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Related papers: Dissipation-based entanglement via quantum Zeno dy…

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We describe a mechanism for a controlled generation of a pure Bell state with correlated atoms that involve two or zero excitations. The mechanism inhibits transitions into singly excited collective states of a two-atom system by shifting…

Quantum Physics · Physics 2011-08-03 Khulud Almutairi , Ryszard Tanas , Zbigniew Ficek

A recent work [1] proposed a type of cluster entangled coherent states and its generation. Here we present an alternative experimental arrangement for its generation in bimodal QED cavities. The scheme employs a single two-level atom that…

Quantum Physics · Physics 2009-11-13 E. M. Becerra-Castro , W. B. Cardoso , A. T. Avelar , B. Baseia

The quantum Zeno and anti-Zeno effects describe how frequent measurements can either suppress or accelerate quantum dynamics. While extensively studied in various platforms, their manifestation in dark-state dynamics remains largely…

Dissipative preparation of a pure steady state usually involves a commutative action of a coherent and a dissipative dynamics on the target state. Namely, the target pure state is an eigenstate of both the coherent and dissipative parts of…

Statistical Mechanics · Physics 2016-02-18 Vladislav Popkov , Carlo Presilla

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

An approach to fast entanglement generation based on Rydberg dephasing of collective excitations (spin-waves) in large, optically thick atomic ensembles is proposed. Long-range $1/r^3$ atomic interactions are induced by microwave mixing of…

Quantum Physics · Physics 2012-01-20 F. Bariani , Y. O. Dudin , T. A. B. Kennedy , A. Kuzmich

In this paper, we proposed a physical scheme to concentrate the non-maximally entangled atomic pure states via cavity QED by using atomic collision in a far-off-resonant cavity. The most distinctive advantage of our scheme is that there is…

Quantum Physics · Physics 2009-11-10 Zhuo-Liang Cao , Ming Yang

By using quantum Zeno dynamics, we propose a controllable approach to deterministically generate tripartite GHZ states for three atoms trapped in spatially separated cavities. The nearest-neighbored cavities are connected via optical fibers…

Quantum Physics · Physics 2012-06-04 Wen-An Li , L. F. Wei

Inspired by recent work [A. W. Carr and M. Saffman, Phys. Rev. Lett. 111, 033607 (2013)], we propose a simplified scheme to prepare the two-atom maximally entangled states via dissipative Rydberg pumping. Compared with the former scheme,…

Quantum Physics · Physics 2015-09-01 Shi-Lei Su , Qi Guo , Hong-Fu Wang , Shou Zhang

In this work, we investigate the emergence and control of genuine tripartite entanglement in a hybrid cavity quantum electrodynamics architecture consisting of two linearly coupled single mode resonators, one of which interacts coherently…

Quantum Physics · Physics 2026-05-27 Abhishek Mandal , Joy Ghosh , Maruthi Manoj Brundavanam , Shailendra K Varshney

We propose two schemes for the generation of the cluster states. One is based on cavity quantum electrodynamics (QED) techniques. The scheme only requires resonant interactions between two atoms and a single-mode cavity. The interaction…

Quantum Physics · Physics 2009-11-11 Ping Dong , Zheng-Yuan Xue , Ming Yang , Zhuo-Liang Cao

Entangled states are a crucial resource for quantum-based technologies such as quantum computers and quantum communication systems (1,2). Exploring new methods for entanglement generation is important for diversifying and eventually…

Considerable progress has been made in understanding how dissipation drives the state of a single qubit from a quantum-mechanical superposition to a classical mixed state. This paper uses a Bloch-Redfield approach to study how, in a system…

Condensed Matter · Physics 2007-05-23 Vivek M. Aji , Joel E. Moore

In this paper we show a new way to generate entanglement via two identical three-level atoms splitting in the magnetic field interacting with the cavity field. By the system we investigate, We can acquire the EPR state, multi-dimensional…

Quantum Physics · Physics 2007-05-23 Jian-da Wu , Jian-lan Chen , Yong-de Zhang

In this paper, we investigate the entanglement dynamics and decoherence in the interacting system of a strongly driven two-level atom and a single mode vacuum field in the presence of dissipation for the cavity field. Starting with an…

Quantum Physics · Physics 2016-04-07 S. J. Akhtarshenas , M. Khezrian

Rydberg-cavity systems are emerging as promising platforms for quantum simulation and quantum information processing. These hybrid architectures combine two complementary interaction mechanisms: cavity photons mediate collective long-range…

We consider a single Rydberg atom having two degenerate levels interacting with the radiation field in a single-mode ideal cavity. The transition between the levels is carried out by a $\Lambda$-type degenerate two-photon process via a…

atom-ph · Physics 2008-02-03 N. Nayak , S. S. Hassan , T. Biswas

In this paper we want to investigate the possibility of transferring entanglement to two three-level separable atomic states over large distance using the quantum repeater protocol. In detail, our model consists of eight three-level atoms…

Quantum Physics · Physics 2021-06-04 M Ghasemi , MK Tavassoly

We study a special two-atom entanglement case in assumed Cavity QED experiment in which only one atom effectively exchanges a single photon with a cavity mode. We compute diatom entanglement under position-dependent atomic resonant…

Quantum Physics · Physics 2009-09-29 Yan-Qing Guo , Hai-Jing Cao , He-Shan Song

We study the excitation dynamics of Rydberg atoms in a one-dimensional lattice with periodic boundary conditions where the atomic Rydberg states are resonantly excited from the electronic ground state. Our description of the corresponding…

Quantum Physics · Physics 2015-05-13 B. Olmos , R. González-Férez , I. Lesanovsky
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