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  1. Entanglement, fidelity, and quantum phase transition in antiferromagnetic-ferromagnetic alternating Heisenberg chain

  2. 反铁磁-铁磁交替海森堡链中的纠缠熵、保真度和量子相变，任杰，Shiqun Zhu，本文通过密度矩阵重整化群研究了反铁磁-铁磁交替海森堡链中的纠缠熵和保真度。我们研究了各向异性的相互作用对纠缠熵和保真度，�

  3. 所属分类：其它

    • 发布日期：2020-03-04
    • 文件大小：1048576
    • 提供者：weixin_38689857

  1. Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system

  2. 各向异性(1/2,1)混合自旋海森堡链中的纠缠，纯度和保真度，孙哲，王晓光，我们研究了各向异性(1/2,1)混合自旋海森堡链中的纠缠，纯度和保真度，发现了在系统的SU(2)各向同性点，用来度量纠缠的负值度出现凹陷

  3. 所属分类：其它

    • 发布日期：2019-12-30
    • 文件大小：306176
    • 提供者：weixin_38704284

  1. 纠缠蒸馏 - Tools and Methods for the Distillation of Entanglement

  2. Tools and Methods for the Distillation of Entanglement in Continuous Variable Quantum Optics

  3. 所属分类：专业指导

    • 发布日期：2021-03-23
    • 文件大小：5242880
    • 提供者：qq_41615319

  1. Entanglement dynamics of two atoms successively passing a cavity

  2. By means of concurrence, we investigate the dynamics of entanglement between two initially separate atoms in succession passing through a cavity and their interaction with a Fock state field. We then analyze the effects of the atomic coherence, photo

  3. 所属分类：其它

    • 发布日期：2021-02-26
    • 文件大小：360448
    • 提供者：weixin_38621082

  1. Enhancing entanglement generation of two atoms in a cavity with white noise using classical driving fields

  2. We investigate the entanglement dynamics of a quantum system consisting of two two-level atoms in a cavity with classical driving fields in the presence of white noise. The cavity is initially prepared in the vacuum state. Generally, the entanglement

  3. 所属分类：其它

    • 发布日期：2021-02-25
    • 文件大小：529408
    • 提供者：weixin_38640168

  1. Output nonlocality and nonclassicality in a two-mode entanglement laser

  2. Output nonlocality and nonclassicality for the two modes are investigated in an entanglement laser system. Within the framework of a quantum theory of multiwave mixing, nonlocality and nonclassicality are discussed according to the violations of Bell

  3. 所属分类：其它

    • 发布日期：2021-02-25
    • 文件大小：153600
    • 提供者：weixin_38526751

  1. Entanglement and nonlocality in a coupled-cavity system

  2. No instrument is able to measure directly the quantum entanglement of a system. However, both theory and experiment, following the well-known Bell inequality, reveal the existence of the entanglement phenomenon in quantum mechanics. To examine the ch

  3. 所属分类：其它

    • 发布日期：2021-02-23
    • 文件大小：1048576
    • 提供者：weixin_38727980

  1. Generation and measurement of arbitrary four-dimensional spatial entanglement between photons in multicore fibers

  2. High-dimensional entanglement is a valuable resource for secure and efficient quantum information processing. A major challenge for practical use of multidimensional quantum systems is the establishment of controls over arbitrary superposition states

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：1048576
    • 提供者：weixin_38528680

  1. Generating multiplexed entanglement frequency comb in a nondegenerate optical parametric amplifier

  2. In this paper, we propose a scheme to produce multiplexed entanglement frequency comb in a typeⅡphase matching nondegenerate optical parametric amplifier (NOPA) operating below threshold. The entanglement of the signal and idler frequency combs in th

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：394240
    • 提供者：weixin_38695773

  1. Entanglement of graph states up to eight qubits

  2. Entanglement of graph states up to eight qubits

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：142336
    • 提供者：weixin_38696836

  1. Entanglement bound for multipartite pure states based on local measurements

  2. Entanglement bound for multipartite pure states based on local measurements

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：198656
    • 提供者：weixin_38732924

  1. Entanglement fidelity of channel adaptive quantum codes

  2. Entanglement fidelity of channel adaptive quantum codes

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：210944
    • 提供者：weixin_38611459

  1. Entanglement dynamics of two qubits coupled by Heisenberg XY interaction under a nonuniform magnetic field in a spin bat

  2. Entanglement dynamics of two qubits coupled by Heisenberg XY interaction under a nonuniform magnetic field in a spin bath

  3. 所属分类：其它

    • 发布日期：2021-02-20
    • 文件大小：1048576
    • 提供者：weixin_38520258

  1. PREPARATION OF ENTANGLEMENT STATES IN A TWO-SPIN SYSTEM BY LYAPUNOV-BASED METHOD

  2. A stable Lyapunov-based control law is proposed for entanglement states preparation in this paper. The mathematical model of a two-spin system is constructed in interaction picture. An average value of observable operator is selected as the Lyapunov

  3. 所属分类：其它

    • 发布日期：2021-02-20
    • 文件大小：449536
    • 提供者：weixin_38747917

  1. Quantum information - Analytically solvable two-qubit entanglement monotone (9 pages)

  2. A so-called quasientanglement measure was obtained J. Zhang et al., Phys. Rev. A 73, 022319 2006 byextending Jaeger’s Minkowskian norm entanglement measure to general multipartite mixed states. The obtainedquasientanglement measure has good prope

  3. 所属分类：其它

    • 发布日期：2021-02-20
    • 文件大小：136192
    • 提供者：weixin_38693528

  1. Protecting Coherence and Entanglement by Quantum Feedback Controls

  2. When a quantum system interacts with its environment,the so-called decoherence effect will normally destroy thecoherence in the quantum state and the entanglement betweenits subsystems. We propose a feedback control strategy based onquantum weak meas

  3. 所属分类：其它

    • 发布日期：2021-02-20
    • 文件大小：975872
    • 提供者：weixin_38664556

  1. Creation of entanglement between two electron spins induced by many spin ensemble excitations

  2. We theoretically explore the possibility of creating spin entanglement by simultaneously coupling two electronic spins to a nuclear ensemble. By microscopically modeling the spin ensemble as a single mode boson field, we use the time-dependent Frohli

  3. 所属分类：其它

    • 发布日期：2021-02-20
    • 文件大小：440320
    • 提供者：weixin_38703906

  1. Multi-impurity effects on the entanglement of anisotropic Heisenberg ring XXZ under a homogeneous magnetic field

  2. The effects of multi-impurity on the entanglement of anisotropic Heisenberg ring XXZ under a homogeneous magnetic field are studied. The impurities make the equal pairwise entanglement in a ring compete with each other so that the pairwise entangleme

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：204800
    • 提供者：weixin_38559346

  1. Entanglement dynamics of non-interacting two-qubit system under a squeezed vacuum environment

  2. Entanglement dynamics of two non-interacting atoms in a squeezed vacuum reservoir is studied. Several examples with different initial entangled states are investigated, and it is found that entangled atoms become disentangled faster in squeezed vacuu

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：154624
    • 提供者：weixin_38640117

  1. Sudden birth of entanglement between two atoms in a double JC model

  2. Sudden birth of entanglement between two initially separate atoms interacting with two entangled photons in a double JC model is investigated, and the influences of different atomic initial states on entanglement among atoms are discussed. The result

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：280576
    • 提供者：weixin_38675969
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