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Apr
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awarded  Enthusiast
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awarded  Popular Question
Mar
31
awarded  Disciplined
May
28
accepted What is conformal gauge?
May
22
comment What is conformal gauge?
Thanks for the answer!
Jan
17
asked 't Hooft many instanton solutions
Nov
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awarded  Notable Question
Oct
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awarded  Yearling
Oct
27
revised What is conformal gauge?
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Oct
27
revised What is conformal gauge?
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Oct
26
comment What is conformal gauge?
Thanks for the reference, I will chack it a bit later ;)
Oct
26
comment What is conformal gauge?
I mean that they do them while analyzing CGHS model and similar model. I do not understand the following thing: "why are we satisfied when we obtain the solutions for metrics and fields in conformal gauge for action, which we get after weyl transformation etc?" Because action and equations in, for example, CGHS model has no invariance under weyl transformation and conformal gauge, hasn't it?
Oct
26
comment What is conformal gauge?
It seems to me that you haven't answer my question. I asked about the role and meaning of these transformations in gravity. The connection is not obvious.
Oct
26
asked What is conformal gauge?
Oct
8
accepted Two expressions for topological instanton number
Oct
8
comment Two expressions for topological instanton number
Btw, I think you meant $-9 dA\wedge A\wedge A$ instead of $-9 A\wedge A\wedge A$, right? (:
Oct
6
comment Two expressions for topological instanton number
Thank you for your answer! Also I've learned how to write "trace" in the right way from it ;)
Oct
6
revised Two expressions for topological instanton number
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Oct
6
asked Two expressions for topological instanton number
Sep
17
comment Poincare invariant Lagrangians
In general, as far as I know, fields are maps from manifold M to manifold N. What do you mean saying "function of $\phi(x)$"? Do you mean the image of this map in some chosen local coordinates on N?