1,631 reputation
1331
bio website physics.uwa.edu.au/~styler
location Melbourne, Australia
age 33
visits member for 4 years
seen Nov 12 at 20:07

Nov
15
awarded  Yearling
Nov
14
awarded  Good Question
Nov
1
comment Vacuum to vacuum transition amplitude using functional integral
Vladimir is correct. Try thinking of $\phi$ and $J$ as vectors with a continuous index $x$ and so $P$ and $P^{-1}$ are matrices indexed by $x$ and $y$. To make this work, the functional version of $P$ is actually $P(x,y) = (\square+m^2-i\epsilon)\delta^4(x,y)$ where $\delta$ is the Dirac delta function.
Sep
30
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25
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Sep
18
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Jul
2
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Jun
24
revised Explicit supersymmetry breaking fermion mass terms
added the missing m_{ij}
Jun
24
suggested suggested edit on Explicit supersymmetry breaking fermion mass terms
Jun
19
awarded  Notable Question
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16
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13
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Jan
1
revised How to prove quantum N=4 Super-Yang-Mills is superconformal?
TeXified the TeXifiable math
Jan
1
suggested suggested edit on How to prove quantum N=4 Super-Yang-Mills is superconformal?
Dec
22
awarded  Revival
Nov
20
comment Superfields and the Inconsistency of regularization by dimensional reduction
@Undo - thanks for the bounty!
Nov
20
comment Superfields and the Inconsistency of regularization by dimensional reduction
@Trimok: I think that if the number of fields don't match then you can't have supersymmetry. However the $2^{d/2}$ structure was considered by people like Delbourgo and others back in the 70s and 80s. I can't remember the details...
Nov
15
awarded  Yearling
Oct
29
comment Superfields and the Inconsistency of regularization by dimensional reduction
@Jose: That does not address the question being asked.
Oct
29
comment Why do people rule out zeta regularization for renormalization?
This question does not seem to have any physics content. People don't rule out zeta function regularization. It is often used in one-loop calculations and whole books have been written about it. However, it is awkward to use at higher loops which prevents it's mainstream use in large scale calculations.