Timeline for Is the quantization of gravity necessary for a quantum theory of gravity?
Current License: CC BY-SA 3.0
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| Feb 27, 2013 at 18:35 | comment | added | user1504 | @John: Einstein's vacuum equations are a consequence of string theory's assumptions. They are not 'built in' in the sense of being assumed. | |
| Jan 29, 2013 at 22:37 | comment | added | JKL | Well, you have said it yourself differently: "Einstein's vacuum equations are built into ST, ..." In other words ST do not 'prove' GR at the low energy scale. I did not disqualify any theory in what I said. Theories usually disqualify themselves by failing to make contact with experiment. As the great Richard Feynman said in the character of the physical law : "...if the theory is not verified by experiment, it doesn't matter how beautiful it is or what your name is ..." | |
| Jan 29, 2013 at 0:05 | comment | added | Dilaton | I disagree with some points: Einstein s vacuum equation are intrinsically built into ST, so there is actually no problem in recovering GR from ST. In addition, quantum gravities are intended to explain physics at the quantum gravity (Planck) scale, so any effects observable at our accessible energy scales would be a highly welcome bonus, but the absence of such effects in at present doable experiments would by no means be sufficient to disqualify any of the available quantum gravity theories. | |
| Jan 28, 2013 at 22:44 | history | edited | JKL | CC BY-SA 3.0 |
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| Jan 26, 2013 at 13:37 | comment | added | Jonathan Gleason | I've since added to my original question, and I would be interested if you have anything additional to say. | |
| Jan 26, 2013 at 10:29 | history | edited | JKL | CC BY-SA 3.0 |
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| Jan 26, 2013 at 10:23 | history | answered | JKL | CC BY-SA 3.0 |