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Hace 11 horas · Soft hairs are intrinsically infrared features of a black hole, which may also affect near-horizon physics. In this work, we study one of the primary observables through which we can study the effects of a particular type of soft hair in Einstein's gravity: the shadow of a non-rotating black hole implanted with linear {\\it regular} superrotational hair. We show that such soft hairs deform the ...
Hace 3 horas · Alfred North Whitehead OM FRS FBA (15 February 1861 – 30 December 1947) was an English mathematician and philosopher. He created the philosophical school known as process philosophy, [2] which has been applied in a wide variety of disciplines, including ecology, theology, education, physics, biology, economics, and psychology .
Hace 10 horas · The accuracy of density-functional theory (DFT) is determined by the quality of the approximate functionals, such as exchange-correlation in electronic DFT and the excess functional in the classical DFT formalism of fluids. The exact functional is highly nonlocal for both electrons and fluids, yet most approximate functionals are semi-local or nonlocal in a limited weighted-density form ...
Hace 10 horas · Abstract: Quantum machine learning requires powerful, flexible and efficiently trainable models to be successful in solving challenging problems. In this work, we present density quantum neural networks, a learning model incorporating randomisation over a set of trainable unitaries.
Hace 10 horas · Condensed Matter > Mesoscale and Nanoscale Physics Title: Generalized Cluster Correlation Expansion theory for STIRAP processes in the presence of a spin bath Authors: Tommaso Fazio , Anna Napoli , Benedetto Militello
Hace 9 horas · The result is tight due to all existing QPKEs constructions. Our result further gives evidence on why existing QPKEs lose reusability. To achieve these results, we use a novel argument based on conditional mutual information and quantum Markov chain by Fawzi and Renner (Communications in Mathematical Physics).
Hace 11 horas · Condensed Matter > Mesoscale and Nanoscale Physics Title: Aharonov-Bohm flux and dual gaps effects on energy levels in graphene magnetic quantum dots Authors: Fatima Belokda , Ahmed Bouhlal , Ahmed Siari , Ahmed Jellal
