National Changhua University of Education Institutional Repository : Item 987654321/14333
English  |  正體中文  |  简体中文  |  全文笔数/总笔数 : 6507/11669
造访人次 : 29913649      在线人数 : 299
RC Version 3.2 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜寻范围 进阶搜寻

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ir.ncue.edu.tw/ir/handle/987654321/14333

题名: New Insights into Uniformly Accelerated Detector in a Quantum Field
作者: Lin, Shi-Yuun;Hu, B. L.
贡献者: 物理學系
关键词: Unruh effect;Time-dependent perturbation theory;Radiation theory
日期: 2007
上传时间: 2012-10-25T08:26:18Z
出版者: SpringerLink
摘要: We obtained an exact solution for a uniformly accelerated Unruh–DeWitt
detector interacting with a massless scalar field in (3+1) dimensions which
enables us to study the entire evolution of the total system, from the initial
transient to late-time steady state. We find that the conventional transition
probability of the detector from its initial ground state to excited states, as
derived from time-dependent perturbation theory over an infinitely long duration
of interaction, is valid only in the transient stage and is invalid for cases
with proper acceleration smaller than the damping constant. We also found
that, unlike in (1+1)D results, the (3+1)D uniformly accelerated Unruh–
DeWitt detector in a steady state does emit a positive radiated power of quantum
nature at late-times, but it is not connected to the thermal radiance experienced
by the detector in the Unruh effect proper.
關聯: Found. Phys., 37(4-5): 480-490
显示于类别:[物理學系] 期刊論文

文件中的档案:

档案 大小格式浏览次数
index.html0KbHTML596检视/开启


在NCUEIR中所有的数据项都受到原著作权保护.

 

DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - 回馈