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Path-integral complexity for perturbed CFTs

delete2018-07-12
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A
Arpan Bhattacharyya *
P
Paweł Caputa
S
Sumit R. Das
N
Nilay Kundu
M
Masamichi Miyaji
T
Tadashi Takayanagi
DOI:10.1007/JHEP07(2018)086delete
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Abstract

Abstract

En 中文
In this work, we formulate a path-integral optimization for two dimensional conformal field theories perturbed by relevant operators. We present several evidences how this optimization mechanism works, based on calculations in free field theories as well as general arguments of RG flows in field theories. Our optimization is performed by minimizing the path-integral complexity functional that depends on the metric and also on the relevant couplings. Then, we compute the optimal metric perturbatively and find that it agrees with the time slice of the hyperbolic metric perturbed by a scalar field in the AdS/CFT correspondence. Last but not the least, we estimate contributions to complexity from relevant perturbations.
Keywords:
AdS-CFT Correspondence
Renormalization Group
Conformal Field Theory
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Journal

Journal of High Energy Physics cover
Journal of High Energy Physics
IF:
5.5
Papers:
3.9W
Citations:
13.7W

Organization

K
Kyoto University
Scholars:
5.1W
Papers: 4.6W
Citations: 6.1W
U
University of Kentucky
Scholars:
2.5W
Papers: 2.1W
Citations: 41