Universal dynamical control of quantum mechanical decay: Modulation of the coupling to the continuum

被引:246
作者
Kofman, AG [1 ]
Kurizki, G [1 ]
机构
[1] Weizmann Inst Sci, Dept Chem Phys, IL-76100 Rehovot, Israel
关键词
D O I
10.1103/PhysRevLett.87.270405
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We derive and investigate an expression for the dynamically modified decay of states coupled to an arbitrary continuum. This expression is universally valid for weak temporal perturbations. The resulting insights can serve as useful recipes for optimized control of decay and decoherence.
引用
收藏
页码:270405 / 270405
页数:4
相关论文
共 28 条
[1]   Accelerating decay by multiple 2π pulses -: art. no. 044101 [J].
Agarwal, GS ;
Scully, MO ;
Walther, H .
PHYSICAL REVIEW A, 2001, 63 (04) :1-3
[2]   Inhibition of decoherence due to decay in a continuum [J].
Agarwal, GS ;
Scully, MO ;
Walther, H .
PHYSICAL REVIEW LETTERS, 2001, 86 (19) :4271-4274
[3]   Control of decoherence and relaxation by frequency modulation of a heat bath [J].
Agarwal, GS .
PHYSICAL REVIEW A, 2000, 61 (01) :5
[4]   Quantum computing using dissipation to remain in a decoherence-free subspace [J].
Beige, A ;
Braun, D ;
Tregenna, B ;
Knight, PL .
PHYSICAL REVIEW LETTERS, 2000, 85 (08) :1762-1765
[5]   WHAT ARE QUANTUM JUMPS [J].
COOK, RJ .
PHYSICA SCRIPTA, 1988, T21 :49-51
[6]   PHOTODETACHMENT OF AN ELECTRON FROM A NEGATIVE-ION IN THE NEAR-THRESHOLD REGION .2. PULSES OF RADIATION WITH SMOOTH TIME ENVELOPES [J].
FEDOROV, MV ;
KAZAKOV, AE .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1983, 16 (19) :3653-3666
[7]   Observation of the quantum Zeno and anti-Zeno effects in an unstable system -: art. no. 040402 [J].
Fischer, MC ;
Gutiérrez-Medina, B ;
Raizen, MG .
PHYSICAL REVIEW LETTERS, 2001, 87 (04) :40402-1
[8]   QUANTUM FOUNDATIONS OF EXPONENTIAL DECAY LAW [J].
FONDA, L ;
GHIRARDI, GC ;
RIMINI, A ;
WEBER, T .
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS, 1973, A 15 (04) :689-704
[9]   Measurements with a noninvasive detector and dephasing mechanism [J].
Gurvitz, SA .
PHYSICAL REVIEW B, 1997, 56 (23) :15215-15223
[10]   QUANTUM ZENO EFFECT [J].
ITANO, WM ;
HEINZEN, DJ ;
BOLLINGER, JJ ;
WINELAND, DJ .
PHYSICAL REVIEW A, 1990, 41 (05) :2295-2300