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Amplitudes for left-handed strings

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arxiv 1512.02569 v2 pith:ZB22ET7Y submitted 2015-12-08 hep-th

Amplitudes for left-handed strings

W. Siegel This is my paper
classification hep-th
keywords amplitudeslimitarisegaugeleft-handedmason-skinnerstringstring-like
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider a class of string-like models introduced previously where all modes are left-handed, all states are massless, T-duality is manifest, and only a finite number of orders in the string tension can appear. These theories arise from standard string theories by a singular gauge limit and associated change in worldsheet boundary conditions. In this paper we show how to calculate amplitudes by using the gauge parameter as an infrared regulator. The amplitudes produce the Cachazo-He-Yuan delta-functions after some modular integration; the Mason-Skinner string-like action and amplitudes arise from the zero-tension (infinite-slope) limit. However, without the limit the amplitudes have the same problems as found in the Mason-Skinner formalism.

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Cited by 3 Pith papers

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