首页> 中文期刊> 《中国物理快报:英文版》 >Randomly Generating Four Mixed Bell-Diagonal States with a Concurrences Sum to Unity

Randomly Generating Four Mixed Bell-Diagonal States with a Concurrences Sum to Unity

         

摘要

A two-qubit system in quantum information theory is the simplest bipartite quantum system and its concurrence for pure and mixed states is well known.As a subset of two-qubit systems,Bell-diagonal states can be depicted by a very simple geometrical representation of a tetrahedron with sides of length 2√2.Based on this geometric representation,we propose a simple approach to randomly generate four mixed Bell decomposable states in which the sum of their concurrence is equal to one.

著录项

  • 来源
    《中国物理快报:英文版》 |2012年第1期|24-27|共4页
  • 作者单位

    Faculty of Engineering;

    The University of Nottingham Malaysia Campus;

    Jalan Broga;

    43500 Semenyih;

    Selangor Darul Ehsan;

    Malaysia;

    Laboratory of Computational Sciences and Mathematical Physics;

    Institute for Mathematical Research;

    Universiti Putra Malaysia;

    43400 UPM Serdang;

    Selangor;

    Malaysia;

    Department of Physics;

    Faculty of Science;

    Universiti Putra Malaysia;

    43400 UPM Serdang;

    Selangor;

    Malaysia;

    Faculty of Health and Life Sciences;

    INTI International University;

    Persiaran Perdana BBN;

    Putra Nilai;

    71800 Nilai;

    Negeri Sembilan;

    Malaysia;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 理论物理学;
  • 关键词

    quantum; concurrence; representation;

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