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Differential equations for loop integrals in Baikov representation

Differential equations for loop integrals in Baikov representation
Differential equations for loop integrals in Baikov representation

We present a proof that differential equations for Feynman loop integrals can always be derived in Baikov representation without involving dimension-shift identities. We moreover show that in a large class of two- and three-loop diagrams it is possible to avoid squared propagators in the intermediate steps of setting up the differential equations.

2470-0010
1-13
Bosma, Jorrit
3e8a4a66-e21a-4ab1-bea8-7745d73411a1
Larsen, Kasper J.
49008353-d8ca-4de6-a377-e34ba737a3e7
Zhang, Yang
b165d56f-015b-4295-bbf4-72438baec173
Bosma, Jorrit
3e8a4a66-e21a-4ab1-bea8-7745d73411a1
Larsen, Kasper J.
49008353-d8ca-4de6-a377-e34ba737a3e7
Zhang, Yang
b165d56f-015b-4295-bbf4-72438baec173

Bosma, Jorrit, Larsen, Kasper J. and Zhang, Yang (2018) Differential equations for loop integrals in Baikov representation. Physical Review D, 97 (10), 1-13, [105014]. (doi:10.1103/PhysRevD.97.105014).

Record type: Article

Abstract

We present a proof that differential equations for Feynman loop integrals can always be derived in Baikov representation without involving dimension-shift identities. We moreover show that in a large class of two- and three-loop diagrams it is possible to avoid squared propagators in the intermediate steps of setting up the differential equations.

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PhysRevD.97.105014
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e-pub ahead of print date: 15 May 2018

Identifiers

Local EPrints ID: 421678
URI: http://eprints.soton.ac.uk/id/eprint/421678
ISSN: 2470-0010
PURE UUID: e392449c-a8cb-4e18-b0bb-f22ca796db5f

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Date deposited: 21 Jun 2018 16:30
Last modified: 17 Mar 2024 12:06

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Contributors

Author: Jorrit Bosma
Author: Kasper J. Larsen
Author: Yang Zhang

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