DECOHERENCE, CONTINUOUS OBSERVATION, AND QUANTUM COMPUTING - A CAVITY QED MODEL

被引：705

作者：

PELLIZZARI, T

GARDINER, SA

CIRAC, JI

ZOLLER, P

机构：

[1] Institut für Theoretische Physik, Universität Innsbruck

[2] Departamento de Fisica, Universidad de Castilla-La Mancha

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.75.3788

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We use the theory of continuous measurement to analyze the effects of decoherence on a realistic model of a quantum computer based on cavity QED. We show how decoherence affects the computation, and methods to prevent it.

引用

页码：3788 / 3791

页数：4

共 24 条

[1] MEASUREMENTS CONTINUOUS IN TIME AND A-POSTERIORI STATES IN QUANTUM-MECHANICS [J].

BARCHIELLI, A ;

BELAVKIN, VP .

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1991, 24 (07) :1495-1514

[2] CONDITIONAL QUANTUM DYNAMICS AND LOGIC GATES [J].

BARENCO, A ;

DEUTSCH, D ;

EKERT, A ;

JOZSA, R .

PHYSICAL REVIEW LETTERS, 1995, 74 (20) :4083-4086

[3]

BLATT R, 1995, 14TH P INT C AT PHYS, P219

[4]

CHUANG IS, UNPUB

[5] QUANTUM COMPUTATIONS WITH COLD TRAPPED IONS [J].

CIRAC, JI ;

ZOLLER, P .

PHYSICAL REVIEW LETTERS, 1995, 74 (20) :4091-4094

[6]

Coppersmith Don, 1994, RC19642 IBM

[7] 2-BIT GATES ARE UNIVERSAL FOR QUANTUM COMPUTATION [J].

DIVINCENZO, DP .

PHYSICAL REVIEW A, 1995, 51 (02) :1015-1022

[8]

DOMOKOS P, UNPUB

[9]

Ekert A., 1994, 14TH P INT C AT PHYS, V14, P450

[10] BELL THEOREM WITHOUT INEQUALITIES [J].

GREENBERGER, DM ;

HORNE, MA ;

SHIMONY, A ;

ZEILINGER, A .

AMERICAN JOURNAL OF PHYSICS, 1990, 58 (12) :1131-1143

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