Special and General Relativity Forum

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Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.
Graduate Linearized Einstein Field Equations
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Graduate Geodesic Equation from conservation of energy-momentum
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Graduate Holes in a 2-D surface and holes in 3-D space
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Graduate Stuffing a black hole full of electrons?
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Graduate How do the concepts of 'constant c' and 'locality' work in GR?
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Graduate Is the current view of the intergalactic speed limit short sighted?
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Graduate Error in Bel's 1958 Article: Correcting Lanczos Formula
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FTL Travel - Are we in trouble when the oil runs out?
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Graduate Proving the Vacuum Field Equations are Trivial for n=3
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Graduate Is it possible to see objects move faster than c?
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Graduate Atkisnon's derivation of \gamma factor.
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Graduate Big Crunch in Robertson-Walker Models
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Graduate Quick idea on the make-up of matter
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Graduate Using length contraction to push a bomb trigger
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Graduate How does a photon experience time at light speed?
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Undergrad Tensors & Ranks: Explained for Beginners
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Undergrad Is there such a thing as a photonic boom?
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Graduate Vanishing Ricci Tensor in 3 Dimensions
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Graduate Naked singularities, timelike singularities
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Graduate Speed of mass-energy flux, derived from stress-energy?
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Graduate General relativity and tidal forces
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Graduate Why can we not treat gravity as a force?
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Graduate If moving object decelerated into your frame, will it lengthen?
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Graduate Can We Detect an Antimatter Black Hole?
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Graduate Rotation at close to the speed of light
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Graduate Can we see light if we move our eyes at speed of light?
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Graduate Is Gravity Really Just Curved Spacetime?
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Graduate Bitensor covariant derivative commutation
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Graduate Relativistic maxwell-boltzmann-distribution
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Graduate Stereographic projection in de Sitter cosmological model
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Graduate Time Dilation: Explaining Why Velocity of Light is Perpendicular
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High School Is Time Really the Fourth Dimension?
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Graduate Finding znew for Covariant Conservation
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Graduate Retarded Green Function in Curved Spacetime
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Graduate 2 approaching objects at velocity
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Undergrad Local Landmarks & General Relativity
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Undergrad How Does Mass-Energy Equivalence Relate to Gravity?
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Graduate Deriving L-T Metric: Understanding Schwarzschild & Einstein's GR
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Graduate How does relativity explain inertia
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Graduate Two dimensional manifold are conformally flat
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Graduate Einstein's Equations in Dimension 4
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Graduate Can the BTZ Black Hole Solutions Be Valid with Different Cosmological Constants?
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Graduate Time dilation around a planet.
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Graduate Speed of light in an expanding universe
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Graduate Why Does Kinetic Energy of Electron in Photoelectrics Follow Classical Approach?
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Graduate Source tracelessness, divergencelessness at invariant speed
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Graduate Components of Einstein's Equations in 4 dimensions
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Graduate Gravitational and movement related time dilation
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Graduate How is proper acceleration defined?
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Graduate Moving equal to or faster than c
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Graduate GPS Clock After One Year: Time & Relativistic Effects
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Graduate Coordinate-free special relativity
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Graduate Who Measures Proper Time Interval in Astronaut Problem?
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Undergrad Lorentz transformation Problem, Confused on setting it up
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Graduate Hawking Time Travel Experiment
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Graduate Vacuum Solutions to Einstein's Equations
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Graduate Revised Field Equations for GR Explain Dark Energy and Dark Matter
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Graduate Can a Photon Create a Black Hole in Different Frames of Reference?
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Graduate Visualization of metric tensor
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Graduate Can anyone to study a simple case of GR.?
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Undergrad Speed of light is a constant. How?
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Graduate Explosion of a moving mass into two parts.
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Graduate Relativity 101: Near speed of light travel
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Graduate Conservation of stress-energy with quintessence
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Graduate Do gravitational waves penetrate black holes?
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Graduate One-way tests of special relativity
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Graduate Distance between fast moving objects
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Graduate Entropy & Relativity: What's the Relationship?
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Graduate A Universe with no Twin Paradox
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Graduate Hawking Radiation inside a Black Hole?
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Undergrad Calculating a Character's Warp Speed in a Book
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Graduate Shape Operator for Schwarzschild spacetime in 2-dim
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Graduate Speed of light shot from behind
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Graduate About quantum entanglement and relativity of simultaneity
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Undergrad Is the speed of light constant in a medium?
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Graduate A few questions about gravity, space, and reality in general
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Graduate Question about gravitational redshift
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Graduate Unified Theory of Dark Matter, Dark Energy from altered EFE
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Graduate Is it possible for a photon lifetime to be complex ?
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Graduate On modified theories of gravity
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Graduate Relativistic Doppler and preferred frame
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Graduate Photon sphere vs horizon as a null suface
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Graduate Effect of cosmological expansion on bound systems in realistic cosmologies
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Graduate Understanding Gravity: Force or Curvature of Space?
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Graduate Particle on a curved trajectory
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Graduate Why does low frequency light appear to travel faster than high frequency light?
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Graduate Question about theorem 2.2.1 in Wald's General Relativity
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Graduate How Does Gravity from Nearby Stars Affect Black Hole Movement?
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Graduate Why does Bailey experiment not show gravitational time dilation?
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Graduate How Do Black Holes Emit Photons?
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Graduate Does Relativity Allow for Faster-than-Light Travel?
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Graduate What is the Doppler effect in different frames of observation?
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Graduate Lorentz invariance of four-volume element [itex] d^4x [/itex]
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Graduate Requesting Clear Description of Contravariant vs Covariant vectors
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Graduate What is zero time between events?
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Graduate Points of reference for time dilation
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Graduate Calculating Velocity of Moving Objects Relative to Each Other
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Graduate Speed of the light and dilation of time
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Undergrad The Motion of Photons: Where Does the Energy Go?
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Graduate Problem with Schwarzschild metric derivation
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