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Quantum statistical correlations in thermal field theories: boundary effective theory
(American Physical Society, 2010-09-08)
Irreversibility in quantum field theories with boundaries
(Springer, 2019-04)
We study conformal field theories with boundaries, and their boundary renormalization group (RG) flows, using methods from quantum information theory. Positivity of the relative entropy, together with unitarity and Lorentz ...
The g-theorem and quantum information theory
(Springer, 2016-10)
We study boundary renormalization group flows between boundary conformal field theories in 1 + 1 dimensions using methods of quantum information theory. We define an entropic g-function for theories with impurities in terms ...
Boundaries in the Moyal plane
(Springer Heidelberg, 2013-12)
We study the oscillations of a scalar field on a noncommutative disc implementing the boundary as the limit case of an interaction with an appropriately chosen confining background. The space of quantum fluctuations of the ...
The S-matrix bootstrap. Part I: QFT in AdS
(2017-11-01)
We propose a strategy to study massive Quantum Field Theory (QFT) using conformal bootstrap methods. The idea is to consider QFT in hyperbolic space and study correlation functions of its boundary operators. We show that ...
Renyi relative entropies and renormalization group flows
(Springer, 2018-09)
Quantum Renyi relative entropies provide a one-parameter family of distances between density matrices, which generalizes the relative entropy and the fidelity. We study these measures for renormalization group flows in ...