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순수물리이론 연구단
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Quantum information metric on ℝ × S d − 1

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Title
Quantum information metric on ℝ × S d − 1
Author(s)
Dongsu Bak; Andrea Trivella
Publication Date
2017-09
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2017, no.9, pp.086 -
Publisher
SPRINGER
Abstract
We present a formula for the information metric on ℝ × Sd − 1 for a scalar primary operator of integral dimension Δ(>d+12). This formula is checked for various space-time dimensions d and Δ in the field theory side. We check the formula in the gravity side using the holographic setup. We clarify the regularization and renormalization involved in these computations. We also show that the quantum information metric of an exactly marginal operator agrees with the leading order of the interface free energy of the conformal Janus on Euclidean Sd, which is checked for d = 2, 3. © 2017, The Author(s)
URI
http://pr.ibs.re.kr/handle/8788114/4111
DOI
10.1007/JHEP09(2017)086
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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