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Difference between Hawking and Unruh radiation derived from studies about pair production by lasers in vacuum

Published online by Cambridge University Press:  28 November 2006

TIMOTHY STAIT-GARDNER  and
REYNALDO CASTILLO
TIMOTHY STAIT-GARDNER
Affiliation:
Nanoscale Organisation and Dynamics Group, University of Western Sydney, Sydney, Australia
REYNALDO CASTILLO
Affiliation:
Nanoscale Organisation and Dynamics Group, University of Western Sydney, Sydney, Australia Nanoscale Organisation and Dynamics Group, University of Western Sydney, Sydney, Australia and School of Engineering, Diego Portales University, Santiago, Chile
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Abstract

Laser acceleration of electrons in laser fields of intensities above 1028 W/cm2 were found to be in the same range as acceleration at the surface of black holes, where the laser intensities are in the range of pair production in vacuum due to vacuum polarization. The results in connection with the black holes arrived at similarities to the Hawking and Unruh radiation. We present here results based on the thermodynamics of the vacuum fluctuations that there is a difference between Hawking and Unruh effects in connection with the Casimir effect in view of the vacuum properties for laser produced pairs in a vacuum.

Keywords

CasimirThermodynamicUnruh
Type
Research Article
Information
Laser and Particle Beams , Volume 24 , Issue 4 , October 2006 , pp. 579 - 603
Copyright
© 2006 Cambridge University Press

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