QUANTUM RANDOM-WALKS

被引：1297

作者：

AHARONOV, Y

DAVIDOVICH, L

ZAGURY, N

机构：

[1] UNIV S CAROLINA, DEPT PHYS, COLUMBIA, SC 29208 USA

[2] TEL AVIV UNIV, SCH PHYS & ASTRON, IL-69978 TEL AVIV, ISRAEL

[3] PONTIFICIA UNIV CATOLICA, DEPT FIS, BR-22453 RIO DE JANEIRO, BRAZIL

[4] UNIV NEW MEXICO, DEPT PHYS & ASTRON, ALBUQUERQUE, NM 87131 USA

来源：

PHYSICAL REVIEW A | 1993年 / 48卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.48.1687

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We introduce the concept of quantum random walk, and show that due to quantum interference effects the average path length can be much larger than the maximum allowed path in the corresponding classical random walk. A quantum-optics application is described.

引用

收藏

页码：1687 / 1690

页数：4

相关论文

共 13 条

[1] SUPERPOSITIONS OF TIME EVOLUTIONS OF A QUANTUM SYSTEM AND A QUANTUM TIME-TRANSLATION MACHINE [J].

AHARONOV, Y ;

ANANDAN, J ;

POPESCU, S ;

VAIDMAN, L .

PHYSICAL REVIEW LETTERS, 1990, 64 (25) :2965-2968

[2] HOW THE RESULT OF A MEASUREMENT OF A COMPONENT OF THE SPIN OF A SPIN-1/2 PARTICLE CAN TURN OUT TO BE 100 [J].

AHARONOV, Y ;

ALBERT, DZ ;

VAIDMAN, L .

PHYSICAL REVIEW LETTERS, 1988, 60 (14) :1351-1354

[3] PROPERTIES OF A QUANTUM SYSTEM DURING THE TIME INTERVAL BETWEEN 2 MEASUREMENTS [J].

AHARONOV, Y ;

VAIDMAN, L .

PHYSICAL REVIEW A, 1990, 41 (01) :11-20

[4] REALIZATION OF A 2-PHOTON MASER OSCILLATOR [J].

BRUNE, M ;

RAIMOND, JM ;

GOY, P ;

DAVIDOVICH, L ;

HAROCHE, S .

PHYSICAL REVIEW LETTERS, 1987, 59 (17) :1899-1902

[5] COHERENT AND INCOHERENT STATES OF RADIATION FIELD [J].

GLAUBER, RJ .

PHYSICAL REVIEW, 1963, 131 (06) :2766-+

[6] QUANTUM THEORY OF OPTICAL COHERENCE [J].

GLAUBER, RJ .

PHYSICAL REVIEW, 1963, 130 (06) :2529-&

[7] WEAK MEASUREMENT OF PHOTON POLARIZATION [J].

KNIGHT, JM ;

VAIDMAN, L .

PHYSICS LETTERS A, 1990, 143 (08) :357-361

[8] ONE-ATOM MASER [J].

MESCHEDE, D ;

WALTHER, H ;

MULLER, G .

PHYSICAL REVIEW LETTERS, 1985, 54 (06) :551-554

[9] REPEATED QUANTUM MEASUREMENTS ON A SINGLE-HARMONIC OSCILLATOR [J].

MEYSTRE, P .

OPTICS LETTERS, 1987, 12 (09) :669-671

[10] MEASUREMENTS-INDUCED DYNAMICS OF A MICROMASER [J].

MEYSTRE, P ;

WRIGHT, EM .

PHYSICAL REVIEW A, 1988, 37 (07) :2524-2529