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4 papers
Composite operators near the boundary
Vladimír Procházka, Alexander Söderberg
We use renormalization group methods to study composite operators existing at a boundary of an interacting conformal field theory. In particular we relate the data on boundary oper…
Boundary gauge and gravitational anomalies from Ward identities
Vladimir Prochazka
We consider the two-point functions of conserved bulk currents and energy-momentum tensor in a boundary CFT defined on . Starting from the consistent forms of b…
On the -theorem in the Conformal Window
Vladimir Prochazka, Roman Zwicky
We show that for four dimensional gauge theories in the conformal window, the Euler anomaly, known as the -function, can be computed from a -point function of the trace of th…
The Conformal Anomaly in bCFT from Momentum Space Perspective
Vladimir Prochazka
We study the momentum space representation of energy-momentum tensor two-point functions on a space with a planar boundary in . We show that non-conservation of momentum in th…