Controlling the decoherence of a ''meter'' via stroboscopic feedback

被引:86
作者
Vitali, D
Tombesi, P
Milburn, GJ
机构
[1] IST NAZL FIS MAT,CAMERINO,ITALY
[2] UNIV QUEENSLAND,DEPT PHYS,ST LUCIA,QLD 4072,AUSTRALIA
关键词
D O I
10.1103/PhysRevLett.79.2442
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We propose a simple modification of the experimental scheme employed by Brune rt ni. [Phys. Rev. Lett. 79, 4887 (1996)] for the generation and detection of a Schrodinger cat state, in which the decoherence of the cat state can be significantly slowed down using an appropriate feedback.
引用
收藏
页码:2442 / 2445
页数:4
相关论文
共 16 条
[11]   MACROSCOPIC COHERENCE VIA QUANTUM FEEDBACK [J].
TOMBESI, P ;
VITALI, D .
PHYSICAL REVIEW A, 1995, 51 (06) :4913-4917
[12]   EFFECT OF DISSIPATION ON QUANTUM COHERENCE [J].
WALLS, DF ;
MILBURN, GJ .
PHYSICAL REVIEW A, 1985, 31 (04) :2403-2408
[13]   QUANTUM-THEORY OF OPTICAL FEEDBACK VIA HOMODYNE DETECTION [J].
WISEMAN, HM ;
MILBURN, GJ .
PHYSICAL REVIEW LETTERS, 1993, 70 (05) :548-551
[14]   QUANTUM-THEORY OF CONTINUOUS FEEDBACK [J].
WISEMAN, HM .
PHYSICAL REVIEW A, 1994, 49 (03) :2133-2150
[15]   SQUEEZING VIA FEEDBACK [J].
WISEMAN, HM ;
MILBURN, GJ .
PHYSICAL REVIEW A, 1994, 49 (02) :1350-1366
[16]   DECOHERENCE AND THE TRANSITION FROM QUANTUM TO CLASSICAL [J].
ZUREK, WH .
PHYSICS TODAY, 1991, 44 (10) :36-44