Feedback control on geometric phase in dissipative two-level systems

被引：12

作者：

Sun, H. Y. ^{[1
]}

Shu, P. L. ^{[1
]}

Li, C. ^{[1
]}

Yi, X. X. ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China

来源：

PHYSICAL REVIEW A | 2009年 / 79卷 / 02期

关键词：

Berry phase; feedback; geometry; quantum computing; QUANTUM KINEMATIC APPROACH; STATES; COMPUTATION;

D O I：

10.1103/PhysRevA.79.022119

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The effect of feedback on a two-level dissipative system is studied in this paper. The results show that it is possible to control the phase in the open system even if its state cannot be manipulated from an arbitrary initial one to an arbitrary final one. The dependence of the geometric phase on the control parameters is calculated and discussed.

引用

页数：4

共 48 条

[1]

AGHARONOV Y, 1987, PHYS REV LETT, V58, P1593, DOI DOI 10.1103/PHYSREVLETT.58.1593

[2]

ANADAN J, 2002, PHYS REV LETT, V89, P8902, DOI DOI 10.1103/PHYSREVLETT.89.268902

[3] QUANTAL PHASE-FACTORS ACCOMPANYING ADIABATIC CHANGES [J].

BERRY, MV .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1984, 392 (1802) :45-57

[4] Singularities of the mixed state phase [J].

Bhandari, R .

PHYSICAL REVIEW LETTERS, 2002, 89 (26)

[5] Geometric phase in open systems [J].

Carollo, A ;

Fuentes-Guridi, I ;

Santos, MF ;

Vedral, V .

PHYSICAL REVIEW LETTERS, 2003, 90 (16)

[6] Stabilizing entanglement by quantum-jump-based feedback [J].

Carvalho, A. R. R. ;

Hope, J. J. .

PHYSICAL REVIEW A, 2007, 76 (01)

[7] Geometric manipulation of trapped ions for quantum computation [J].

Duan, LM ;

Cirac, JI ;

Zoller, P .

SCIENCE, 2001, 292 (5522) :1695-1697

[8] Geometric quantum computation [J].

Ekert, Artur ;

Ericsson, Marie ;

Hayden, Patrick ;

Inamori, Hitoshi ;

Jones, Jonathan A. ;

Oi, Daniel K.L. ;

Vedral, Vlatko .

2000, Taylor and Francis Ltd. (47) :14-15

[9] Generalization of the geometric phase to completely positive maps -: art. no. 020101 [J].

Ericsson, M ;

Sjöqvist, E ;

Brännlund, J ;

Oi, DKL ;

Pati, AK .

PHYSICAL REVIEW A, 2003, 67 (02) :4

[10] Detection of geometric phases in superconducting nanocircuits [J].

Falci, G ;

Fazio, R ;

Palma, GM ;

Siewert, J ;

Vedral, V .

NATURE, 2000, 407 (6802) :355-358

← 1 2 3 4 5 →