OPTIMAL QUANTUM TRAJECTORIES FOR CONTINUOUS MEASUREMENT

被引：23

作者：

BRESLIN, JK ^{[1
]}

MILBURN, GJ ^{[1
]}

WISEMAN, HM ^{[1
]}

机构：

[1] UNIV AUCKLAND,DEPT PHYS,AUCKLAND,NEW ZEALAND

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.74.4827

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We define an ideal optimal quantum measurement as that measurement on the apparatus for which the average algorithmic information in the measurement record is minimized. We apply the definition to a chaotic system subject to continuous (Markov) quantum nondemolition measurements. For optimized measurements the average information in the record is much closer to the von Neumann entropy than in the nonoptimized case, but increases more quickly in the chaotic region than in the regular region. © 1995 The American Physical Society.

引用

页码：4827 / 4830

页数：4

共 19 条

[1] MEASUREMENT THEORY AND STOCHASTIC DIFFERENTIAL-EQUATIONS IN QUANTUM-MECHANICS
BARCHIELLI, A
[J]. PHYSICAL REVIEW A, 1986, 34 (03): : 1642 - 1649
[2] BARNUM H, IN PRESS
[3] A CONTINUOUS COUNTING OBSERVATION AND POSTERIOR QUANTUM DYNAMICS
BELAVKIN, VP
[J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1989, 22 (23): : L1109 - L1114
[4] CARMICHAEL HJ, 1993, LECTURE NOTES PHYS M, V18
[5] QUANTUM-MECHANICAL MODEL FOR CONTINUOUS POSITION MEASUREMENTS
CAVES, CM
MILBURN, GJ
[J]. PHYSICAL REVIEW A, 1987, 36 (12): : 5543 - 5555
[6] INFORMATION AND ENTROPY
CAVES, CM
[J]. PHYSICAL REVIEW E, 1993, 47 (06): : 4010 - 4017
[7] DIOSI L, 1986, PHSY LETT A, V114, P20
[8] QUANTUM ZENO EFFECT INDUCED BY QUANTUM-NONDEMOLITION MEASUREMENT OF PHOTON NUMBER
GAGEN, MJ
MILBURN, GJ
[J]. PHYSICAL REVIEW A, 1992, 45 (07): : 5228 - 5236
[9] Gardiner CW., 1991, QUANTUM NOISE
[10] A COMPLETE CLASSIFICATION OF QUANTUM ENSEMBLES HAVING A GIVEN DENSITY-MATRIX
HUGHSTON, LP
JOZSA, R
WOOTTERS, WK
[J]. PHYSICS LETTERS A, 1993, 183 (01) : 14 - 18

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