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Six open string disk amplitude in pure spinor superspace

Six open string disk amplitude in pure spinor superspace
Six open string disk amplitude in pure spinor superspace
The tree-level amplitude of six massless open strings is computed using the pure spinor formalism. The OPE poles among integrated and unintegrated vertices can be efficiently organized according to the cohomology of pure spinor superspace. The identification and use of these BRST structures and their interplay with the system of equations fulfilled by the generalized Euler integrals allow the full supersymmetric six-point amplitude to be written in compact form. Furthermore, the complete set of extended Bern-Carrasco-Johansson relations are derived from the monodromy properties of the disk world-sheet and explicitly verified for the supersymmetric numerator factors.
hep-th, math.NT
359-393
Mafra, Carlos R.
5a40c14f-0ddb-4c0c-9ce5-acabc537cd01
Schlotterer, Oliver
d30fbe50-b9eb-489a-ad79-0dd212ef4e0e
Stieberger, Stephan
a3da2799-d98f-4a2c-a1a6-0e9a68d70e61
Tsimpis, Dimitrios
b49f6b8f-12e2-4782-a441-6ef5226366b1
Mafra, Carlos R.
5a40c14f-0ddb-4c0c-9ce5-acabc537cd01
Schlotterer, Oliver
d30fbe50-b9eb-489a-ad79-0dd212ef4e0e
Stieberger, Stephan
a3da2799-d98f-4a2c-a1a6-0e9a68d70e61
Tsimpis, Dimitrios
b49f6b8f-12e2-4782-a441-6ef5226366b1

Mafra, Carlos R., Schlotterer, Oliver, Stieberger, Stephan and Tsimpis, Dimitrios (2011) Six open string disk amplitude in pure spinor superspace. Nuclear Physics B, 359-393. (doi:10.1016/j.nuclphysb.2011.01.008).

Record type: Article

Abstract

The tree-level amplitude of six massless open strings is computed using the pure spinor formalism. The OPE poles among integrated and unintegrated vertices can be efficiently organized according to the cohomology of pure spinor superspace. The identification and use of these BRST structures and their interplay with the system of equations fulfilled by the generalized Euler integrals allow the full supersymmetric six-point amplitude to be written in compact form. Furthermore, the complete set of extended Bern-Carrasco-Johansson relations are derived from the monodromy properties of the disk world-sheet and explicitly verified for the supersymmetric numerator factors.

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1011.0994v2 - Accepted Manuscript
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More information

e-pub ahead of print date: 14 January 2011
Additional Information: 44pp, harvmac; v2: Final version to appear in NPB
Keywords: hep-th, math.NT

Identifiers

Local EPrints ID: 434999
URI: https://eprints.soton.ac.uk/id/eprint/434999
PURE UUID: e6830d96-a6c1-4c18-af1e-218821908888
ORCID for Carlos R. Mafra: ORCID iD orcid.org/0000-0001-9842-9654

Catalogue record

Date deposited: 17 Oct 2019 16:30
Last modified: 22 Oct 2019 00:35

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