|
| related topics |
| {force, casimir, field} |
| {energy, gaussian, time} |
| {temperature, thermal, energy} |
| {cavity, atom, atoms} |
| {field, particle, equation} |
| {time, decoherence, evolution} |
| {state, states, coherent} |
| {operator, operators, space} |
| {time, wave, function} |
| {photon, photons, single} |
| {equation, function, exp} |
| {light, field, probe} |
| {measurement, state, measurements} |
| {cos, sin, state} |
|
Quantum radiation at finite temperature
Ralf Schützhold, Günter Plunien, Gerhard Soff
abstract: We investigate the phenomenon of quantum radiation - i.e. the conversion of
(virtual) quantum fluctuations into (real) particles induced by dynamical
external conditions - for an initial thermal equilibrium state. For a
resonantly vibrating cavity a rather strong enhancement of the number of
generated particles (the dynamical Casimir effect) at finite temperatures is
observed. Furthermore we derive the temperature corrections to the energy
radiated by a single moving mirror and an oscillating bubble within a
dielectric medium as well as the number of created particles within the
Friedmann-Robertson-Walker universe. Possible implications and the relevance
for experimental tests are addressed. PACS: 42.50.Lc, 03.70.+k, 11.10.Ef,
11.10.Wx.
- oai_identifier:
- oai:arXiv.org:quant-ph/0105118
- categories:
- quant-ph
- comments:
- 16 pages RevTeX
- arxiv_id:
- quant-ph/0105118
- created:
- 2001-05-23
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