Results 61 to 70 of about 1,163,258 (208)

Conformal defects from string field theory

open access: yesJournal 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   +2 more
doaj   +1 more source

Boundary Anomalies and Correlation Functions [PDF]

open access: yesJHEP 1608 (2016) 013, 2016
It was shown recently that boundary terms of conformal anomalies recover the universal contribution to the entanglement entropy and also play an important role in the boundary monotonicity theorem of odd-dimensional quantum field theories. Motivated by these results, we investigate relationships between boundary anomalies and the stress tensor ...
arxiv   +1 more source

On the boundary conformal field theory approach to symmetry-resolved entanglement

open access: yesSciPost Physics Core, 2023
We study the symmetry resolution of the entanglement entropy of an interval in two-dimensional conformal field theories (CFTs), by relating the bipartition to the geometry of an annulus with conformal boundary conditions.
Giuseppe Di Giulio, René Meyer, Christian Northe, Henri Scheppach, Suting Zhao
doaj   +1 more source

c=1 Boundary Conformal Field Theory Revisited

open access: yes, 2004
Correlation functions of discrete primary fields in the c=1 boundary conformal field theory of a scalar field in a critical periodic boundary potential are computed using the underlying SU(2) symmetry of the model.
Caldeira A O   +15 more
core   +1 more source

AdS3 gravity and the complex SYK models

open access: yesJournal of High Energy Physics, 2021
We provide a non-conformal generalization of the Compère-Song-Strominger (CSS) boundary conditions for AdS3 gravity that breaks the u ̂ 1 $$ \hat{u}(1) $$ Kac-Moody-Virasoro symmetry to two u(1)s.
Pankaj Chaturvedi   +3 more
doaj   +1 more source

Protecting the conformal symmetry via bulk renormalization on Anti deSitter space [PDF]

open access: yes, 2010
The problem of perturbative breakdown of conformal symmetry can be avoided, if a conformally covariant quantum field phi on d-dimensional Minkowski spacetime is viewed as the boundary limit of a quantum field Phi on d+1-dimensional anti-deSitter ...
C. Fronsdal   +28 more
core   +3 more sources

Fermions in boundary conformal field theory: crossing symmetry and E-expansion

open access: yesJournal of High Energy Physics, 2023
We use the equations of motion in combination with crossing symmetry to constrain the properties of interacting fermionic boundary conformal field theories.
Christopher P. Herzog, Vladimir Schaub
doaj   +1 more source

Bootstrapping boundary QED. Part I

open access: yesJournal of High Energy Physics
We use the numerical conformal bootstrap to study boundary quantum electrodynamics, the theory of a four dimensional photon in a half space coupled to charged conformal matter on the boundary.
Samuel Bartlett-Tisdall   +2 more
doaj   +1 more source

D-brane conformal field theory [PDF]

open access: yes, 1998
We outline the structure of boundary conditions in conformal field theory. A boundary condition is specified by a consistent collection of reflection coefficients for bulk fields on the disk together with a choice of an automorphism \omega of the fusion ...
Fuchs, J., Schweigert, C.
core   +2 more sources

Lifting a Conformal Field Theory from D-Dimensional Flat Space to (D+1)-Dimensional Ads Space

open access: yes, 2004
A quantum field theory on Anti-de-Sitter space can be constructed from a conformal field theory on its boundary Minkowski space by an inversion of the holographic mapping. To do this the conformal field theory must satisfy certain constraints.
D'Hoker   +27 more
core   +1 more source

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