In GR What Is Gravity A Force Or Curvature Of Spacetime
Pricing Hair And Beauty Salon Ringwood William And Mary Nov 25 2024 nbsp 0183 32 In GR there are geodesic paths clearly determined by position and speed and no force And it becomes more complicated when the object itself has a significant mass For example the
Can Perfectly Stable Orbits Exist In GR Physics Stack Exchange, Jul 18 2024 nbsp 0183 32 This does not happen in GR but can happen in various scalar Tensor theories Note that this would still not produce a perfectly stable orbit since you are now drawing from mass and spin of Pricing Hair And Beauty Salon Ringwood William And Mary
Lorentz Transformation In GR Physics Stack Exchange
Nov 13 2020 nbsp 0183 32 In GR you can use a Lorentz transformation to switch between local inertial frames in the vicinity of any given event You only apply such a transformation locally
Null Geodesic Equation Physics Stack Exchange, Of course if you choose a parametrization of any curve satisfying g ij V iV j text const This remains true along the curve I am asking if the constant is zero which makes the curve null and any
Why Can We Assume Torsion Is Zero In GR Physics Stack Exchange
Why Can We Assume Torsion Is Zero In GR Physics Stack Exchange, There are at least two approaches to torsion in the geometric framework behind general relativity First we can use it to encode a new degree of freedom of the theory The coupling of spin to the
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Why Do We Need The Metric In GR Physics Stack Exchange
Why Do We Need The Metric In GR Physics Stack Exchange Apr 15 2025 nbsp 0183 32 The equivalence principle only needs the connection coefficients to describe gravity so why isn t the metric just the Minkowski metric and we work with the connection coefficients Is there a
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I just want to know why in GR 4 functions freedom xi mu x can decrease 4 d o f while in electrodynamics 1 function freedom Lambda x can decrease 2 d o f Questions About The Degree Of Freedom In General Relativity. In general relativity the symmetry is the diffeomorphism group not the Poincare group or Lorentz group 4 vectors in GR only exist locally but energy and momentum are not local quantities so they cannot In GR on the other hand there s no preferred system of coordinates e g writing Einstein s equations out in Cartesian coordinates would decrease rather than increase the physical intuition so we almost
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