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Semiclassical Gravity, Entanglement, and Information


Quantum Field Theory in Curved Spacetimes (QFTCS) makes sound predictions in situations involving quantum fields in the presence of strong (classical) gravitational fields. In the last few years, it has been proven extremely fruitful to analyze QFTCS from the perspective of information theory. Thus, in this project, we intend to study the interplay between QFTCS and quantum information theory (QIT) not only to find new low-energy quantum gravity effects (i.e. for energies far below Planck scale) but also to study the influence of relativity in quantum information theory. This will allow us to study entanglement and correlations dynamics as well as the transmission of classical and quantum information in curved spacetimes. It is our hope to be able to shed some light on some open problems such as the destruction of information by black holes and the origin of its entropy. In addition to the interplay between QFTCS and QIT, we also intend to analyze vacuum effects in QFTCS with particular interest in, but not restricted to, spacetimes with bifurcate Killing horizons (such as Minkowski spacetime in the context of the Unruh effect). (AU)

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Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ZAMBIANCO, MATHEUS H.; LANDULFO, ANDRE G. S.; MATSAS, GEORGE E. A.. Observer dependence of entanglement in nonrelativistic quantum mechanics. Physical Review A, v. 100, n. 6, . (17/15084-6, 18/24810-5)
LANDULFO, ANDRE G. S.; FULLING, STEPHEN A.; MATSAS, GEORGE E. A.. Classical and quantum aspects of the radiation emitted by a uniformly accelerated charge: Larmor-Unruh reconciliation and zero-frequency Rindler modes. Physical Review D, v. 100, n. 4, . (17/15084-6, 17/50388-6)
BARCELLOS, IAN BERNARDES; LANDULFO, ANDRE G. S.. Relativistic quantum communication: Energy cost and channel capacities. Physical Review D, v. 104, n. 10, . (18/23355-2, 17/15084-6)
BARROS, GUILHERME B.; RODRIGUES, JOAO P. C. R.; LANDULFO, ANDRE G. S.; MATSAS, GEORGE E. A.. Traces of the Unruh effect in surface waves. Physical Review D, v. 101, n. 6, . (17/26809-1, 17/15084-6)
COZZELLA, GABRIEL; FULLING, STEPHEN A.; LANDULFO, ANDRE G. S.; MATSAS, GEORGE E. A.; VANZELLA, DANIEL A. T.. Unruh effect for mixing neutrinos. Physical Review D, v. 97, n. 10, . (17/50388-6, 15/22482-2, 13/12165-4, 16/08025-0, 17/15084-6)
COZZELLA, GABRIEL; LANDULFO, ANDRE G. S.; MATSAS, GEORGE E. A.; VANZELLA, DANIEL A. T.. A quest for a ``direct{''} observation of the Unruh effect with classical electrodynamics: In honor of Atsushi Higuchi 60th anniversary. INTERNATIONAL JOURNAL OF MODERN PHYSICS D, v. 27, n. 11, SI, . (13/12165-4, 15/22482-2, 16/08025-0, 17/15084-6)
MIQUELETO, JOAO LUCAS; LANDULFO, ANDRE G. S.. Exact renormalization group, entanglement entropy, and black hole entropy. Physical Review D, v. 103, n. 4, . (17/15084-6)

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