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research article

A functional approach to the numerical conformal bootstrap

Paulos, Miguel F.
•
Zan, Bernardo  
September 1, 2020
Journal of High Energy Physics

We apply recently constructed functional bases to the numerical conformal bootstrap for 1D CFTs. We argue and show that numerical results in this basis converge much faster than the traditional derivative basis. In particular, truncations of the crossing equation with even a handful of components can lead to extremely accurate results, in opposition to hundreds of components in the usual approach. We explain how this is a consequence of the functional basis correctly capturing the asymptotics of bound-saturating extremal solutions to crossing. We discuss how these methods can and should be implemented in higher dimensional applications.

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Type
research article
DOI
10.1007/JHEP09(2020)006
Web of Science ID

WOS:000568872500004

Author(s)
Paulos, Miguel F.
Zan, Bernardo  
Date Issued

2020-09-01

Publisher

Springer Nature

Published in
Journal of High Energy Physics
Issue

9

Start page

6

Subjects

Physics, Particles & Fields

•

Physics

•

conformal field theory

•

field theories in lower dimensions

•

nonperturbative effects

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPTP  
Available on Infoscience
September 30, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/172007
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