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Results tagged with mathematical-physics
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user 29990
DO NOT USE THIS TAG just because your question involves math! If your question is on simplification of a mathematical expression, please ask it at math.stackexchange.com. Mathematical physics is the mathematically rigorous study of the foundations of physics, and the application of advanced mathematical methods to problems in physics. Examples include partial differential equations (PDEs), variational calculus, functional analysis, and potential theory.
4
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Continuous spectrum (quantum mechanics) [duplicate]
Does a continuous spectrum of an observable always imply that the corresponding eigenvectors will not be normalizable? If yes, how to prove it?
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4
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1
answer
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A boundary term for a Bessel Function?
I am reading 't Hooft lectures on black holes and on p. 35, it is stated, that it is not difficult to show that
$$ K^*(\omega,a)=\int_0^{\infty} \frac{ds}{s} e^{-i\omega \ln{s} + ia(s-\frac{1}{s})} = …
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