Linked Questions

1
vote
1answer
614 views

Delta functional in path integrals

In a few articles dealing with path integral quantization I came across some calculations where apparently identities of the form \begin{equation} \int (\mathcal{D}\Phi)\, \delta(-\partial_0\Phi+j)\,\,...
0
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0answers
793 views

QFT as a rigorous mathematical theory [duplicate]

I understood that quantum field theory is essentially based on a problematic mathematical basis. Can someone please explain what is the fundamental problem to formulate QFT as a rigorous mathematical ...
5
votes
1answer
261 views

Set theories used in mathematical physical theories

For most theorems, this is unimportant - a typical problem will have the same solutions in NFU, ZFC or some other theory, since said theories got popular precisely because they give pretty much the ...
3
votes
1answer
291 views

Rigorous mathematical formalism of particle physics

Can anyone provide me with a rigorous mathematical definition of the fundamental particles (all fundamental bosons and fermions), reflecting the analogy of action of groups with interaction of ...
1
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1answer
160 views

Trajectories piecewise smooth?

In my studies of calculus and real analysis I have found the proofs of several theorems, commonly used in physics, such as those concerning the conservativity of fields, for example like If $\...
0
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0answers
91 views

Reference request for mathematical physics from an axiomatically rigorous perspective [duplicate]

Being a grad student in math, and a rather pedantic one indeed, I was unable to accept many of the things taught to me in undergrad physics courses. I am now trying to learn the applications of ...
1
vote
0answers
64 views

Using intuition to understand physics concepts, how and when to let that need for intuition go? [closed]

Those of us who grew up solving Newtonian mechanics, electrostatics, and calculus of 1-3 variables problems developed good intuition for understanding simple concepts. This helped me condition a ...
0
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0answers
52 views

Selfstudying math with rigour is useful for a physics undergrad who want be a theoretical physicist (String theory, quantum gravity)? [closed]

When I say "math" I'm referring specifically to Topology, Differential Geometry and Group Theory. I've seen some colleagues studying such mathematical topics only superficially, i.e in group theory, ...

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