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We observe spontaneous Hawking radiation, stimulated by quantum vacuum fluctuations, emanating from an analogue black hole in an atomic Bose-Einstein condensate. Correlations are observed between the Hawking particles outside the black hole…

General Relativity and Quantum Cosmology · Physics 2017-08-09 Jeff Steinhauer

This paper is devoted to the study of Hawking radiation as a tunneling of charged fermions through event horizons of a pair of charged accelerating and rotating black holes with NUT parameter. We evaluate tunneling probabilities of outgoing…

General Relativity and Quantum Cosmology · Physics 2015-06-05 M. Sharif , Wajiha Javed

The mechanisms which give rise to Hawking radiation are revealed by analyzing in detail pair production in the presence of horizons. In preparation for the black hole problem, three preparatory problems are dwelt with at length: pair…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Robert Brout , Serge Massar , Renaud Parentani , Philippe Spindel

The main topic of this talk is the Hawking effect when the black holes in question are undergoing a uniform acceleration. The semiclassical effect of the acceleration is most striking when the Hawking temperature equals the acceleration…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Piljin Yi

The Hawking effect -- the spontaneous emission of correlated quanta from horizons -- can be observed in laboratory systems where an acoustic horizon forms when a fluid transitions from subcritical to supercritical flow. Although most…

We study radiation from black holes in the effective theory produced by integrating gravity and the dilaton out of $1+1$ dilaton gravity. The semiclassical wavefunctions for the dressed particles show that the self-interactions produce an…

High Energy Physics - Theory · Physics 2014-11-18 Vijay Balasubramanian , Herman Verlinde

We derive the Hawking spectrum of fermions emitted by a minimally geometric deformed (MGD) black hole. The MGD naturally describes quantum effects on the geometry in the form of a length scale related, for instance, to the existence of…

High Energy Physics - Theory · Physics 2018-08-15 Roberto Casadio , Piero Nicolini , Roldao da Rocha

We study the Hawking radiation in the framework of open quantum systems by examining the time evolution of a detector (modelled by a two-level atom) interacting with vacuum massless scalar fields. The dynamics of the detector is governed by…

General Relativity and Quantum Cosmology · Physics 2014-11-18 Hongwei Yu , Jianlin Zhang

Investigations into Hawking radiation often assume a black hole model featuring an event horizon, despite the growing consensus that such causal structures may not exist in nature. While this assumption is not crucial for deriving the local…

General Relativity and Quantum Cosmology · Physics 2024-10-02 Ivan Agullo , Paula Calizaya Cabrera , Beatriz Elizaga Navascués

In this paper I construct the naive lattice Dirac Hamiltonian describing the propagation of fermions in a generic 2D optical metric for different lattice and flux-lattice geometries. First, I apply a top-down constructive approach that we…

Quantum Gases · Physics 2017-07-24 Alessio Celi

We analyze the effect of the generalized uncertainty (GUP) principle on the Hawking radiation from the hairy black hole in U(1) gauge-invariant scalar-vector-tensor theory by utilizing the semiclassical Hamilton-Jacobi method. To do so, we…

General Physics · Physics 2019-02-21 Wajiha Javed , Rimsha Babar , Ali Övgün

Fermionic atoms in a large-scale, homogeneous optical lattice provide an ideal quantum simulator for investigating the fermionic Hubbard model, yet achieving this remains challenging. Here, by developing a hybrid potential that integrates a…

Recently, Hawking radiation from a Schwarzschild-type black hole via gravitational anomaly at the horizon has been derived by Robinson and Wilczek. Their result shows that, in order to demand general coordinate covariance at the quantum…

High Energy Physics - Theory · Physics 2014-11-18 Qing-Quan Jiang , Shuang-Qing Wu , Xu Cai

I present a microscopic description of Hawking radiation in sonic black holes. A one-dimensional Fermi-degenerate liquid squeezed by a smooth barrier forms a transonic flow, a sonic analogue of a black hole. The quantum treatment of the…

Atomic Physics · Physics 2009-11-10 S. Giovanazzi

In the curved spacetime of a black hole, quantum physics gives rise to distinctive effects such as Hawking radiation and maximally fast scrambling. Here, we present a scheme for an analogue quantum simulation of (1 + 1) and (2 +…

Quantum Gases · Physics 2025-03-13 Asmae Benhemou , Georgia Nixon , Aydin Deger , Ulrich Schneider , Jiannis K. Pachos

The leading order correction to the metric of a Schwarzschild black hole, due to the backreaction of infalling fermionic matter fields, is shown to produce a shift of the event horizon such that particles that would constitute Hawking…

High Energy Physics - Theory · Physics 2009-10-30 Arundhati Dasgupta , Parthasarathi Majumdar

We study Hawking radiation of charged fermions from accelerating and rotation black holes with electric and magnetic charges. We calculate the tunneling probabilities of incoming and outgoing fermionic particles and find the Hawking…

High Energy Physics - Theory · Physics 2011-03-18 Mudassar Rehman , K. Saifullah

We consider 1D lattices described by Hubbard or Bose-Hubbard models, in the presence of periodic high-frequency perturbations, such as uniform ac force or modulation of hopping coefficients. Effective Hamiltonians for interacting particles…

Other Condensed Matter · Physics 2015-08-18 A. P. Itin , M. I. Katsnelson

A flexible control of wave scattering in complex media is of relevance in different areas of classical and quantum physics. Recently, a great interest has been devoted to scattering engineering in non-Hermitian systems, with the prediction…

Quantum Physics · Physics 2022-09-27 Stefano Longhi , Ermanno Pinotti

Inspired by the recent creation of the honeycomb optical lattice and the realization of the Mott insulating state in a square lattice by shaking, we study here the shaken honeycomb optical lattice. For a periodic shaking of the lattice, a…

Quantum Gases · Physics 2013-05-30 Selma Koghee , Lih-King Lim , M. O. Goerbig , C. Morais Smith