Information erasure in quantum systems

被引：19

作者：

Anderson, Neal G. ^{[1
]}

机构：

[1] Univ Massachusetts, Dept Elect & Comp Engn, Amherst, MA 01003 USA

来源：

PHYSICS LETTERS A | 2008年 / 372卷 / 34期

基金：

美国国家科学基金会;

关键词：

information erasure; Landauer's Principle; quantum correlations;

D O I：

10.1016/j.physleta.2008.06.081

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The physical cost of information erasure is considered within a new approach that regards erasure as loss of correlation between the state of an erasable quantum system and that of an enduring "referent" system holding classical information. A physical model of information erasure built on this referential picture is described in detail, and lower bounds on entropic and energetic costs are obtained from quantum dynamics and entropic inequalities alone. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：5552 / 5555

页数：4

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