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Phys. Rev. Lett. 83, 256–259 (1999)

Testing Unruh Radiation with Ultraintense Lasers

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Pisin Chen
Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309

Toshi Tajima
Department of Physics, University of Texas, Austin, Texas 78712

Received 26 March 1998; published in the issue dated 12 July 1999

We point out that using the state-of-the-art (or soon-to-be) intense electromagnetic pulses, violent accelerations that may be suitable for testing quantum field theory in curved spacetime can be realized through the interaction of a high-intensity laser with an electron. In particular, we demonstrate that the Unruh radiation is detectable, in principle, beyond the conventional radiation (most notably the Larmor radiation) background noise, by taking advantage of its specific dependence on the laser power and distinct character in spectral-angular distributions.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.256
DOI:
10.1103/PhysRevLett.83.256
PACS:
04.80.Cc, 52.40.Nk