Masterme
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3 answers
6 votes
261 views
1 bookmarks
Lagrangian of a free particle in Special Relativity and equivalence between mass and energy
3 answers
5 votes
122 views
Why are electrons in solids always considered to be in energy eigenstates?
0 answers
2 votes
44 views
Position measurement and hydrogen atom in QFT
0 answers
2 votes
22 views
Solutions of em potentials in Lorenz's gauge
0 answers
2 votes
18 views
Lifetime of quasiparticles and poles of the propagator
1 answers
2 votes
34 views
1 bookmarks
Quantum indistinguishability and random distribution of particles in a box
1 answers
1 votes
360 views
2 bookmarks
Meaning of complex conjugate in $T$-symmetry
0 answers
1 votes
49 views
Time dependency of interacting Hamiltonian in QFT
0 answers
1 votes
24 views
Energy conservation of longitudinal waves
1 answers
1 votes
65 views
Wave function of a proton and a neutron with and without isospin
0 answers
1 votes
33 views
Lifetime of quasiparticles in propagators
1 answers
1 votes
26 views
Measurement of current and measurement of momentum of the electrons
1 answers
1 votes
33 views
Measurement of observables of a gas in a weakly interacting room
1 answers
1 votes
48 views
Conserved quantities of statistical mechanics in a spherical box
0 answers
1 votes
17 views
Validity of free particle in an energy eigenstate approximation
1 answers
1 votes
33 views
Decay of an electron not in eigenstate
0 answers
0 votes
33 views
Is the representation of dimension 2 of $SU(2)$ also a representation of the Lorentz group?
0 answers
0 votes
29 views
Gauge Invariance and the solutions of the equations
1 answers
0 votes
65 views
Photons in non-relativistic quantum mechanics
0 answers
0 votes
38 views
Beta decay and interaction Hamiltonian in nuclei
1 answers
-1 votes
45 views
Parallelism between quantum density matrix and a probability distribution in classical mechanics