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Results tagged with general-relativity
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user 193484
A theory that describes how matter interacts dynamically with the geometry of space and time. It was first published by Einstein in 1915 and is currently used to study the structure and evolution of the universe, as well as having practical applications like GPS.
11
votes
2
answers
849
views
Does Loop Quantum Gravity predict general relativity in semi-classical Limit?
Recently i read about Loop Quantum Gravity in Wikipedia and found this below statement here.
Presently, no semiclassical limit recovering general relativity has been shown to exist.
But i also …
- 625
3
votes
Trying to understand a visualization of contravariant and covariant bases
It would be more intuitive if you look at the illustrations form Daniel A. Fleisch's book on A Student's Guide to Vectors and Tensors.
Here they are:
The parallel projections represent contravarian …
- 625
1
vote
0
answers
55
views
How many different ways can Riemann-Christoffel Curvature Tensor can be derived? [closed]
In today's Relativity and Gravitation class, my prof was discussing about Riemann-Christoffel Tensor and he derived it. But in the end he told that there are many ways one can derive the Riemann Tens …
- 625
4
votes
Can anyone refer me to a good study material to study Petrov Classification from?
I recommend you to first have a good handle of Spinors in GR. I personally took this route in getting a grip on Spinors:
A Child's Guide to Spinors : http://www.weylmann.com/spinor.pdf
An Introducti …