English
Related papers

Related papers: Entangling Two-Atom Through Cooperative Interactio…

200 papers

The entanglement of two atoms is studied when the two atoms are coupled to a single-mode thermal field with different couplings. The different couplings of two atoms are in favor of entanglement preparation: it not only makes the case of…

Quantum Physics · Physics 2009-11-10 L. Zhou , X. X. Yi , H. S. Song , Y. Q. Guo

We investigate the driven-dissipative dynamics of 1D and 2D arrays of multilevel atoms interacting via dipole-dipole interactions and trapped at subwavelength scales. Here we show that in the weakly driven low excitation regime, multilevel…

Quantum Physics · Physics 2024-12-05 Sanaa Agarwal , A. Piñeiro Orioli , J. K. Thompson , A. M. Rey

Multiparticle entangled states generated via interaction between narrow-band light and an ensemble of identical two-level atoms are considered. Depending on the initial photon statistics, correlation between atoms and photons can give rise…

Quantum Physics · Physics 2009-11-11 V. N. Gorbachev , A. I. Trubilko

Effectiveness of using laser field to produce entanglement between two dipole-interacting identical two-level atoms is considered in detail. The entanglement is achieved by driving the system with a carefully designed laser pulse…

Quantum Physics · Physics 2017-04-26 I. V. Bargatin , B. A. Grishanin , V. N. Zadkov

The dynamical evolution of a quantum system composed of two coupled cavities, each containing a two-level atom and a single-mode thermal field, is investigated under different conditions. The entanglement between the two atoms is controlled…

Quantum Physics · Physics 2014-01-28 Li-Tuo Shen , Zhen-Biao Yang , Huai-Zhi Wu , Xin-Yu Chen , Shi-Biao Zheng

We study, in the framework of open quantum systems, the entanglement generation between two mutually independent static two-level atoms in de Sitter spacetime. We treat the two-atom system as an open system in interaction with a bath of…

General Relativity and Quantum Cosmology · Physics 2013-11-14 Jiawei Hu , Hongwei Yu

We propose a scheme able to generate on demand a steady-state entanglement between two non-degenerate cavity modes. The scheme relies on the interaction of the cavity modes with driven two or three-level atoms which act as a coupler to…

Quantum Physics · Physics 2015-05-20 Zhao-hong Tang , Gao-xiang Li , Zbigniew Ficek

Atomic collisions are included in an interacting system of optical fields and trapped atoms allowing field amplification. We study the effects of collisions on the system stability. Also a study of the degree of entanglement between atomic…

Quantum Physics · Physics 2008-06-17 V. V. França , G. A. Prataviera

We discuss the generation of entangled states of two two-level atoms inside an optical resonator. When the cavity decay is continuously monitored, the absence of photon-counts is associated with the presence of an atomic entangled state. In…

Quantum Physics · Physics 2009-10-31 M. B. Plenio , S. F. Huelga , A. Beige , P. L. Knight

We consider the dynamics of a system consisting of two two-level atoms interacting with the electromagnetic field near an optical black hole. We obtain the reduced density operator of the two-atom system in the weak coupling regime for the…

Quantum Physics · Physics 2018-02-14 Mahnaz Tavakoli , Ehsan Amooghorban

A system of two two-level atoms interacting with a squeezed vacuum field can exhibit stationary entanglement associated with nonclassical two-photon correlations characteristic of the squeezed vacuum field. The amount of entanglement…

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

We study the entanglement properties of two three-level Rydberg atoms passing through a single-mode cavity. The interaction of an atom with the cavity field allows the atom to make a transition from the upper most (lower most) to the lower…

Quantum Physics · Physics 2007-08-07 Biplab Ghosh , A. S. Majumdar , N. Nayak

We describe a scheme with analytic result that allows to generate steady-state entanglement for two atoms over a dissipative bosonic medium. The resonant coupling between the mediating bosonic mode and cavity modes produces three collective…

Quantum Physics · Physics 2014-11-18 Li-Tuo Shen , Xin-Yu Chen , Zhen-Biao Yang , Huai-Zhi Wu , Shi-Biao Zheng

We propose a scheme for rapid generation of high fidelity steady state entanglement between a pair of atoms. A two-photon excitation process towards long-lived Rydberg states with finite pairwise interaction, a dark state interference…

Quantum Physics · Physics 2013-07-25 D. D. Bhaktavatsala Rao , Klaus Mølmer

Considering environment-induced interatomic interaction, we study the entanglement dynamics of two uniformly accelerated atoms that interact with fluctuating massless scalar fields in the Minkowski vacuum in the presence of a reflecting…

Quantum Physics · Physics 2025-05-27 Chenhao Ma , Zixu Zhao

We report on a mechanism to optimize the generation of steady-state entanglement in a system of coupled qubits driven by microwave fields. Due to the interplay between Landau-Zener-St\"uckerlberg pumping involving three levels and a…

Quantum Physics · Physics 2021-09-15 Ana Laura Gramajo , Daniel Domínguez , María José Sánchez

We propose a scheme for the generation of entangled states for two atoms trapped in separate cavities coupled to each other. The scheme is based on the competition between the unitary dynamics induced by the classical fields and the…

Quantum Physics · Physics 2011-12-30 Li-Tuo Shen , Xin-Yu Chen , Zhen-Biao Yang , Huai-Zhi Wu , Shi-Biao Zheng

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

The electronic entanglement between two free atoms initially at rest is obtained including the effects of photon recoil, for the case when quantum dispersion can be neglected during the atomic excited-state lifetime. Different from previous…

Quantum Physics · Physics 2015-05-14 F. Lastra , S. Wallentowitz

The dynamics of entanglement between three - level atoms coupled to the common vacuum is investigated. We show that the collective effects such as collective damping, dipole - dipole interaction and the cross coupling between orthogonal…

Quantum Physics · Physics 2009-11-13 L. Derkacz , L. Jakobczyk