David Bar Moshe

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158 Answers

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3
Can one canonical conjugate variable be considered to be the “frequency” of the other one? (which could be a “wavelength”)?
3
Does the phase space (configuration and momentum space) of particles have a Euclidean norm? Does it have a useful meaning of “distance”?
3
Feynman diagrams in effective theories
3
Stern-Gerlach-Experiment with j=1 atoms?
2
Coherent $U(N)$ intertwiners in Loop Quantum Gravity (LQG) and a measure on the Grassmannian
2
Parametrization of $U(N)$ non-linear sigma model
2
Geometric interpretation of hidden SUSY
2
Slater determinant space vs real space
2
Bohr-van Leeuwen theorem and quantum mechanics
2
How to understand worldsheet fermion as a section?
2
A Book about the Bohr-Einstein debate?
2
Violation of Lorentz invariance (Lagrangian for particle)
2
Clarification on “central charge equals number of degrees of freedom”
2
How to construct the charge conjugation matrix for any given dimension?
2
simple explanation of chiral anomaly?
2
Kepler problem: flows generated by constants of motion
2
what is the relationship between these two sorts of anomalies?
2
First class and second class constraints
2
Introduction to differential forms in thermodynamics
2
What are some mechanics examples with a globally non-generic symplecic structure?
2
Winding number in the topology of magnetic monopoles
2
Schmidt decomposition of coupled oscillators
2
Non-relativistic spinors
2
What is spontaneous symmetry breaking in QUANTUM systems?
2
Is there an intuitive explanation for why Lorentz force is perpendicular to a particle's velocity and the magnetic field?
2
Describing quantum intereference with only currents and densities
2
Operator norm directly from phase space representation of photonic quantum operator
2
Why is Dirac Lagrangian in Curved Spacetime Weyl Invariant?
2
How does (or can) SR/GR extend to phase space or symplectic manifolds?
2
Must the action for a relativistic charge be a Lorentz scalar?
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