QDENSITY/QCWAVE: A Mathematica quantum computer simulation update

The Mathematica quantum computer simulation packages QDENSITY and QCWAVE are updated for Mathematica 9-10.3. An overview is given of the new QDensity, QCWave, BTSystem and Circuits packages, which includes: (1) improved treatment of tensor products of states and density matrices, (2) major extension to include qutrit (triplet), as well as qubit (binary) and hybrid qubit/qutrit systems in the associated BTSystem package, (3) updated sample quantum computation algorithms, (4) entanglement studies, including Schmidt decomposition, entropy, mutual information, partial transposition, and calculation of the quantum discord. Examples of Bell’s theorem and concurrence are also included. This update will hopefully aid in studies of QC dynamics.

The previous version of this program (ADXH_v3_0) may be found at http://dx.doi.org/10.1016/j.cpc.2011.04.010.

Mathematica量子计算机模拟软件包QDENSITY与QCWAVE已针对Mathematica 9-10.3版本进行更新。本文概述了新的QDensity、QCWave、BTSystem和Circuits软件包，包括：（1）对状态和密度矩阵的张量积处理进行了优化，（2）在相关的BTSystem软件包中，对三比特（三重态）、二比特（双态）以及混合二比特/三比特系统进行了主要扩展，（3）更新了示例量子计算算法，（4）对纠缠现象进行了研究，包括Schmidt分解、熵、互信息、部分转置，以及量子混沌的计算。此外，还包括了贝尔定理和关联度的示例。此次更新有望促进量子计算机动力学研究。前一个版本的程序（ADXH_v3_0）可在以下链接找到：http://dx.doi.org/10.1016/j.cpc.2011.04.010。