Transition to classical behavior in mesoscopic magnetic systems and quantum decoherence

被引：0

作者：

Makhro, VV ^{[1
]}

Padamanov, YA ^{[1
]}

机构：

[1] Moscow State Pedag Univ, Bratsk Ind Inst, Moscow, Russia

来源：

TECHNICAL PHYSICS LETTERS | 1999年 / 25卷 / 08期

关键词：

D O I：

10.1134/1.1262580

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A mesoscopic CrNi6 system is used to demonstrate the possibility of transitions from quantum to classical behavior in thermally stimulated tunneling processes. The main mechanism responsible for these transitions is assumed to be quantum decoherence produced as a result of thermal interaction between the spin system and its neighborhood. Results are presented of calculations of the disruption probability for a mesoscopic system as a function of temperature. It is shown that the main characteristic which can reveal the decoherence effect is the nonmonotonic behavior of the disruption probability at low temperatures. (C) 1999 American Institute of Physics. [S1063-7850(99)01608-0].

引用

页码：633 / 634

页数：2

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