond , S. Haroche

We investigate the coupling between a quantized electromagnetic field in a cavity resonator and a Coulomb interacting electronic system in a nanostructure in an external magnetic field. Effects caused by the geometry of the electronic…

Mesoscale and Nanoscale Physics · Physics 2012-03-15 Olafur Jonasson , Chi-Shung Tang , Hsi-Sheng Goan , Andrei Manolescu , Vidar Gudmundsson

We present a study on manipulation and enhancement of multiphoton bundles emission under a moderate atom-cavity coupling, by constructing a two-photon Jaynes-Cummings model integrated with Kerr nonlinearity in a single atom-cavity system.…

Quantum Physics · Physics 2024-09-04 Jing Tang , Yuangang Deng

The Liouville equation of a two-level atom coupled to a degenerate bimodal lossy cavity is unitarily and exactly reduced to two uncoupled Liouville equations. The first one describes a dissipative Jaynes-Cummings model and the other one a…

Quantum Physics · Physics 2009-11-07 A. Napoli , Xiang-ming Hu , A. Messina

A double Tavis-Cummings model (DTCM) is developed to simulate the entanglement dynamics of realistic quantum information processing where two entangled atom-pairs $AB$ and $CD$ are distributed in such a way that atoms $AC$ are embedded in a…

Quantum Physics · Physics 2009-11-13 Zhong-Xiao Man , Yun-Jie Xia , Nguyen Ba An

In this paper the possibility of generating nonlinear coherent states of the radiation field in a micromaser is explored. It is shown that these states can be provided in a lossless micromaser cavity under the weak Jaynes-Cummings…

Quantum Physics · Physics 2007-05-23 M. H. Naderi , M. Soltanolkotabi , R. Roknizadeh

We theoretically investigate the effect of dissipation on multi-photon excitation of Rydberg atoms. The steady states and the dynamics are compared via two types of four-level excitation schemes with different dissipative paths of…

Atomic Physics · Physics 2015-06-22 Jing Qian , Weiping Zhang
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