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相关论文: Moebius Inverse Problem for Distorted Black Holes

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We show that spherical accretion onto astrophysical black holes can be considered as a natural example of analogue system. We provide, for the first time, an exact analytical scheme for calculating the analogue Hawking temperature and…

广义相对论与量子宇宙学 · 物理学 2009-11-10 Tapas K. Das

Due to the exponential high gravitational red shift near the event horizon of a black hole, it might appear that the Hawking radiation would be highly sensitive to some unknown high energy physics. To study effects of any unknown physics at…

广义相对论与量子宇宙学 · 物理学 2016-02-17 Peng Wang , Haitang Yang , Shuxuan Ying

The increasing interest in compact astrophysical objects (neutron stars, binaries, galactic black holes) has stimulated the search for rigorous methods, which allow a systematic general relativistic description of such objects. This paper…

广义相对论与量子宇宙学 · 物理学 2008-11-26 G. Neugebauer , R. Meinel

Primordial black holes (PBHs) within the mass range $10^{17} - 10^{22}$ g are a favorable candidate for describing the all of the dark matter content. Towards the lower end of this mass range, the Hawking temperature, $T_{\rm H}$, of these…

广义相对论与量子宇宙学 · 物理学 2023-02-22 Makana Silva , Gabriel Vasquez , Emily Koivu , Arijit Das , Christopher Hirata

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…

广义相对论与量子宇宙学 · 物理学 2015-06-18 M. Sharif , Wajiha Javed

Using the Damour-Ruffini-Sannan, the Parikh-Wilczek and the thin film brick-wall models, we investigate the Hawking radiation of uncharged massive particles from 4-dimensional linear dilaton black holes, which are the solutions to…

广义相对论与量子宇宙学 · 物理学 2010-03-25 H. Pasaoglu , I. Sakalli

Applying the Hamilton--Jacobi method we investigate the tunneling of photon across the event horizon of a static spherically symmetric black hole. The necessity of the gauge condition on the photon field, to derive the semiclassical Hawking…

高能物理 - 理论 · 物理学 2010-09-06 Bibhas Ranjan Majhi , Saurav Samanta

The discovery in the early 1970s that black holes radiate as black bodies has radically affected our understanding of general relativity, and offered us some early hints about the nature of quantum gravity. In this chapter I will review the…

广义相对论与量子宇宙学 · 物理学 2015-08-27 S. Carlip

Recently, Hawking radiation from a $4-$dimensional linear dilaton black hole solution to Einstein-Maxwell-Dilaton (EMD) theory, via a method of computing exactly the semi-classical radiation, has been derived by Cl\U{e9}ment, et al. Their…

广义相对论与量子宇宙学 · 物理学 2009-02-09 S. Habib Mazharimousavi , I. Sakalli , M. Halilsoy

We consider quantum fields around uniformly accelerated black holes. At a particular value of the acceleration, the Bogolubov transformation which would be responsible for the late-time Hawking radiation, is found to be trivial. When this…

广义相对论与量子宇宙学 · 物理学 2009-10-28 Piljin Yi

It is argued that Hawking radiation has indeed been measured and shown to posses a thermal spectrum, as predicted. This contention is based on three separate legs. The first is that the essential physics of the Hawking process for black…

广义相对论与量子宇宙学 · 物理学 2015-06-18 W. G. Unruh

Bekenstein-Hawking formalism of black hole thermodynamics should be modified to incorporate quantum gravitational effects. Generalized Uncertainty Principle(GUP) provides a suitable framework to perform such modifications. In this paper, we…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Kourosh Nozari , S. Hamid Mehdipour

Motivated by the Robinson-Wilczek's recent viewpoint that Hawking radiation can be treated as a compensating energy momentum tensor flux required to cancel gravitational anomaly at the horizon of a Schwarzschild-type black hole, we…

高能物理 - 理论 · 物理学 2008-11-26 Qing-Quan Jiang , Shuang-Qing Wu , Xu Cai

We present in this paper a simple method to obtain informations on galaxy models parameters using the measured value of the microlensing optical depth. Assuming a 100 percent MACHO's dark halo, we ask the predicted optical depth for a given…

天体物理学 · 物理学 2009-10-31 V. F. Cardone , R. de Ritis , A. A. Marino

We review the problem of divergences in one--loop thermodynamical quantities for matter fields in thermal equilibrium on a black hole background. We discuss a number of results obtained for various thermodynamical quantities. Then we…

广义相对论与量子宇宙学 · 物理学 2009-10-28 F. Belgiorno , M. Martellini

In this work, we calculate the Hawking temperature for a quantum corrected black hole geometry using the $reflection$ $from$ $the$ $horizon$ method. We observe that quantum gravity corrections indeed show up in the Hawking temperature…

广义相对论与量子宇宙学 · 物理学 2023-02-14 Sunandan Gangopadhyay , Soham Sen , Rituparna Mandal

We study the Hawking radiation in a new class of black hole solutions in the Einstein-Gauss-Bonnet theory. The black hole has been argued to have vanishing mass and entropy, but finite Hawking temperature. To check if it really emits…

广义相对论与量子宇宙学 · 物理学 2015-06-03 Kenji Muneyuki , Nobuyoshi Ohta

We discuss in detail the semiclassical approximation for the CGHS model of two-dimensional dilatonic black holes. This is achieved by a formal expansion of the full Wheeler-DeWitt equation and the momentum constraint in powers of the…

高能物理 - 理论 · 物理学 2016-09-06 J. -G. Demers , C. Kiefer

In a seminal work, Hawking showed that natural states for free quantum matter fields on classical spacetimes that solve the spherically symmetric vacuum Einstein equations are KMS states of non-vanishing temperature. Although Hawking's…

广义相对论与量子宇宙学 · 物理学 2024-05-01 Thomas Thiemann

Hawking evaporation of photons in a variable-mass Kerr space-time is investigated by using a method of the generalized tortoise coordinate transformation. The blackbody radiant spectrum of photons displays a new spin-rotation coupling…

广义相对论与量子宇宙学 · 物理学 2021-10-20 S. Q. Wu , X. Cai