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 What is the gamma factor in a particle's rest frame?
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Undergrad Issues with the variation of Christoffel symbols
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Undergrad Examples of invariant quantities
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Undergrad Universe Inside Black Hole: Principles Different?
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Undergrad Is there any way to derive the time dilation formula?
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Undergrad Riemann curvature tensor derivation
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Undergrad Deriving Covariant Form of $E_{1}E_{2}|\vec{v}|$
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Undergrad Why doesn't a photon's mass increase to infinity?
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Undergrad How do non-inertial frames affect special relativity?
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Undergrad Geometric Meaning of Complex Null Vector in Newman-Penrose Formalism
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Undergrad Can Newton's Theory Apply in a Small Volume?
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Undergrad A moving rod; two Lorentz boosts compared with one
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Undergrad Charged Particles Radiating in "Free Fall" into Black Holes
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Undergrad Rotating Black Hole w/ Ring: Spacetime Effects
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Undergrad The metrics to describe a wormhole
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Undergrad Spacetime is homogeneous and isotropic
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Undergrad The relativistic de Broglie equation
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Undergrad Why does bent space set objects in motion?
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Undergrad Expressing Locality in Vector Space for GR
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Undergrad Basis Vectors & Inner Product: A No-Nonsense Introduction
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Undergrad Radial Acceleration of Rotating Singularities: Planck Length & Beyond
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Undergrad Lie Algebras & Relativity: Usefulness & Purpose
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Undergrad What is the difference between covariance and invariance in special relativity?
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Undergrad Modeling Simple N-body in Hypothetical Relativistic Dark Flow w/ Netlogo
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Undergrad Did the big bang singularity not have a history?
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Undergrad Time dilation vs the Equivalence principle
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Undergrad A paradox connected to General Relativity
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Undergrad Accuracy of Relativity vs Quantum Mechanics Measurement
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Undergrad Tangible example of relativity of simultaneity
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Undergrad A minus sign in the gravitational potential
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Undergrad Del with Superscript in Carroll's Equation
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Undergrad Number of Geodesics Between Two Points: Topology vs. Homeomorphism
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Undergrad Modified Schwarzschild Metric: Length Contraction Consequences
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Undergrad Interesting Derivation of Maxwell's Equations
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Undergrad Can we deal with relativistic mass once and for all?
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Undergrad Geodesic Maximality: Answers to Relativists' Questions
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Undergrad Does Rest Mass Change if c Varies?
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Undergrad Simultaneity: Train and Lightning Thought Experiment
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Undergrad Lorentz Transformation Matrix: Tensor of Order 2?
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Undergrad Some geometry questions re Schwarzschild metric
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Undergrad Black Hole Radiation: Questions Clarified
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Undergrad Theory of Acceleration: Is There a Limit?
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Undergrad Find Solutions to Helical Worldline's Surfaces of Simultaneity
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Undergrad Weight of a relativistic particle
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Undergrad Why is the conservation of electric charge expressed in the continuity equation?
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Undergrad Delta Notation in GR: Replacing vs Raising/Lowering
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Undergrad De Sitter Universe: Divergent Parallel Lines?
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Undergrad Light From Black Holes: GR vs QM
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Undergrad Event Horizons - Holographic Principle
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Undergrad Latest Gamma Ray Burst Experimental results
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Undergrad Can anyone help me understand the Equivalence Principle
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Undergrad Metric Measurements: Explaining dx vs adx
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Undergrad Black hole event horizon confusion
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Undergrad Deflection of Starlight by Newtonian Gravity - Example Calculation
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Undergrad How can General Relativity explain the Moon drifting apart from Earth
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Undergrad Understanding Length Contraction: What is Limit of Vanishing Transport Velocity?
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Undergrad Thermodynamics of Black Holes: Analyzing Carnot Cycles
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Undergrad Are spherically symmetric and isotropic the same
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Undergrad FRW metric derivation: constraints from isotropic and homoge
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Undergrad Transforming to Local Inertial Coordinates
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Undergrad Demonstration of relation between geodesics and FLRW metric
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Undergrad Mass of Bound Particles & Mass-Energy Equivalence
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Undergrad Gravity Inside and Outside a Moving Lift
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Undergrad Angular Velocity: Can a Body Move Faster Than C?
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Undergrad Communicating with Black Hole Time Warp: A to B and Back Again
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Undergrad Is the Scientific American Article on the Twin Paradox Accurate?
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Undergrad Relativistic Energy Dispersion Relation: Explained
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Undergrad Derivation of E=mc2 from Four-Vector Definitions in Special Relativity
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Undergrad Feynman II, equation 26.11, off by a factor
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Undergrad Space Contraction: Does Moving Frame Affect Observation?
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Undergrad Contravariant first index, covariant on second, Vice versa?
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Undergrad Using Black Holes to Time Travel Into the Future
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Undergrad Derivatives of EM Four-Potential: Euler-Lagrange to $\nabla \times B$
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Undergrad Derivation notation with capital D?
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Undergrad Sum Maxwell Lagrangian 1st Term: Use Minus Signs?
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Undergrad Why do we need a theory to replace the Galilian composition of velocities?
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Undergrad Measuring Space Curvature w/ Swarzschild Coordinate System: Q&A
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Undergrad Lorenz Transformation of Time: Explained
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Undergrad Relativistic Effect on Object Accelerated to 10000-10000m/s^2
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Undergrad Explaining Spacetime Dragging: Gravity, EM & Smooth Objects
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Undergrad Deriving Divergence Formula in General Relativity
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Undergrad General Relativity & The Sun: Does it Revolve Around Earth?
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Undergrad Interstellar Travel Without Propulsion or Time Dilation
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Undergrad Is force/mass ratio an invariant quantity in GR?
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Undergrad Charged black hole - static electric field lines
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Undergrad Parabolic Motion from Hyperbolic Motion
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Undergrad Stress–energy pseudotensor of gravitation field for DE
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Undergrad Sanity Check: Four-Force & Variable Mass
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Undergrad Can I be taught general and special Relativity on this forum
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Undergrad Understanding Special & General Relativity: Inertial vs. Gravitational Frames
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Undergrad Black Holes and Charged Particles
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Undergrad Confused About Lorentz Generators
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Undergrad Relativistic Calculus Books & PDFs | Free Resources
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Undergrad Do Black Holes Have Walls That Define Their Structure?
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Undergrad How much time dilation is there within a contracting remnant
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Undergrad Can a Gravitational 'Gun' Accelerate Objects?
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Undergrad Pseudotensors in different dimensions
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Undergrad Vectors in Minkowski Space & Parity: Checking the Effect
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Undergrad Relativistic Particles: Reaching Absolute Temperature?
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Undergrad What Makes Ohanian's Approach to General Relativity Unique?
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