Delocalization in the Anderson model due to a local measurement

被引：50

作者：

Gurvitz, SA ^{[1
]}

机构：

[1] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.85.812

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study a one-dimensional Anderson model in which one site interacts with a detector monitoring the occupation of that site. We demonstrate that such an interaction, no matter how weak, leads to total delocalization of the Anderson model, and we discuss the experimental consequences.

引用

页码：812 / 815

页数：4

共 15 条

[1] TUNNELLING FROM A MANY-PARTICLE POINT OF VIEW [J].

BARDEEN, J .

PHYSICAL REVIEW LETTERS, 1961, 6 (02) :57-&

[2] DYNAMIC LOCALIZATION IN THE MICROWAVE INTERACTION OF RYDBERG ATOMS - THE INFLUENCE OF NOISE [J].

BLUMEL, R ;

BUCHLEITNER, A ;

GRAHAM, R ;

SIRKO, L ;

SMILANSKY, U ;

WALTHER, H .

PHYSICAL REVIEW A, 1991, 44 (07) :4521-4540

[3]

Cohen-Tannoudji J. D.-R. C., 1992, ATOM PHOTON INTERACT

[4] CONTINUOUS QUANTUM MEASUREMENTS AND CHAOS [J].

DITTRICH, T ;

GRAHAM, R .

PHYSICAL REVIEW A, 1990, 42 (08) :4647-4660

[5] Effect of measurement on the decay rate of a quantum system [J].

Elattari, B ;

Gurvitz, SA .

PHYSICAL REVIEW LETTERS, 2000, 84 (10) :2047-2051

[6] Measurement-induced quantum diffusion [J].

Facchi, P ;

Pascazio, S ;

Scardicchio, A .

PHYSICAL REVIEW LETTERS, 1999, 83 (01) :61-64

[7] Diffusion in disordered systems under iterative measurement [J].

Flores, JC .

PHYSICAL REVIEW B, 1999, 60 (01) :30-32

[8] QUANTUM ZENO EFFECT WITHOUT COLLAPSE OF THE WAVE PACKET [J].

FRERICHS, V ;

SCHENZLE, A .

PHYSICAL REVIEW A, 1991, 44 (03) :1962-1968

[9] Microscopic derivation of rate equations for quantum transport [J].

Gurvitz, SA ;

Prager, YS .

PHYSICAL REVIEW B, 1996, 53 (23) :15932-15943

[10] Measurements with a noninvasive detector and dephasing mechanism [J].

Gurvitz, SA .

PHYSICAL REVIEW B, 1997, 56 (23) :15215-15223

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