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On marginal operators in boundary conformal field theory [PDF]

Journal of High Energy Physics, 2019
The presence of a boundary (or defect) in a conformal field theory allows one to generalize the notion of an exactly marginal deformation. Without a boundary, one must find an operator of protected scaling dimension ∆ equal to the space-time dimension d ...
Christopher P. Herzog, Itamar Shamir
doaj   +2 more sources

An introduction to conformal field theory [PDF]

Reports on Progress in Physics, 2000
69 pages, LaTeX; references ...
, Alekseev A Y, Anderson G, Behrend R E, Bilal A, Blumenhagen R, Blumenhagen R, Borcherds R, Borcherds R, Bouwknegt P, Bowcock P, Cappelli A, Chari V, Conway J H, Conway J H, De Boer J, Di Francesco P, Dijkgraaf R, Dolan L, Dong C, Dong C, Dong C, Dotsenko V S, Drinfeld V G, Drinfeld V G, Drinfeld V G Quantum groups, Dörrzapf M, Dörrzapf M, Faddeev L D, Faddeev L D, Faltings G, Fateev V A, Feigin B L, Feigin B L, Feigin B L, Felder G, Felder G, Felder G, Finkelberg M, Flohr M A I, Flohr M A I, Frenkel I, Frenkel I, Frenkel I B, Frenkel I B, Friedan D, Fröhlich J, Fröhlich J, Fröhlich J, Fuchs J, Fuchs J, Furlan P, Furlan P, Furlan P, Gabbiani F, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gaberdiel M R, Gannon T, Gannon T, Gannon T, Gannon T, Gawedzki K, Gawedzki K, Gawedzki K, Gawedzki K, Ginsparg P, Goddard P, Goddard P, Goddard P, Green M B, Gurarie V, Haag R, Huang Y-Z, Huang Y-Z, Huang Y-Z, Huang Y-Z, Huang Y-Z, Huang Y-Z, Huang Y-Z, Huang Y-Z, Jimbo M, Jones V F R, Jones V F R, Kac V G, Kac V G, Kac V G, Kac V G, Kac V G, Kausch H G, Kausch H G, Kirillov A N, Li H, Li H, Lüscher M, Mack G, Majid S, Majid S, Matthias R Gaberdiel, Moody R V, Moore G, Mussardo G, Nahm W, Nahm W, Nahm W, Nahm W, Novikov S P, Polchinski J, Polchinski J, Polyakov A M, Pradisi G, Pradisi G, Pressley A, Recknagel A, Reshetikhin N Y, Rozansky L, Runkel I, Schellekens A N, Schellekens A N, Schmidhuber C, Schomerus V, Schomerus V, Segal G, Segal G B, Teschner J A, Tsuchiya A, Tsuchiya A, Tsuchiya A, Turaev V, Wassermann A J, Witten E, Witten E, Zamolodchikov A B, Zamolodchikov A B, Zamolodchikov A B, Zhu Y   +144 more
openaire   +7 more sources

Causality constraints in conformal field theory [PDF]

Journal of High Energy Physics, 2015
Causality places nontrivial constraints on QFT in Lorentzian signature, for example fixing the signs of certain terms in the low energy Lagrangian. In d dimensional conformal field theory, we show how such constraints are encoded in crossing symmetry of ...
Thomas Hartman, Sachin Jain, Sandipan Kundu   +2 more
semanticscholar   +5 more sources

On the Real Part of a Conformal Field Theory [PDF]

Universe, 2018
Every conformal field theory has the symmetry of taking each field to its adjoint. We consider here the quotient (orbifold) conformal field theory obtained by twisting with respect to this symmetry.
Doron Gepner, Hervé Partouche
doaj   +5 more sources

Krylov complexity in conformal field theory [PDF]

Physical Review D, 2021
Krylov complexity, or K-complexity for short, has recently emerged as a new probe of chaos in quantum systems. It is a measure of operator growth in Krylov space, which conjecturally bounds the operator growth measured by the out of time ordered ...
A. Dymarsky, M. Smolkin
semanticscholar   +1 more source

Numerical Evidence for a Haagerup Conformal Field Theory. [PDF]

Physical Review Letters, 2021
We numerically study an anyon chain based on the Haagerup fusion category and find evidence that it leads in the long-distance limit to a conformal field theory whose central charge is ∼2.
Tzu-Chen Huang, Ying-Hsuan Lin, K. Ohmori, Yuji Tachikawa, Masaki Tezuka   +4 more
semanticscholar   +1 more source

Global symmetry and conformal bootstrap in the two-dimensional $Q$-state Potts model

SciPost Physics, 2023
The Potts conformal field theory is an analytic continuation in the central charge of conformal field theory describing the critical two-dimensional $Q$-state Potts model.
Rongvoram Nivesvivat
doaj   +1 more source

Holographic derivation of entanglement entropy from the anti-de Sitter space/conformal field theory correspondence. [PDF]

Physical Review Letters, 2006
A holographic derivation of the entanglement entropy in quantum (conformal) field theories is proposed from anti-de Sitter/conformal field theory (AdS/CFT) correspondence.
S. Ryu, T. Takayanagi
semanticscholar   +1 more source

Twin conformal field theories [PDF]

Journal of High Energy Physics, 2019
Abstract Supersymmetric theories with the same bosonic content but different fermions, aka twins, were thought to exist only for supergravity. Here we show that pairs of super conformal field theories, for example exotic $$ \mathcal{N} $$ N
M. J. Duff, M. J. Duff, M. J. Duff, Leron Borsten, A. Marrani   +4 more
openaire   +7 more sources

Conformal defects from string field theory

Journal of High Energy Physics, 2021
Unlike conformal boundary conditions, conformal defects of Virasoro minimal models lack classification. Alternatively to the defect perturbation theory and the truncated conformal space approach, we employ open string field theory (OSFT) techniques to ...
Kasia Budzik, Miroslav Rapčák, Jairo M. Rojas   +2 more
doaj   +1 more source