SchrodingersCat
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5 answers
16 votes
3k views
11 bookmarks
Proof that energy states of a harmonic oscillator given by ladder operator include all states
4 answers
6 votes
508 views
4 bookmarks
Do $\vec r$ and $d \vec r$ have the same direction?
2 answers
5 votes
545 views
Are perturbative and non-perturbative QCD both signs of new physics?
3 answers
4 votes
827 views
4 bookmarks
Explanation of Supplee's paradox
2 answers
3 votes
6k views
3 bookmarks
Dimensional or dimensionless constant
2 answers
3 votes
663 views
Is the wave equation a periodic wave equation?
1 answers
3 votes
475 views
Difference between twofold infinity and simple infinity in relation to quantum mechanics
1 answers
3 votes
1k views
1 bookmarks
Differentiation of a vector with respect to a vector
2 answers
2 votes
4k views
2 bookmarks
Lagrangian exercise from Goldstein
0 answers
2 votes
40 views
Why do the operators on either side of Schrodinger's equation show different hermitivity?
0 answers
2 votes
2k views
3 bookmarks
Physical interpretation of a complex potential for a particle in quantum mechanics
1 answers
2 votes
325 views
What exactly happens in a low and a high pass filter?
1 answers
2 votes
90 views
1 bookmarks
Can a Lagrangian be such that all possible paths have the same action?
4 answers
2 votes
604 views
Can a particle have no instantaneous velocity at all points of the path taken but a finite average velocity?
1 answers
2 votes
621 views
Confusing derivations of Planck's Law in different books
1 answers
2 votes
403 views
1 bookmarks
Assumption of solutions in partial differential equations
1 answers
2 votes
160 views
Probable mistake in the derivation of the vector form of Biot-Savart's Law
3 answers
1 votes
581 views
1 bookmarks
Difficulty in understanding ket vectors in quantum mechanics
1 answers
1 votes
123 views
The Ultimate Grand Race: Will the photon cross the alpha particle?
1 answers
1 votes
426 views
Where does the interference pattern or diffraction pattern due to a single or double slit placed in front of a light source form?
1 answers
1 votes
256 views
Are bottomonium and charmonium the only quarkonium systems?
2 answers
1 votes
396 views
Is the speed of causality $c$ or $\frac{c}{\epsilon}$?
1 answers
1 votes
145 views
Feynman's Paradox concerning Electromagnetism
2 answers
1 votes
35 views
1 bookmarks
Query regarding a statement on information theory
0 answers
1 votes
675 views
Why wavelength does not change in scattering?
1 answers
1 votes
65 views
De-merits of the application of Laplace's Equation to find electrostatics potentials
0 answers
1 votes
44 views
Doppler shift of light from stars and galaxies
1 answers
1 votes
698 views
Velocity of water from tap to fill a cracked bucket to brim
2 answers
1 votes
2k views
Conservation of angular momentum in a collision
1 answers
1 votes
551 views
1 bookmarks
Conservation of energy or conservation of momentum- which one is applicable in this problem?