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unruh

Laser and Particle Beams (1)

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Difference between Hawking and Unruh radiation derived from studies about pair production by lasers in vacuum
TIMOTHY STAIT-GARDNER, REYNALDO CASTILLO
Journal:

Laser and Particle Beams / Volume 24 / Issue 4 / October 2006

Published online by Cambridge University Press:

28 November 2006, pp. 579-603
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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.