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Quantum Cherenkov radiation and noncontact friction

Abstract:

We present a number of arguments to demonstrate that a quantum analog of the Cherenkov effect occurs when two nondispersive half spaces are in relative motion. We show that they experience friction beyond a threshold velocity which, in their center-of-mass frame, is the phase speed of light within their medium, and the loss in mechanical energy is radiated through the medium before getting fully absorbed in the form of heat. By deriving various correlation functions inside and outside the two...

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Publisher copy:
10.1103/PhysRevA.88.042509

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Physical Review A - Atomic, Molecular, and Optical Physics
Volume:
88
Issue:
4
Publication date:
2013-10-21
DOI:
EISSN:
1094-1622
ISSN:
1050-2947
Source identifiers:
439723
Language:
English
Pubs id:
pubs:439723
UUID:
uuid:39d2da0b-0552-4292-a8df-f32372efc433
Local pid:
pubs:439723
Deposit date:
2013-12-13

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