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Special-relativity
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Definition of the Spacetime Interval
April 29th, 2021
special-relativity
invariants
coordinate-systems
metric-tensor
spacetime
4-momentum of photon
August 22nd, 2022
photons
special-relativity
How is the speed of light constant in all directions for all observers?
September 3rd, 2022
reference-frames
special-relativity
speed-of-light
Where's the energy in a boosted capacitor?
August 1st, 2022
electromagnetism
special-relativity
energy
electrostatics
capacitance
Does entanglement not immediately contradict the theory of special relativity?
March 26th, 2020
quantum-mechanics
special-relativity
quantum-entanglement
faster-than-light
Relativistic Doppler effect derivation
December 27th, 2020
homework-and-exercises
special-relativity
visible-light
doppler-effect
Relativistic Computation?
January 20th, 2021
special-relativity
black-holes
event-horizon
What is Relativistic Navier-Stokes Equation Through Einstein Notation?
February 21st, 2020
special-relativity
fluid-dynamics
continuum-mechanics
Does the discreteness of spacetime in canonical approaches imply good bye to STR?
April 15th, 2022
special-relativity
loop-quantum-gravity
Why isn't the symmetric twin paradox a paradox?
January 24th, 2020
special-relativity
time
twin-paradox
$(\frac{1}{2},\frac{1}{2})$ representation of $SU(2)\otimes SU(2)$
January 17th, 2020
group-representations
lorentz-symmetry
quantum-field-theory
special-relativity
group-theory
Is Einstein's Special Relativity completely inclusive of Newton's 3 laws of motion?
August 14th, 2022
newtonian-mechanics
special-relativity
Is special relativity a special case of general relativity, qualitatively?
September 5th, 2022
general-relativity
special-relativity
Entanglement and simultaneity
December 24th, 2020
quantum-mechanics
special-relativity
time
quantum-entanglement
measurement-problem
How can we prove charge invariance under Lorentz Transformation?
August 1st, 2022
electromagnetism
special-relativity
Why are usually 4x4 gamma matrices used?
June 4th, 2020
special-relativity
dirac-equation
representation-theory
dirac-matrices
Are basis vectors imaginary in special relativity?
August 1st, 2022
special-relativity
metric-tensor
complex-numbers
If photons don't experience time, does that mean time is a consequence of mass?
August 1st, 2022
special-relativity
mass
time
inertial-frames
popular-science
Why Speed of light in vacuum remains constant?
August 1st, 2022
special-relativity
visible-light
speed-of-light
inertial-frames
Can One-Way Speed of Light be Instantaneous?
August 1st, 2022
special-relativity
speed-of-light
one-way-speed-of-light
Since the speed of light is constant and also the speed limit; would you, in your reference frame, have no upper bound on your speed?
May 24th, 2021
special-relativity
speed-of-light
inertial-frames
observers
faster-than-light
How fast can time flow? A question of time dilation
September 3rd, 2022
time
reference-frames
spacetime
special-relativity
Travel duration from Earth to a star at 9.8 m/s² acceleration
May 31st, 2020
homework-and-exercises
special-relativity
rocket-science
space-travel
Lorentz transformation of the Spinor Field
May 30th, 2020
quantum-field-theory
special-relativity
dirac-equation
spinors
Why do we use the complexification of the Lorentz group?
August 13th, 2022
special-relativity
group-theory
group-representations
What does the statement "the laws of physics are invariant" mean?
April 11th, 2021
reference-frames
symmetry
inertial-frames
covariance
special-relativity
How to derive $E=mc^{2}$?
June 15th, 2020
special-relativity
units
mass-energy
Minkowski spacetime: Is there a signature (+,+,+,+)?
October 6th, 2020
special-relativity
spacetime
metric-tensor
complex-numbers
wick-rotation
Special relativity and imaginary coefficient of the time coordinate
June 28th, 2020
special-relativity
history
complex-numbers
wick-rotation
Why do clocks measure arc-length?
October 23rd, 2020
time
spacetime
special-relativity
general-relativity
relativity
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