نتایج جستجو برای: einstein structure

تعداد نتایج: 1591825  

2004
T. Csörgő S. Hegyi W. A. Zajc

The Bose-Einstein (or HBT) correlation functions are evaluated for the fractal structure of QCD jets. These correlation functions have a stretched exponential (or Lévy-stable) form. The anomalous dimension of QCD determines the Lévy index of stability, thus the running coupling constant of QCD becomes measurable with the help of two-particle Bose-Einstein correlation functions. These considerat...

Journal: :Journal of High Energy Physics 2022

We study the interior structure of five dimensional neutral helical black holes in Einstein gravity and charged Einstein-Maxwell gravity. Inside holes, systems evolve to a stable spacelike Kasner singularity. The metric field related deformation strength exhibits oscillation behavior close horizon at low temperature small strength. we show that inner Cauchy can not exist. also from find oscilla...

2000
Alexander N. Linden

We categorize the global structure of spherically symmetric static solutions of Einstein SU(2)-Yang Mills equations with positive cosmological constant that are smooth at the origin.

Haghani, Z, Nedaie, M,

A time-like unit vector field is used to generalize Einstein's gravity. The resulting theory, called the Einstein-aether theory, consists of a minimal coupling between an aether field and gravity. Inspired by the Bopp-Podolsky electrodynamics, which is well-known for removing the singularity at the point charge, we generalized the Einstein-aether theory by adding such a higher order self-intera...

In this paper we study curvature properties of semi - symmetric type of totally umbilical radical transversal lightlike hypersurfaces $(M,g)$ and $(M,widetilde g)$ of a K"ahler-Norden manifold $(overline M,overline J,overline g,overline { widetilde g})$ of constant totally real sectional curvatures $overline nu$ and $overline {widetilde nu}$ ($g$ and $widetilde g$ are the induced metrics on $M$...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1388

abstract: the present thesis includes ; one preface and 11speeches , that each speech considered in different researches . the prefact part , studied grammer back ground , the first speech considered a brief description about grammatical credits . the second speech considered the different typs of sentences , from structure and meaning points of view . the third speech considered the verb es...

2006
JEFF CHEEGER GANG TIAN

It is of fundamental interest to study the geometric and analytic properties of compact Einstein manifolds and their moduli. In dimension 2 these problems are well understood. A 2-dimensional Einstein manifold, (M, g), has constant curvature, which after normalization, can be taken to be −1, 0 or 1. Thus, (M, g) is the quotient of a space form and the metric, g, is completely determined by the ...

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