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.
Undergrad Finite Lorentz Transformation via Poisson Bracket
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Undergrad Special Relativity & Non-Instantaneous Force Equations
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Undergrad Gravity transition directly at the underside of a "shell planet"
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Undergrad Another spacetime visualization
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Undergrad Variation of Ricci scalar wrt derivative of metric
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Undergrad Acceleration in Special Relativity
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Undergrad Can Newtonian Gravity be Thought of as a Theory of Curved Time?
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Undergrad Geodesics using 2 Variables: Time & Radius from Mass
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Undergrad Speed of light for a Rindler observer
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Undergrad Do you accelerate through time when you stand still on Earth?
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Undergrad What initiates gravitational movement?
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Undergrad Mercury Perihelion Precession: Analytic Derivation
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Undergrad Deriving vacuum FRW equations directly from action
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Undergrad Would light keep on a straight path after it bends?
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Undergrad General Generator of Lorentz Transformation in Hamiltonian Formalism
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Undergrad Gravitational waves as not "proximal"?
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Undergrad Rotation or acceleration defined without relation to something else
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Undergrad Length Contraction & Time Dilation: Proving It
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Undergrad Connection coefficient transformation law
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Undergrad Space Travel: Possibilities & Questions
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Undergrad The Energy - Momentum Equation vs the Energy - Mass Equation
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Undergrad Special Relativity and Velocity
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Undergrad Particle Perspective: How Relativity Affects Us
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Undergrad Supernova 100,000 Light Years Away: Agree on Time?
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Undergrad The Schwarzschild Radius: Mass vs. Energy
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Undergrad What is a Covariant Relation? GR Problem Solution Explained
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Undergrad How to Write T_{\mu v} for Energy-Momentum Tensor
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Undergrad Gravitational Waves: Hardest GR Topic?
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Undergrad What happens when twins synchronize clocks and one teleports?
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Undergrad Variation of Metric and the Energy-Momentum Tensor: Where Am I Going Wrong?
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Undergrad Solving Vanishing Tensor Eqn & Raising All Indices
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Undergrad Beginner question about tensor index manipulation
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Undergrad Convert 2x2 Matrix to 1x1 Tensor
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Undergrad Definition of Second-Order Tensor by Jim Adrian
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Undergrad Why Does Special Relativity Not Contradict General Philosophy?
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Undergrad Black Hole Bomb Effectiveness: Mirrors or Wormholes?
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Undergrad Equivalence Principle & Geometry: Ben Crowell's General Relativity
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Undergrad Which clock was slower in special relativity?
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Undergrad Is the choice of metric signature truly just a convention in physics?
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Undergrad Irreducible Representations of EM-Tensor Under Spatial Rotations
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Undergrad Muon Time Dilation in Accelerating Frames
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Undergrad Momentary Co-Moving Reference Frame in SR
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Undergrad Energy in the Schwarzschild spacetime
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Undergrad Does Spacelike Worldlines Exist?
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Undergrad How to call an invariant quantity?
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Undergrad Transformation of Intrinsic Spin: Does it Transform Like a 4-Vector?
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Undergrad How Does Hawking Radiation Lead to Black Hole Evaporation?
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Undergrad The 1964 W. Bertozzi experiment
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Undergrad Observing Black Hole Collisions: Time Dilation Explained
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Undergrad Acceleration Frame in SR: References for Research
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Undergrad Understanding Michelson Morley Experiment
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Undergrad Equation for Gravity Going to Zero at Finite Distance?
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Undergrad Lorentz Force Equation: Coercion & Maxwell Stress Tensor
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Undergrad Does Acceleration Affect Event Horizon Location?
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Undergrad Event Horizon Radius: Is it Constant?
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Undergrad Big Bang: Size & Matter of Universe Explained
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Undergrad Is space curved at the center of gravity?
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Undergrad Twin Paradox Time Dilation in Positively Curved Universe
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Undergrad Understanding the Stress-Energy Tensor in Special Relativity
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Undergrad Inertial & non-inertial frames & the principle of equivalence
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Undergrad Virtual Tidal Effect in Accelerating Ship - Does it Exist?
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Undergrad Lorentz Transforms of Electromagnetic Fields
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Undergrad Why Do Objects Fall Along Spacetime Ripples?
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Undergrad A question about time dilation
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Undergrad Relativistic Effect of Time Dilation: What is it Called?
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Undergrad Inquiry about a derivation in "A First Course in GR" by Schutz
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Undergrad Congruence vs Family of Worldlines: Taking Notes
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Undergrad Spacetime distance between spacelike related events
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Undergrad Lorentz Factor Variant: Derivation & Angle Dependence
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Undergrad Compatibility of Determinism & CTC in General Relativity
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Undergrad Equivalence principle: an electric charge and a coil
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Undergrad Twin Paradox Freely Falling Observers
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Undergrad Lorentz transformation for derivatives
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Undergrad Explore How Dropping Objects Into a Black Hole Changes It
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Undergrad "Time is an illusion" according to Einstein
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Undergrad The Twin Paradox implies that the Universe as a whole is a special frame
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Undergrad Orbits of Photons Around a Massball: Explained
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Undergrad Deriving Lorentz Transformations Using Calculus
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Undergrad Apparent Violations of Principle of Relativity?
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Undergrad A version of the twin paradox without accelerations
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Undergrad Proving Antisymmetry of Electromagnetic Field Tensor with 4-Force
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Undergrad Does General Relativity explain inertia?
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Undergrad Twin Paradox: Who Is Right, A or B?
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Undergrad Thought Experiment Proving Newtonian Momentum Not Conserved
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Undergrad Spherically Symmetric Metric: Is Singularity Free?
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Undergrad Do moving massive objects drag curved spacetime with them?
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Undergrad Mass of the Moon and Gravitational Lensing
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Undergrad Gravitational Redshift: Units, Velocity & Ratio Explained
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Undergrad Calculating Surface Area of Schwarzschild Black Hole w/Weyl Coordinates
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Undergrad Size Limit of Accelerated Rigid Body in Irrotational Born Rigid Motion
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Undergrad The Physicist & Philosopher: Einstein vs. Bergson Debate
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Undergrad Help Solve Twin Paradox Calc: A & B 1 Lyr Apart
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Undergrad Why Geodetic Equation Doesn't Accept Schwarzschild Solutions
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Undergrad Twin Paradox Explained: No Math Required
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Undergrad Distinguishing gravity from fictitious forces
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Undergrad About inertial reference frames and logical deduction
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Undergrad Gravity: A Fun Look - Any Bloopers?
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Undergrad Can We Explain the Cosmological Constant as a Tensorial Concept?
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Undergrad Lorentz Transform Deduction: Question Explained
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Undergrad Why does time dilation only affect one of the twins?
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