James

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554 reputation

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visits	member for	1 year, 8 months
	seen	Apr 21 at 21:19
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10 Questions

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36	Why do we not have spin greater than 2?
6	Why is the string theory graviton spin-2?
6	Integers powers of fields in a QFT Lagrangian
6	Stablising the Higgs without SUSY
5	Do some half-lives change over time?

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554 Reputation

+5	Do some half-lives change over time?
+15	Why do we not have spin greater than 2?
+5	How do we distinguish between virtual particle exchange and particle decay?
-2	Show that for QM operator A: $\int_{-\infty}^{\infty}\psi A^{\dagger}A\psi dx = \int_{-\infty}^{\infty}(A\psi)^*(A\psi)dx $

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5 Answers

votes activity newest

4	Why are overtones forbidden within the harmonic approximation?
1	Show that for QM operator A: $\int_{-\infty}^{\infty}\psi A^{\dagger}A\psi dx = \int_{-\infty}^{\infty}(A\psi)^*(A\psi)dx $
1	Maxwell equations invariant under Lorentz transformation but not Galilean transformations
0	Is a compact universe consistent with the results of (for example) the Michelson-Morley experiment?
0	How the nucleon structure has been identified experimentally?

34 Tags

5 quantum-mechanics × 2	1 maxwell-equations
4 spectroscopy	1 special-relativity
4 harmonic-oscillator	1 operators
1 electromagnetism	1 hilbert-space
1 symmetry	1 homework

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2 Accounts

	Physics	554 rep	310
$Mathematics Stack Exchange$	Mathematics	111 rep	1

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Yearling	Critic
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