Long-time memory in non-Markovian evolutions

被引：53

作者：

Chruscinski, Dariusz ^{[1
]}

Kossakowski, Andrzej ^{[1
,2
,3
]}

Pascazio, Saverio ^{[4
,5
]}

机构：

[1] Nicolaus Copernicus Univ, Inst Phys, PL-87100 Torun, Poland

[2] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy

[3] Univ Naples Federico II, MECENAS, I-80126 Naples, Italy

[4] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy

[5] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

来源：

PHYSICAL REVIEW A | 2010年 / 81卷 / 03期

关键词：

SUDDEN-DEATH; NEUTRINO OSCILLATIONS; DYNAMICAL SEMIGROUPS; MASTER-EQUATIONS; ENTANGLEMENT; DECOHERENCE; POSITIVITY; GENERATORS; SYSTEMS; STATES;

D O I：

10.1103/PhysRevA.81.032101

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

If the dynamics of an open quantum system is non-Markovian, its asymptotic state strongly depends on the initial conditions, even if the dynamics possesses an invariant state. This is the very essence of memory effects. In particular, the asymptotic state can remember and partially preserve its initial entanglement. Interestingly, even if the non-Markovian evolution relaxes to an equilibrium state, this state needs not be invariant. Therefore, the noninvariance of equilibrium becomes a clear sign of non-Markovianity.

引用

页数：6

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