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The one-loop quantum corrections to geometry and thermodynamics of black hole are studied for the two-dimensional RST model. We chose boundary conditions corresponding to the eternal black hole being in the thermal equilibrium with the…

高能物理 - 理论 · 物理学 2009-10-28 Sergey N. Solodukhin

We provide mass/energy formulas for the extended thermodynamics, mixed thermodynamics, and holographic conformal field theory (CFT) thermodynamics for the charged and rotating Kerr-Newman Anti-de Sitter black holes. Then for the CFT thermal…

高能物理 - 理论 · 物理学 2023-06-27 Ting-Feng Gong , Jie Jiang , Ming Zhang

We consider the quantum focusing conjecture (QFC) for two-dimensional evaporating black holes. The QFC is closely related to the behavior of the generalized entropy -- the sum of the area entropy for a given co-dimension two surface and the…

高能物理 - 理论 · 物理学 2024-09-24 Akihiro Ishibashi , Yoshinori Matsuo , Akane Tanaka

In this work we investigate the thermodynamical properties and modified dynamics of black hole solutions in the semiclassical regime of affine coherent state quantization. Using the weak correspondence principle we build a semiclassical…

高能物理 - 理论 · 物理学 2014-09-26 Simone Zonetti

In analyzing the nature of thermal radiance experienced by an accelerated observer (Unruh effect), an eternal black hole (Hawking effect) and in certain types of cosmological expansion, one of us proposed a unifying viewpoint that these can…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Alpan Raval , B. L. Hu , Don Koks

A quantum theory of spherically symmetric thin shells of null dust and their gravitational field is studied. In Nucl. Phys. 603 (2001) 515 (hep-th/0007005), it has been shown how superpositions of quantum states with different geometries…

广义相对论与量子宇宙学 · 物理学 2013-05-29 M. Ambrus , P. Hajicek

We investigate the evaporation of an uncharged and non-rotating black hole (BH) in vacuum, by taking into account the effects given by the shrinking of the horizon area. These include the back-reaction on the metric and other smaller…

广义相对论与量子宇宙学 · 物理学 2023-05-04 Michael R. R. Good , Alessio Lapponi , Orlando Luongo , Stefano Mancini

We study the evaporation of a four-dimensional spherically symmetric black hole formed in a gravitational collapse. We analyze the back-reaction of a massless quantum scalar field conformally coupled to the scalar curvature by means of the…

广义相对论与量子宇宙学 · 物理学 2021-11-30 Paolo Meda , Nicola Pinamonti , Simone Roncallo , Nino Zanghì

We study the back reaction of a thermal field in a weak gravitational background depicting the far-field limit of a black hole enclosed in a box by the Close Time Path (CTP) effective action and the influence functional method. We derive…

广义相对论与量子宇宙学 · 物理学 2011-04-15 Antonio Campos , B. L. Hu

We consider $(1+1)$-dimensional dilatonic black hole with two horizons, canonical temperatures of which do not coincide. We show that the presence of quantum fields in such a background leads to a substantial backreaction on the metric: 2D…

高能物理 - 理论 · 物理学 2024-03-26 E. T. Akhmedov , P. A. Anempodistov , K. V. Bazarov

The well-known moving mirror trajectory corresponding to black hole shell collapse scenario (BHC) appears to produce an infinite amount of energy. By changing the final velocity of the BHC mirror from the speed of light to a free variable…

广义相对论与量子宇宙学 · 物理学 2019-06-17 Khalykbek Yelshibekov

Consistency between quantum mechanical and general relativistic views of the world is a longstanding problem, which becomes particularly prominent in black hole physics. We develop a coherent picture addressing this issue by studying the…

高能物理 - 理论 · 物理学 2015-07-06 Yasunori Nomura , Fabio Sanches , Sean J. Weinberg

The purpose of this study is to investigate radiation from asymptotic zero acceleration motion where a horizon is formed and subsequently detected by an outside witness. A perfectly reflecting moving mirror is used to model such a system…

广义相对论与量子宇宙学 · 物理学 2020-08-24 Michael Good , Ernazar Abdikamalov

We study the 2D massive fields in the presence of moving mirrors. We do that for standing mirror and mirror moving with constant velocity. We calculate the modes and commutation relations of the field operator with the corresponding…

高能物理 - 理论 · 物理学 2018-11-08 Lev Astrakhantsev , Oleksandr Diatlyk

We analyze the thermodynamical properties of black holes in a modified theory of gravity, which was initially proposed to obtain correct dynamics of galaxies and galaxy clusters without dark matter. The thermodynamics of non-rotating and…

广义相对论与量子宇宙学 · 物理学 2016-05-20 Jonas R. Mureika , John W. Moffat , Mir Faizal

While the levitating mirror has seen renewed interest lately, relatively little is known about its quantum behaviour. In this paper we present a quantum theory of a one dimensional levitating mirror. The mirror forms a part of a Fabry-Perot…

量子物理 · 物理学 2022-12-08 C. T. Marco Ho , Ryan J. Marshman , Robert B. Mann , Timothy C. Ralph

We study black hole formation in a model of two dimensional dilaton gravity and 24 massless scalar fields with a boundary. We find the most general boundary condition consistent with perfect reflection of matter and the constraints. We show…

高能物理 - 理论 · 物理学 2010-11-01 Sumit R. Das , Sudipta Mukherji

A quantum system composed of a cavity radiation field interacting with a movable mirror is considered and quantum statistical properties of the field are studied. Such a system can serve in principle as an idealized meter for detection of a…

量子物理 · 物理学 2009-10-31 C. Brif , A. Mann

In this paper we discuss and review several aspects of the effect of boundary conditions and structured environments on dispersion and resonance interactions involving atoms or molecules, as well as on vacuum field fluctuations. We first…

The Brownian motion of a test particle interacting with a quantum scalar field in the presence of a perfectly reflecting boundary is studied in (1 + 1)-dimensional flat spacetime. Particularly, the expressions for dispersions in velocity…

量子物理 · 物理学 2014-09-02 V. A. De Lorenci , E. S. Moreira , M. M. Silva