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首页> 外文期刊>Journal of physics, A. Mathematical and theoretical >Genuinely multipartite entangled states in higher dimensions: a generalization of balancedness
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Genuinely multipartite entangled states in higher dimensions: a generalization of balancedness

机译:更高维上的真正多部分纠缠态:平衡性的概括

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I generalize the concept of balancedness to qudits with arbitrary dimension d. It is an extension of the concept of balancedness by Osterloh and Siewert (2010 New J. Phys. 12 075025). At first, I define maximally entangled states as being the stochastic states (with local reduced density matrices. 1/d for a d-dimensional local Hilbert space) that are not product states and show that every so-defined maximal genuinely multi-qudit entangled state is balanced. Furthermore, all irreducibly balanced states are genuinely multi-qudit entangled and are locally equivalent with respect to SL(d) transformations (i.e. the local filtering transformations) to a maximally entangled state. In particular the concept given here gives a condition that all maximal genuinely multi-qudit entangled states for general local Hilbert space dimension d have to satisfy. A general genuinely multi-qudit entangled state is an element of the partly balanced SU(d)-orbits.
机译:我将平衡性的概念推广到具有任意维d的四度。它是Osterloh和Siewert(2010 New J. Phys。12 075025)对平衡概念的扩展。首先,我将最大纠缠状态定义为不是乘积状态的随机状态(具有局部降低的密度矩阵。对于d维局部希尔伯特空间,为1 / d),并证明每个如此定义的最大真正多纠缠态状态是平衡的。此外,所有不可还原的平衡状态确实是多量子纠缠的,并且对于SL(d)变换(即局部滤波变换)到最大纠缠态在局部是等效的。特别地,这里给出的概念给出了一个条件,即一般局部希尔伯特空间维数d的所有最大真正多量子纠缠态都必须满足。一般的真正多量子纠缠态是部分SU(d)轨道平衡的元素。

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