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A procedure that allows to obtain the dynamics of $N$ independent bodies each locally interacting with its own reservoir is presented. It relies on the knowledge of single body dynamics and it is valid for any form of environment noise. It…

量子物理 · 物理学 2009-11-13 Bruno Bellomo , Rosario Lo Franco , Giuseppe Compagno

We study the exact entanglement dynamics of two qubits interacting with a common zero-temperature non-Markovian reservoir. We consider the two qubits initially prepared in Bell-like states or extended Werner-like states. We study the…

量子物理 · 物理学 2015-05-13 L. Mazzola , S. Maniscalco , J. Piilo , K. -A. Suominen

We utilize a superconducting qubit processor to experimentally probe non-Markovian dynamics of an entangled qubit pair. We prepare an entangled state between two qubits and monitor the evolution of entanglement over time as one of the…

In this paper we provide an analytical investigation of the entanglement dynamics of moving qubits dissipating into a common and (in general) non-Markovian environment for both weak and strong coupling regimes. We first consider the case of…

量子物理 · 物理学 2020-02-19 Sare Golkar , Mohammad K Tavassoly , Alireza Nourmandipour

In a two-qubit system the coupling with an environment affects considerably the entanglement dynamics, and usually leads to the loss of entanglement within a finite time. Since entanglement is a key feature in the application of such…

量子物理 · 物理学 2009-11-13 Y. Dubi , M. Di Ventra

We analyze the dynamics of entanglement in a two-qubit system interacting with an initially squeezed thermal environment via a quantum nondemolition system-reservoir interaction, with the system and reservoir assumed to be initially…

量子物理 · 物理学 2015-05-13 Subhashish Banerjee , V. Ravishankar , R. Srikanth

We analyze the dynamics of the entanglement in two independent non-Markovian channels. In particular, we focus on the entanglement dynamics as a function of the initial states and the channel parameters like the temperature and the ratio…

量子物理 · 物理学 2009-11-02 Wei Cui , Zairong Xi , Yu Pan

We provide an analytical investigation of the pairwise entanglement dynamics for a system, consisting an arbitrary number of qubits dissipating into a common and non-Markovian environment for both weak and strong coupling regimes. In the…

量子物理 · 物理学 2016-03-23 Alireza Nourmandipour , Mohammad Kazem Tavassoly , Morteza Rafiee

We study two two-level atomic quantum systems (qubits) placed close to a body held at a temperature different from that of the surrounding walls. While at thermal equilibrium the two-qubit dynamics is characterized by not entangled steady…

量子物理 · 物理学 2015-09-01 Bruno Bellomo , Mauro Antezza

We study the non-Markovian effect on the dynamics of the quantum discord by exactly solving a model consisting of two independent qubits subject to two zero-temperature non-Markovian reservoirs, respectively. Considering the two qubits…

量子物理 · 物理学 2010-02-20 Bo Wang , Zhen-Yu Xu , Ze-Qian Chen , Mang Feng

We study the entanglement dynamics of multi-qubit systems coupled to a common dissipative environment, focusing on systems with one or two initially excited qubits. Using the Lindblad master equation, we derive the time evolution of the…

量子物理 · 物理学 2025-04-15 Z. Bakhshi , E. Morsheddoost , A. Zeynali

Non-Markovian dynamics is studied for two interacting quibts strongly coupled to a dissipative bosonic environment. For the first time, we have derived the non-Markovian quantum state diffusion (QSD) equation for the coupled two-qubit…

量子物理 · 物理学 2011-09-07 Xinyu Zhao , Jun Jing , Brittany Corn , Ting Yu

We address the evolution of entanglement in bimodal continuous variable quantum systems interacting with two independent structured reservoirs. We derive an analytic expression for the entanglement of formation without performing the Markov…

量子物理 · 物理学 2015-05-14 R. Vasile , S. Olivares , M. G. A. Paris , S. Maniscalco

We study the decoherence properties of an entangled bipartite qubit system, represented by two two-level atoms that are individually coupled to non-Markovian reservoirs. This coupling ensures that the dynamical equations of the atoms can be…

量子物理 · 物理学 2007-05-23 Ian Glendinning , Matthias Jakob , Michael Noelle

We use the quantum jump approach to study the entanglement dynamics of a quantum register, which is composed of two or three dipole-dipole coupled two-level atoms, interacting with a common environment. Our investigation of entanglement…

量子物理 · 物理学 2009-11-13 Jun-Hong An , Shun-Jin Wang , Hong-Gang Luo

We investigate the dynamics of entanglement given by the concurrence of a two-qubit system in the non-Markovian setting. A quantum master equation is derived which is solved in the eigen basis of the system Hamiltonian for X-type initial…

量子物理 · 物理学 2016-01-21 Muzaffar Qadir Lone

The dissipative dynamics of two interacting qubits coupled to independent reservoirs at nonzero temperatures is investigated, paying special attention to the entanglement evolution. The counter-rotating terms in the qubit-qubit interaction…

量子物理 · 物理学 2015-05-13 M. Scala , R. Migliore , A. Messina , L. L. Sanchez-Soto

We study two continuous variable systems (or two harmonic oscillators) and investigate their entanglement evolution under the influence of non-Markovian thermal environments. The continuous variable systems could be two modes of…

量子物理 · 物理学 2009-11-13 Kuan-Liang Liu , Hsi-Sheng Goan

In this paper, we investigate preservation of quantum coherence of a single-qubit interacting with a zero-temperature thermal reservoir through the addition of noninteracting qubits in the reservoir. Moreover, we extend this scheme to…

量子物理 · 物理学 2017-11-22 Naghi Behzadi , Bahram Ahansaz , Esfandyar Faizi

We present a detailed study of the entanglement dynamics of a two-qubit system coupled to independent non-Markovian environments, employing hierarchy equations. This recently developed theoretical treatment can conveniently solve…

量子物理 · 物理学 2015-05-20 Hao-Tian Wang , Chuan-Feng Li , Yang Zou , Rong-Chun Ge , Guang-Can Guo
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