English
Related papers

Related papers: Quantum Tunneling Beyond Semiclassical Approximati…

200 papers

Using the Hamilton-Jacobi method of quantum tunneling and complex path integration, we study Hawking radiation of scalar particles from rotating black strings. We discuss tunneling of both charged and uncharged scalar particles from the…

High Energy Physics - Theory · Physics 2017-12-21 H. Gohar , K. Saifullah

We consider dynamical black hole formation from a collapsing fluid described by a symmetric and flat FRW metric. Using the Hamilton-Jacobi method the local Hawking temperature for the formed trapping/apparent horizon is calculated. The…

General Relativity and Quantum Cosmology · Physics 2016-01-04 Rudolf Baier , Stefan Stricker

Tunnelling mechanism is today considered a popular and widely used method in describing Hawking radiation. However, in relation to black hole (BH) emission, this mechanism is mostly used to obtain the Hawking temperature by comparing the…

General Relativity and Quantum Cosmology · Physics 2015-06-15 Subenoy Chakraborty , Subhajit Saha , Christian Corda

Recent work, which treats the Hawking radiation as a semi-classical tunneling process at the horizon of the Schwarzschild and Reissner-Nordstrom spacetimes, indicates that the exact radiant spectrum is no longer pure thermal after…

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

The Hawking radiation considered as a tunneling process, by using a Hamilton-Jacobi prescription, is discussed for both z=3 and z=1-Lifshitz black holes. We have found that the tunneling rate (which is not thermal but related to the change…

High Energy Physics - Theory · Physics 2014-11-13 Samuel Lepe , Bruno Merello

There has been much work on explaining Hawking radiation as a quantum tunneling process through horizons. Basically, this intuitive picture requires the calculation of the imaginary part of the action for outgoing particle. And two ways are…

High Energy Physics - Theory · Physics 2011-08-18 Hongbin Kim

Hawking radiation is viewed as a tunnelling process. In this way the effect of self-gravitation gives rise to semiclassical corrections to the entropy of the (2+1) BTZ black hole. The modified entropy, due to specific modelling of the…

High Energy Physics - Theory · Physics 2009-11-07 Elias C. Vagenas

In this paper, we discuss the tunneling of scalar particles near the event horizon of stationary and nonstationary Kerr-de Sitter black hole using Lorentz violation theory in curved space time. The modified form of Hamilton-Jacobi equation…

General Relativity and Quantum Cosmology · Physics 2023-01-03 Y. Onika Laxmi , T. Ibungochouba Singh

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

Incorporating Parikh and Wilczek's opinion to the Kerr de-Sitter (KdS) black hole Hawking non-thermal and purely thermal radiations have been investigated using Hamilton-Jacobi method. We have taken the background spacetime of KdS black…

General Relativity and Quantum Cosmology · Physics 2013-09-04 M. Ilias Hossain , M. Atiqur Rahman

We study Hawking radiation as a phenomenon of tunneling through event horizons of charged torus-like as well as dilaton black holes involving cosmological constant based on Kerner and Mann's formulation. We obtain tunneling probabilities as…

General Relativity and Quantum Cosmology · Physics 2015-06-18 M. Sharif , Wajiha Javed

In this letter, after briefly discussing the Hawking radiation (HR) as a quantum tunneling, we emphasize that special care must be taken when computing temperature corrections in the presence of Lorentz invariance violation (LIV),…

General Relativity and Quantum Cosmology · Physics 2025-05-20 Ivan P-Castro , Héctor Aguilera-Trujillo , Hugo García-Compeán , Abdel Pérez-Lorenzana

Acoustic waves in fluids undergoing the transition from sub- to supersonic flow satisfy governing equations similar to those for light waves in the immediate vicinity of a black hole event horizon. This acoustic analogy has been used by…

Fluid Dynamics · Physics 2015-09-30 Eugene R. Tracy , Dmitriy Zhigunov

In this paper we consider the generalized uncertainty principle in the tunneling formalism via Hamilton-Jacobi method to determine the quantum-corrected Hawking temperature and entropy for 2+1-dimensional noncommutative acoustic black…

High Energy Physics - Theory · Physics 2015-02-03 M. A. Anacleto , F. A. Brito , G. C. Luna , E. Passos , J. Spinelly

Following Hawking, it is usual to mimic the effect of collapse space-time geometry on quantum fields in a semi-classical approximation by imposing suitable boundary conditions at the origin of coordinates, which effectively becomes a moving…

High Energy Physics - Theory · Physics 2007-05-23 Frank Wilczek

We re-examine Hawking radiation for a nonrotating (2+1)-dimensional BTZ black hole and evaluate the transmission probability of tunneling through the barrier of the event horizon employing the standard method of WKB approximation. Our…

General Relativity and Quantum Cosmology · Physics 2022-08-18 Bijan Bagchi , Sauvik Sen

We study quantum tunneling of charged and uncharged scalar particles from the event horizon of Schwarzschild-de Sitter and Reissner-Nordstr\"{o}m-de Sitter black holes pierced by an infinitely long spinning cosmic string and a global…

General Relativity and Quantum Cosmology · Physics 2015-10-26 Kimet Jusufi

Parikh and Wilczek have shown that Hawking radiation's spectrum cannot be strictly thermal. Such a non-strictly thermal character implies that the spectrum is also not strictly continuous and thus generates a natural correspondence between…

General Relativity and Quantum Cosmology · Physics 2012-10-30 Christian Corda

The quantum tunneling radiation of scalar particles near the event horizon of Kerr-de Sitter black hole is investigated in three systems of coordinates namely naive coordinate system, Painleve coordinate system and Eddington coordinate…

General Relativity and Quantum Cosmology · Physics 2022-05-10 Y. Onika Laxmi , T. Ibungochouba Singh , I. Ablu MEitei

Hawking radiation as a quantum tunneling phenomena from accelerating BTZ black holes is presented in this work. We have calculated the Dirac particle's Hawking radiation from the horizon of the accelerating BTZ black hole. WKB approximation…

High Energy Physics - Theory · Physics 2023-03-14 Usman A. Gillani , Jamil Ahmed , Mudassar Rehman