corner
corner
APS » Journals » Phys. Rev. Lett. » Volume 93 » Issue 14
< Previous Article | Next Article >

Phys. Rev. Lett. 93, 140404 (2004) [4 pages]

Finite-Time Disentanglement Via Spontaneous Emission

Download: PDF (273 kB) Buy this article Export: BibTeX or EndNote (RIS)

Ting Yu* and J. H. Eberly†
Rochester Theory Center for Optical Science and Engineering and the Department of Physics & Astronomy University of Rochester, Rochester, New York 14627, USA

Received 24 April 2004; published 29 September 2004

We show that under the influence of pure vacuum noise two entangled qubits become completely disentangled in a finite-time, and in a specific example we find the time to be given by ln⁡(2+√2/2) times the usual spontaneous lifetime.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.140404
DOI:
10.1103/PhysRevLett.93.140404
PACS:
03.65.Yz, 03.65.Ta, 03.65.Ud, 42.50.Lc

*Electronic address: ting@pas.rochester.edu

†Electronic address: eberly@pas.rochester.edu

 
< Previous Article | Next Article >