نتایج جستجو برای: hole deformation

تعداد نتایج: 132052  

2003
D. Grumiller

The long time behavior of an evaporating black hole presents a challenge to theoretical physics and touches relevant conceptual issues of quantum gravity, such as the information paradox. There are basically two strategies: top-down, i.e., to construct first a full quantum theory of gravity and to discuss black hole evaporation as a particular application thereof, and bottom-up, i.e., to sidest...

2013
Vincent Labiouse Claire Sauthier Shuang You Xiang Ling Li

In the context of nuclear waste disposal in clay formations, laboratory experiments were performed to study at reduced scale the Excavation Damaged Zone (EDZ) induced by the construction of galleries in the Boom Clay formation. For this purpose, thick-walled hollow cylindrical samples were subjected (after recovery of in-situ stress conditions) to a decrease of the inner confining pressure aimi...

Journal: :Universe 2022

The Event Horizon Telescope collaboration has revealed the first direct image of a black hole, as per shadow Kerr hole general relativity. However, other Kerr-like rotating holes modified gravity theories cannot be ignored, and they are essential offer an arena in which these can tested through astrophysical observation. This motivates us to investigate asymptotically de Sitter wherein interpre...

Journal: :European Physical Journal Plus 2022

In this paper, we study light rays in a Kazakov-Solodukhin black hole. To end, use the optical geometry of hole within Gauss-bonnet theorem. We first show effect deformation parameter $a$ on Gaussian curvature, and then modern method popularized by Gibbons Werner to calculate weak deflection angle light. Our calculations how gravitational lensing is affected $a$. Moreover, demonstrate plasma me...

In this paper a general analytical solution is obtained to find stress distribution in a finite elastic plate with a circular or square hole subjected to arbitrary biaxial partial loading using modified boundary condition by assuming plane stress conditions. The method employed is based on solution of circular hole in finite rectangular plate. This plate is mapped to circular ones and the parti...

2005
E. Shalyt - Margolin

In this paper a new approach to investigation of Quantum and Statistical Mechanics of the Early Universe (Planck scale)-density matrix deformation-is proposed. The deformation is understood as an extension of a particular theory by inclusion of one or several additional parameters in such a way that the initial theory appears in the limiting transition. In the first part of this chapter Quantum...

Journal: :Modern Physics Letters A 2022

In this paper, we investigate the optical properties by a charged rotating braneworld black hole, in Randall–Sundrum scenario. We study horizon, photon region, shadow of hole and other observables. The results show that addition to spin parameter [Formula: see text], two parameters, tidal charge text] electric are found affect region shadow. also have researched different observables with incre...

Journal: :Journal of High Energy Physics 2022

A bstract In this article, we consider a Renormalization Group flow of the Thermofield-Double state in UV-complete description Holography, by introducing relevant deformation to $$ \mathcal{N} N = 4 super Yang-Mills theory at strong coupling. This RG-flow is known have non-trivial, interacting 1 fixed point I...

Journal: :I. J. Robotics Res. 2014
Matan Keidar Gal A. Kaminka

Frontier-based exploration is the most common approach to exploration, a fundamental problem in robotics. In frontierbased exploration, robots explore by repeatedly detecting (and moving towards) frontiers, the segments which separate the known regions from those unknown. A frontier detection sub-process examines map and/or sensor readings to identify frontiers for exploration. However, most fr...

2007
Serdar K. Balci Polina Golland Martha Shenton William M. Wells

In this work, we extend a previously demonstrated entropy based groupwise registration method to include a free-form deformation model based on B-splines. We provide an efficient implementation using stochastic gradient descents in a multi-resolution setting. We demonstrate the method in application to a set of 50 MRI brain scans and compare the results to a pairwise approach using segmentation...

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