Dynamical origin of the quantum Zeno effect |
| |
Authors: | Saverio Pascazio |
| |
Institution: | (1) Departimento di Fisica, Università di Bari, I-70126 Bari, Italy;(2) Istituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, Italy |
| |
Abstract: | The quantum Zeno effect is often studied and understood in term of nonunitary evolutions, involving projections à la von Neumann
(measurements). We propose a dynamical explanation of this effect, which involves only unitary operators. The limit of infinitely
frequent measurements is critically discussed: it is unphysical, yet interesting and peculiar. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|