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Theoretical physicist from Vienna, Austria. My focus is the theory of strong interactions and its study via the AdS/CFT correspondence, but I am also interested in aspects of general relativity, particle physics and string theory not related to holography.


Jun
10
answered Why is $U(1)$ special when defining global charges?
May
5
answered Understanding the AdS/CFT Correspondence
Apr
29
comment If you are only interested in deriving Feynman diagrams can you skip path integrals and just compute greens functions?
Could you please provide a reference on this operator?
Apr
29
comment If you are only interested in deriving Feynman diagrams can you skip path integrals and just compute greens functions?
If you ignore interaction terms, how are you then supposed to study Feynman diagrams containing interaction vertices?
Apr
27
revised Speed of sound in an inifinitely dense medium
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Apr
27
revised Speed of sound in an inifinitely dense medium
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Apr
27
revised Speed of sound in an inifinitely dense medium
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Apr
27
answered Speed of sound in an inifinitely dense medium
Mar
21
comment What does it mean to “uplift” a supergravity solution to higher dimensions?
You're welcome! It works just the same way as the reduction. You just use the formulas the other way around. You can find them both in Polchinski I and D-Branes by Johnson.
Mar
21
answered What does it mean to “uplift” a supergravity solution to higher dimensions?
Mar
4
awarded  Good Question
Dec
3
comment Closed strings = open ones attached to a D0-brane?
@JustAsking: The potentials will not cancel everywhere. The system would be similar to a dipole in electrostatics, which has non-vanishing potential and field-strength.
Dec
3
answered Closed strings = open ones attached to a D0-brane?
Nov
28
awarded  Nice Answer
Nov
28
answered The spin and weight of a primary field in CFT
Nov
28
reviewed Approve Are atoms made of protons, electrons and neutrinos?
Nov
28
answered The contribution to the one loop beta function for the WZW model
Nov
28
revised Are atoms made of protons, electrons and neutrinos?
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Nov
28
revised Are atoms made of protons, electrons and neutrinos?
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Nov
28
revised Are atoms made of protons, electrons and neutrinos?
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