Converting mixed states into physically equivalent pure state by the IWOP method

ZHAN De-hui1; LU Dao-ming1; FAN Hong-yi2

doi:10.16854 /j.cnki.1000-0712.170730

College Physics >

2018 , Vol. 37 >Issue 9: 1 - 3

DOI: https://doi.org/10.16854 /j.cnki.1000-0712.170730

Converting mixed states into physically equivalent pure state by the IWOP method

ZHAN De-hui1 ,
LU Dao-ming1 ,
FAN Hong-yi2

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1. College of Mechanic and Electronic Engineering，Wuyi University，Wuyishan，Fujian 354300，China; 2. Department of Material Science and Engineering，University of Science and Technology of China，Hefei，Anhui 230026，China

Received date: 2017-12-28

Revised date: 2018-03-06

Online published: 2018-09-20

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Abstract

We propose the IWOP method to convert mixed states into physically equivalent pure state，this not only brings some new explanation for the states，but also simplify the ensemble average calculation.

Key words： mixed states; pure state; density operator

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ZHAN De-hui1 , LU Dao-ming1 , FAN Hong-yi2 . Converting mixed states into physically equivalent pure state by the IWOP method[J]. College Physics, 2018 , 37(9) : 1 -3 . DOI: 10.16854 /j.cnki.1000-0712.170730

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