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QED as the tensionless limit of the spinning string with contact interaction.

Edwards, James P. and Mansfield, Paul (2015) 'QED as the tensionless limit of the spinning string with contact interaction.', Physics letters B., 746 . pp. 335-340.


QED with spinor matter is argued to correspond to the tensionless limit of spinning strings with contact interactions. The strings represent electric lines of force with charges at their ends. The interaction is constructed from a delta-function on the world-sheet which, although off-shell, decouples from the world-sheet metric. Integrating out the string degrees of freedom with fixed boundary generates the super-Wilson loop that couples spinor matter to electromagnetism in the world-line formalism. World-sheet and world-line, but not spacetime, supersymmetry underpin the model.

Item Type:Article
Keywords:Quantum electrodynamics, String theory, Tensionless limit.
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Available under License - Creative Commons Attribution.
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Publisher statement:© 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license ( Funded by SCOAP3.
Date accepted:11 May 2015
Date deposited:22 July 2015
Date of first online publication:14 May 2015
Date first made open access:No date available

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