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用小计算机实现大系统的精确量子模拟。

Towards accurate quantum simulations of large systems with small computers.

机构信息

State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, 92 Wucheng Road, Taiyuan 030006, China.

Innovation Center of Extreme Optics, Shanxi University, 92 Wucheng Road, Taiyuan 030006, China.

出版信息

Sci Rep. 2017 Jan 24;7:41263. doi: 10.1038/srep41263.

DOI:10.1038/srep41263
PMID:28117366
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5259781/
Abstract

Numerical simulations are important for many systems. In particular, various standard computer programs have been developed for solving the quantum Schrödinger equations. However, the accuracy of these calculations is limited by computer capabilities. In this work, an iterative method is introduced to enhance the accuracy of these numerical calculations, which is otherwise prohibitive by conventional methods. The method is easily implementable and general for many systems.

摘要

数值模拟对于许多系统都很重要。特别是,已经开发出了各种标准的计算机程序来求解量子薛定谔方程。然而,这些计算的准确性受到计算机能力的限制。在这项工作中,引入了一种迭代方法来提高这些数值计算的准确性,否则传统方法是不可行的。该方法易于实现且适用于许多系统。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/65ed941c8592/srep41263-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/ef1bdab5869a/srep41263-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/8bd61b57a95f/srep41263-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/b612319c6ebd/srep41263-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/8916dca51bb9/srep41263-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/cfa36ebc1cd7/srep41263-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/215056be6071/srep41263-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/65ed941c8592/srep41263-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/ef1bdab5869a/srep41263-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/8bd61b57a95f/srep41263-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/b612319c6ebd/srep41263-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/8916dca51bb9/srep41263-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/cfa36ebc1cd7/srep41263-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/215056be6071/srep41263-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c341/5259781/65ed941c8592/srep41263-f7.jpg

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