07-20-2007
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 Resident Diabolist   | EM-tensor...strong energy condition I have a stupid, I think at least, question on the energy-momentum tensor. What does the trace exactly mean? In the case of a perfect fluid we would have the trace being  +3p i.e. the energy density plus 3 times the pressure. It is the total what? What does it imply if it is say zero?Thanks in advance for answering this, I think really basic, question! ---------------- Administrator A COUNTRY WITHOUT AN ARMY IS LIKE A FISH WITHOUT A BIKE!!! I don't believe in god, but I do believe in what others call utopies. Last edited by sanctus; 07-22-2007 at 06:18 AM. Reason: changed title | |
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07-22-2007
| #2 (permalink) | |
| Resident Diabolist | Re: EM-tensor...strong energy condition Or in other words what does the strong energy condition intuitively mean? ---------------- Administrator A COUNTRY WITHOUT AN ARMY IS LIKE A FISH WITHOUT A BIKE!!! I don't believe in god, but I do believe in what others call utopies. | |
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