Research on general relativity

Dvin
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i am a master's student and want to work on general relativity! does anybody have information on the most recent fields of research in general relativity!
 
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A master's student in physics? At what uni? Did you ask your professors? Did you look for past PF threads discussing similar questions? (In the most recent, several of us mentioned Matt Visser as a leading researcher who is deeply involved in several of the most intriguing areas of research in gravitation physics.)

An excellent reference for advanced students is http://relativity.livingreviews.org/, a website which offers many authoritative and generally excellent review papers.
 
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You might also wish to browse http://arxiv.org/archive/gr-qc
...but you'll have to sort them into "fields of research", as well as into levels of quality and usefulness.
 
Well, maybe not browse, but keeping an eye on this section over the next year would be a good idea. After a while you will probably begin to associate some names with eprints you consider to be particularly interesting.
 
thanks a lot Chris! the comments was very helpful!
 

Thread 'Describing the Big Bang'

I started reading a National Geographic article related to the Big Bang. It starts these statements: Gazing up at the stars at night, it’s easy to imagine that space goes on forever. But cosmologists know that the universe actually has limits. First, their best models indicate that space and time had a beginning, a subatomic point called a singularity. This point of intense heat and density rapidly ballooned outward. My first reaction was that this is a layman's approximation to...
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Thread 'Dirac's integral for the energy-momentum of the gravitational field'

Thread 'Dirac's integral for the energy-momentum of the gravitational field'

See Dirac's brief treatment of the energy-momentum pseudo-tensor in the attached picture. Dirac is presumably integrating eq. (31.2) over the 4D "hypercylinder" defined by ##T_1 \le x^0 \le T_2## and ##\mathbf{|x|} \le R##, where ##R## is sufficiently large to include all the matter-energy fields in the system. Then \begin{align} 0 &= \int_V \left[ ({t_\mu}^\nu + T_\mu^\nu)\sqrt{-g}\, \right]_{,\nu} d^4 x = \int_{\partial V} ({t_\mu}^\nu + T_\mu^\nu)\sqrt{-g} \, dS_\nu \nonumber\\ &= \left(...
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Thread 'A sufficient condition for integrability of equation ##\nabla g=0##'

In Philippe G. Ciarlet's book 'An introduction to differential geometry', He gives the integrability conditions of the differential equations like this: $$ \partial_{i} F_{lj}=L^p_{ij} F_{lp},\,\,\,F_{ij}(x_0)=F^0_{ij}. $$ The integrability conditions for the existence of a global solution ##F_{lj}## is: $$ R^i_{jkl}\equiv\partial_k L^i_{jl}-\partial_l L^i_{jk}+L^h_{jl} L^i_{hk}-L^h_{jk} L^i_{hl}=0 $$ Then from the equation: $$\nabla_b e_a= \Gamma^c_{ab} e_c$$ Using cartesian basis ## e_I...
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