Categories
Tags
General-relativity
New post in General-relativity
Does the speed of light vary in non-inertial frames?
February 13th, 2020
reference-frames
special-relativity
speed-of-light
inertial-frames
general-relativity
Do the Earth and I apply the same gravitational force on each other in GR?
August 1st, 2022
general-relativity
forces
conservation-laws
momentum
Why did we expect gravitational mass and inertial mass to be different?
August 9th, 2022
inertia
equivalence-principle
mass
gravity
general-relativity
Dirac equation in curved space-time
August 1st, 2022
quantum-field-theory
general-relativity
differential-geometry
dirac-equation
Black hole with two singularities?
October 3rd, 2020
singularities
general-relativity
black-holes
Euclidean derivation of the black hole temperature; conical singularities
February 28th, 2020
general-relativity
wick-rotation
gravitational-redshift
singularities
black-holes
Does GR provide a maximum electric field limit?
August 25th, 2020
general-relativity
classical-electrodynamics
If gravity isn't a force, then why do we learn in school that it is?
August 1st, 2022
forces
gravity
general-relativity
Yang-Mills vs Einstein-Hilbert Action
June 14th, 2020
yang-mills
geometry
gauge-theory
gravity
general-relativity
Can all fundamental forces be fictitious forces?
August 1st, 2022
general-relativity
forces
reference-frames
interactions
unified-theories
If two ultra-relativistic billiard balls just miss, will they still form a black hole?
September 5th, 2020
general-relativity
gravity
black-holes
In theory, could gravitational waves be used to make a "gravity laser"?
August 1st, 2022
general-relativity
gravity
gravitational-waves
If all motion is relative, how does light have a finite speed?
August 10th, 2022
general-relativity
special-relativity
speed-of-light
relative-motion
Dependence of spin on classical vs non-classical physics?
October 12th, 2020
quantum-mechanics
quantum-field-theory
thermodynamics
general-relativity
special-relativity
Is there 'friction' in spacetime?
August 1st, 2022
general-relativity
spacetime
friction
gravitational-waves
Why can’t gravitons distinguish gravity and inertial acceleration?
August 1st, 2022
general-relativity
particle-physics
acceleration
quantum-gravity
equivalence-principle
Better explanation of the common general relativity illustration (stretched sheet of fabric)
August 1st, 2022
general-relativity
gravity
popular-science
curvature
spacetime
Is topology of universe observable?
August 1st, 2022
general-relativity
cosmology
topology
differential-geometry
Swimming in Spacetime - apparent conserved quantity violation
August 1st, 2022
general-relativity
noethers-theorem
spacetime
Could gravity be an emergent property of nature?
August 1st, 2022
cosmology
gravity
general-relativity
research-level
standard-model
Why does the analogy between electromagnetism and general relativity differ if you consider them as gauge theories or fiber bundles?
June 18th, 2020
gauge-theory
general-relativity
electromagnetism
covariance
differential-geometry
Degrees of freedom of Riemann curvature tensor
August 1st, 2022
differential-geometry
general-relativity
curvature
tensors
riemannian-geometry
Cauchy-Schwarz for metrics with arbitrary signatures
August 1st, 2022
general-relativity
metric-spaces
linear-algebra
normed-spaces
inner-products
Divergence in terms of Levi-Civita connection
August 1st, 2022
differential-topology
differential-geometry
general-relativity
Covariant derivative of a $(1,1)$ tensor field
March 13th, 2020
general-relativity
differential-geometry
connections
tensors
What is contracting a tensor actually doing?
August 1st, 2022
tensors
differential-geometry
general-relativity
What were the findings of the Pound-Rebka Experiment?
July 26th, 2022
frequency
general-relativity
gravitational-redshift
electromagnetic-radiation
experimental-physics
How to calculate the vacuum expectation value of energy momentum tensor of a scalar field?
July 26th, 2022
cosmological-constant
quantum-field-theory
general-relativity
qft-in-curved-spacetime
Are Black Holes 4 dimensional?
July 26th, 2022
spacetime
event-horizon
general-relativity
black-holes
Line Element Transformation
July 26th, 2022
homework-and-exercises
general-relativity
metric-tensor
coordinate-systems
differential-geometry
←
1
2
…
49
50
51
52
53
54
55
56
57
→