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So the following questions were posed in an another thread by Pallen, and I thought i'd give an attempt at answering them, since they tend to show up over and over again.
"
1) It is not clear that GR and QFT must be considered in conflict that must be resolved somehow. I've seen a growing number of papers arguing several related points:
a) The need for quantum gravity at all should be considered subject
experimental verification. Maybe some form of QFT in curved
space is a valid model.
b) Progress in quantizing GR as an effective field theory
least raises the question of whether the conflict is as deep or
needful of whole new frameworks.
2) Supersymmetry preceded string theory, if my recollection is right, and has been pursued independently of string theory.
3) Thus one could posit that a research program aiming to be more in touch with experiment would look for ways choose a preferred SUSY extension to SM that had appropriate dark matter candidates, and perhaps combined with effective quantized gravity explained dark energy. "
"
1) It is not clear that GR and QFT must be considered in conflict that must be resolved somehow. I've seen a growing number of papers arguing several related points:
a) The need for quantum gravity at all should be considered subject
experimental verification. Maybe some form of QFT in curved
space is a valid model.
b) Progress in quantizing GR as an effective field theory
least raises the question of whether the conflict is as deep or
needful of whole new frameworks.
2) Supersymmetry preceded string theory, if my recollection is right, and has been pursued independently of string theory.
3) Thus one could posit that a research program aiming to be more in touch with experiment would look for ways choose a preferred SUSY extension to SM that had appropriate dark matter candidates, and perhaps combined with effective quantized gravity explained dark energy. "