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相关论文: The entanglement dynamics of interacting qubits em…

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We investigate disentanglement dynamics of two coupled qubits and qutrits which interact uniformly to a general XY spin-chain environment with the Dzyaloshinsky-Moriya (DM) interaction. We obtained exact expression of the time evolution…

量子物理 · 物理学 2011-11-21 Ming-Liang Hu

We study the dynamics of quantum discord and entanglement for two spin qubits coupled to a spin chain with Dzyaloshinsky-Moriya (DM) interaction. We numerically and analytically investigate the time evolution of quantum discord and…

量子物理 · 物理学 2011-09-27 Yi-ying Yan , Li-jun Tian , Li-guo Qin

We investigate the exact entanglement dynamics of a two-qubit Heisenberg XXZ chain with Dzyaloshinskii-Moriya (DM) interactions, interacting with an anisotropic spin bath in thermal equi- librium at a temperature T, driven by an external…

In this paper, the quantum entanglement dynamics of a qubit qubit compound system in the isotropic XXX Heisenberg and anisotropic XYZ models with DM interaction under magnetic fields is investigated. The system's initial state is considered…

量子物理 · 物理学 2025-01-28 Seyed Mohsen Moosavi Khansari , Fazlollah Kazemi Hasanvand

In the present paper an influence of the anisotropic antisymmetric exchange interaction, the Dzialoshinskii-Moriya (DM) interaction, on entanglement of two qubits in various magnetic spin models, including the pure DM model and the most…

量子物理 · 物理学 2008-04-07 Zeynep Nilhan Gurkan , Oktay K. Pashaev

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

This investigation delves into the intricate entanglement dynamics exhibited by qubit-qutrit systems when subjected to the intricate dynamics of both the XXX isotropic Heisenberg model and the anisotropic XYZ model. These models are…

量子物理 · 物理学 2025-08-08 Seyed Mohsen Moosavi Khansari , Fazlollah Kazemi Hasanvand

We consider the quantum correlations (entanglement and quantum discord) dynamics of two coupled spin qubits with Dzyaloshinsky-Moriya interaction influenced by a locally external magnetic field along $z$-direction and coupled to bath…

量子物理 · 物理学 2012-05-02 M. Mahdian , M. Bagherpour Jeddi

We study the dynamical behavior of two initially entangled qubits, each locally coupled to an environment embodied by an interacting spin chain. We consider energy-exchange qubit-environment couplings resulting in a rich and highly non…

量子物理 · 物理学 2015-05-18 T. J. G. Apollaro , A. Cuccoli , C. Di Franco , M. Paternostro , F. Plastina , P. Verrucchi

We study the quantum entanglement and quantum phase transition (QPT) of the anisotropic spin-1/2 XY model with staggered Dzyaloshinskii-Moriya (DM) interaction by means of quantum renormalization group method. The scaling of coupling…

统计力学 · 物理学 2015-05-28 Fu-Wu Ma , Xiang-Mu Kong

Assuming a two-qubit system in Werner state which evolves in Heisenberg XY model with Dzyaloshinskii-Moriya (DM) interaction under the effect of different environments. We evaluate and compare quantum entanglement, quantum and classical…

量子物理 · 物理学 2014-08-21 Mohammad Reza Pourkarimi , Majid Rahnama , Hossein Rooholamini

The exact quantum dynamics of the reduced density matrix of two coupled spin qubits in a quantum Heisenberg XY spin star environment in the thermodynamic limit at arbitrarily finite temperatures is obtained using a novel operator technique.…

其他凝聚态物理 · 物理学 2009-11-11 Xiao-Zhong Yuan , Hsi-Sheng Goan , Ka-Di Zhu

This article studies the decoherence induced on a system of two qubits by local interactions with a spin chain with nontrivial internal dynamics (governed by an XY Hamiltonian). Special attention is payed to the transition between two…

量子物理 · 物理学 2013-05-29 Cecilia Cormick , Juan Pablo Paz

The impurities of exchange couplings, external magnetic fields and Dzyaloshinskii--Moriya (DM) interaction considered as Gaussian distribution, the entanglement in one-dimensional random $XY$ spin systems is investigated by the method of…

量子物理 · 物理学 2009-11-13 C. J. Shan , W. W. Cheng , T. K. Liu , Y. X. Huang , H. Li

The dynamics of entanglement and quantum discord for qubit-qutrit systems are studied in the presence of phase damping and amplitude damping noises. Both one way and two couplings of the marginal systems with the environments are…

量子物理 · 物理学 2016-12-22 Salman Khan , Ishaq Ahmad

Quantum entanglement is a key resource for quantum information processing and sensing, but it is severely degraded by environmental noise. We extend the previous study by Moosavi Khansari and Kazemi Hasanvand [27] of entanglement dynamics…

量子物理 · 物理学 2026-05-12 Seyed Mohsen Moosavi Khansari

We study the dynamics of entanglement for the XY-model, one-dimensional spin systems coupled through nearest neighbor exchange interaction and subject to an external time-dependent magnetic field. Using the two-site density matrix, we…

量子物理 · 物理学 2007-05-23 Zhen Huang , Sabre Kais

We have studied occurrence of quantum phase transition in the one-dimensional spin-1/2 Ising model with added Dzyaloshinsky-Moriya (DM) interaction from bi- partite and multi-partite entanglement point of view. Using exact numerical…

强关联电子 · 物理学 2015-01-23 Javad Vahedi , Mohammad Reza Soltani , Saeed Mahdavifar

We study the Ising spin chain with a Dzyaloshinskii-Moriya interaction focusing on the static and dynamic properties of the entanglement entropy, following a quantum quench. We show that the effects of the additional anisotropic interaction…

统计力学 · 物理学 2011-12-16 Anirban Das , Silvano Garnerone , Stephan Haas

In this paper the the effect of Dzyaloshinskii-Moriya interaction and anisotropy on the Entanglement of Heisenberg chain has been studied. While the anisotropy suppress the entanglement due to favoring of the alignment of spins, the DM…

量子物理 · 物理学 2015-05-13 M. Kargarian , R. Jafari , A. Langari
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