Testing quantum mechanics in non-Minkowski space-time with high power lasers and 4th generation light sources

SCIENTIFIC REPORTS | Nature Publishing Group | ARTICLE OPEN

Testing quantum mechanics in non-Minkowski space-time with high power lasers and 4^th generation light sources

Authors

B. J. B. Crowley, R. Bingham, R. G. Evans, D. O. Gericke, O. L. Landen, C. D. Murphy, P. A. Norreys, S. J. Rose, Th. Tschentscher, C. H.-T Wang, J. S. Wark & G. Gregori

Affiliations

Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, UK

B. J. B. Crowley, C. D. Murphy, J. S. Wark & G. Gregori

AWE plc, Reading RG7 4PR, UK

B. J. B. Crowley

University of Strathclyde, Glasgow, G4 0NG, UK

R. Bingham

Rutherford Appleton Laboratory, Chilton, Didcot OX11 0QX, UK

R. Bingham, P. A. Norreys & G. Gregori

Department of Physics, Imperial College, London SW7 2BZ, UK

R. G. Evans, P. A. Norreys & S. J. Rose

Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry CV4 7AL, UK

D. O. Gericke

Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore CA 94551, USA

O. L. Landen

European XFEL GmbH, Albert-Einstein-Ring 19, 22671 Hamburg, Germany

Th Tschentscher

Department of Physics, University of Aberdeen, Aberdeen AB24 3UE, UK

C. H.-T Wang

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Scientific Reports 2, Article number: 491 doi:10.1038/srep00491

Received 11 April 2012 Accepted 11 May 2012 Published 04 July 2012

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A common misperception of quantum gravity is that it requires accessing energies up to the Planck scale of 10¹⁹ GeV, which is unattainable from any conceivable particle collider. Thanks to the development of ultra-high intensity optical lasers, very large accelerations can be now the reached at their focal spot, thus mimicking, by virtue of the equivalence principle, a non Minkowski space-time. Here we derive a semiclassical extension of quantum mechanics that applies to different metrics, but under the assumption of weak gravity. We use our results to show that Thomson scattering of photons by uniformly accelerated electrons predicts an observable effect depending upon acceleration and local metric. In the laboratory frame, a broadening of the Thomson scattered x ray light from a fourth generation light source can be used to detect the modification of the metric associated to electrons accelerated in the field of a high power optical laser.

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B. J. B. Crowley, R. Bingham, R. G. Evans, D. O. Gericke, O. L. Landen, C. D. Murphy, P. A. Norreys, S. J. Rose, Th Tschentscher, C. H.-T Wang, J. S. Wark, G. Gregori (2012).

Testing quantum mechanics in non-Minkowski space-time with high power lasers and 4th generation light sources

Scientific Reports DOI: 10.1038

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Testing quantum mechanics in non-Minkowski space-time with high power lasers and 4^th generation light sources