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Scattering amplitudes in Lifshitz spacetime.

Andrade, T. and Ross, Simon F. and Lei, Y. (2014) 'Scattering amplitudes in Lifshitz spacetime.', Classical and quantum gravity., 31 (21). p. 215002.

Abstract

We consider the calculation of scattering amplitudes in field theories dual to Lifshitz spacetimes. These amplitudes provide an interesting probe of the IR structure of the field theory; our aim is to use them to explore the observable consequences of the singularity in the spacetime. We assume the amplitudes can be related by T-duality to a Wilson loop, as in the AdS case, and determine the bulk minimal surfaces for the simplest cusp Wilson loop. We use this to determine the leading IR singularity in the amplitude. We find there is a stronger IR singularity for z > 1 than for z = 1, with a coefficient that vanishes as z → 1.

Item Type:Article
Keywords:Holography, Lifshitz, Amplitudes.
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1088/0264-9381/31/21/215002
Publisher statement:© 2014 IOP Publishing Ltd. This is an author-created, un-copyedited version of an article accepted for publication in Classical and quantum gravity. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/0264-9381/31/21/215002.
Date accepted:No date available
Date deposited:17 October 2014
Date of first online publication:November 2014
Date first made open access:No date available

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