57,738 reputation
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location New York City
age 41
visits member for 3 years, 2 months
seen 19 hours ago

I do not participate on this site any longer, except to respond to comments regarding my own text, if that text is unavailable in another form. I do not accept the political moderation atmosphere here, it is not compatible with open science. I participate at physicsoverflow.org.


Aug
12
answered Does the lack of modular nuclearity in string theory mean anything?
Aug
12
answered What is a “classical Schrodinger field”, really?
Aug
11
answered determine temperature at which pita bread will expand in a toaster
Aug
11
awarded  Supporter
Aug
11
comment If photons have no mass, how can they have momentum?
@Ben: the "stress energy tensor" has the energy density as it's 00 component, and the integral of that over space is the relativistic mass. A light wave has a complicated gravitational field, because it is moving fast, but two light-waves moving in opposite directions which are at a box gravitate exactly like a point mass with their "relativistic mass" GM/r^2. "Relativistic mass" is just another name for the energy for a person who has not internalize their equivalence yet.
Aug
11
comment Path integral vs. measure on infinite dimensional space
This answer is impossibly misleading: when you say you can handle 4d Yang Mills in finite volume, you mean 4d lattice Yang Mills in finite volume, with finite coupling. when the gauge group is a compact product group. Big deal. The whole problem is defining Yang Mills in a continuum in a finite volume, which is equivalent to the infinite volume/zero coupling limit, and none of the so-called "experts" can handle that.
Aug
11
comment Path integral vs. measure on infinite dimensional space
I didn't say that all the problems can be cured, only the measure theoretic headaches--- defining a sigma algebra on the set of distributions, when you don't know what their properties are a-priori. This approach automatically shifts the difficulties to the places they are real. There is no reference--- it's my own personal view. But I guarantee you that if I ever construct a nonfree field, I will do it within a Solovay model.
Aug
10
awarded  Editor
Aug
10
revised Is there any interacting quantum field theory of massless spin-1 fields expressed locally entirely in terms of F, with no vector potential?
explain why it doesn't really answer the question
Aug
9
suggested suggested edit on Is there any interacting quantum field theory of massless spin-1 fields expressed locally entirely in terms of F, with no vector potential?
Aug
9
awarded  Teacher
Aug
9
answered Path integral vs. measure on infinite dimensional space
Aug
9
suggested suggested edit on Is there any interacting quantum field theory of massless spin-1 fields expressed locally entirely in terms of F, with no vector potential?
Aug
9
answered The Impossibility ( or Possibility) of Solving $N$-Body Problem
Aug
9
answered Singularity-free stationary electro-vacuum solution
Aug
9
answered Is there any interacting quantum field theory of massless spin-1 fields expressed locally entirely in terms of F, with no vector potential?
Aug
9
answered How come random matrices can predict energy spectra of heavy atoms?