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seen Aug 16 at 21:43

Jul
24
revised Particle energy in conformal FRW spacetime?
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Jul
24
revised Particle energy in conformal FRW spacetime?
added 179 characters in body
Jul
24
revised Particle energy in conformal FRW spacetime?
added 179 characters in body
Jul
24
revised Particle energy in conformal FRW spacetime?
added 179 characters in body
Jul
24
revised Particle energy in conformal FRW spacetime?
added 189 characters in body
Jul
24
asked Particle energy in conformal FRW spacetime?
Jul
18
revised Particle energy in general relativity?
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Jul
18
revised Particle energy in general relativity?
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Jul
18
revised Particle energy in general relativity?
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Jul
18
comment Particle energy in general relativity?
Ok so I can take $E=-mg_{00}dt/d\tau$ to be the general expression for the energy of a particle?
Jul
18
revised Particle energy in general relativity?
added 11 characters in body
Jul
18
comment Particle energy in general relativity?
So is the particle energy $E=t_\mu u^\mu$ generally valid even if $t^\mu$ is not a Killing vector or $u^\mu$ is not tangent to a geodesic so that $E$ changes?
Jul
18
revised Particle energy in general relativity?
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Jul
18
revised Particle energy in general relativity?
added 33 characters in body
Jul
18
revised Particle energy in general relativity?
added 68 characters in body
Jul
18
asked Particle energy in general relativity?
Jun
26
accepted Relationship between gravitational time dilation and energy?
Jun
24
asked Relationship between gravitational time dilation and energy?
Jun
16
accepted Derivation of form of perfect fluid stress-energy tensor
Jun
16
asked Derivation of form of perfect fluid stress-energy tensor