David Bar Moshe

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158 Answers

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22
In quantum mechanics, given certain energy spectrum can one generate the corresponding potential?
16
Calculating correlation functions of exponentials of fields
15
Examples of number theory showing up in physics
13
Gauge symmetry is not a symmetry?
12
Why is there no theta-angle (topological term) for the weak interactions?
11
Topological Charge. What is it Physically?
10
Is this a simple Lie algebra?
10
Which exact solutions of the classical Yang-Mills equations are known?
9
Which symmetric pure qudit states can be reached within local operations?
8
Classical and quantum anomalies
8
Could the Periodic Table have been done using group theory?
8
Renyi fractal dimension $D_q$ for non-trivial $q$
8
How does one geometrically quantize the Bloch equations?
8
What is the fundamental reason of the fermion doubling?
7
When can a global symmetry be gauged?
7
Spontaneous breaking of Lorentz invariance in gauge theories
7
Fermi statistics and Berry phase
7
Edge theory of FQHE - Unable to produce Green's function from anticommutation relations and equation of motion?
7
Does the complex 3-sphere have a complex structure modulus?
6
Validity of naively computing the de Broglie wavelength of a macroscopic object
6
When does $\hbar \rightarrow 0$ provide a valid transition from quantum to classcial mechanics? When and why does it fail?
6
Aharonov-Bohm Effect and Integer Quantum Hall Effect
6
Is there a strong force analog to magnetic fields?
6
How and why can random matrices answer physical problems?
6
Rigorous proof of Bohr-Sommerfeld quantization
6
Majorana-like representation for mixed symmetric states?
6
The derivation of the Belinfante-Rosenfeld tensor
6
Finding the spectrum of a polynomial of the creation and annihilation operators
6
Why muonium is unstable?
6
What does a frame of reference mean in terms of manifolds?
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