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The SAGEX review on scattering amplitudes chapter 6: ambitwistor strings and amplitudes from the worldsheet

Abstract:

Starting with Witten's twistor string, chiral string theories have emerged that describe field theory amplitudes without the towers of massive states of conventional strings. These models are known as ambitwistor strings due to their target space; the space of complexified null geodesics, also called ambitwistor space. Correlators in these string theories directly yield compact formulæ for tree-level amplitudes and loop integrands, in the form of worldsheet integrals fully localized on...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/1751-8121/ac8190

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Role:
Author
ORCID:
0000-0002-2504-0127
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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Oxford college:
St Peter's College
Role:
Author
ORCID:
0000-0003-2464-6730
Publisher:
IOP Publishing
Journal:
Journal of Physics A: Mathematical and Theoretical More from this journal
Volume:
55
Issue:
44
Article number:
443007
Publication date:
2022-11-30
Acceptance date:
2022-07-15
DOI:
EISSN:
1751-8121
ISSN:
1751-8113
Language:
English
Keywords:
Pubs id:
1312176
Local pid:
pubs:1312176
Deposit date:
2022-12-09

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