Physics
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Tob Ernack
  • Member for 6 years, 6 months
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60 Bookmarks

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20 answers
230 votes
38k views
166 bookmarks
What exactly is a photon?
7 answers
141 votes
25k views
126 bookmarks
Why are there only derivatives to the first order in the Lagrangian?
6 answers
139 votes
21k views
124 bookmarks
Why do people categorically dismiss some simple quantum models?
11 answers
92 votes
10k views
62 bookmarks
Why are differential equations for fields in physics of order two?
2 answers
69 votes
9k views
27 bookmarks
Does the new finding on "reversing a quantum jump mid-flight" rule out any interpretations of QM?
5 answers
62 votes
18k views
35 bookmarks
How wrong are the classical Maxwell's equations (as compared to QED)?
9 answers
59 votes
12k views
38 bookmarks
Can the photoelectric effect be explained without photons?
7 answers
55 votes
12k views
40 bookmarks
How is the Schroedinger equation a wave equation?
4 answers
54 votes
4k views
51 bookmarks
Is there an underlying physical reason why the Coriolis force is similar to the magnetic component of the Lorentz force?
5 answers
41 votes
6k views
24 bookmarks
Can a photon get emitted without a receiver?
5 answers
36 votes
10k views
8 bookmarks
How do we know neutrons have no charge?
5 answers
31 votes
15k views
27 bookmarks
Intuitive explanation of why momentum is the Fourier transform variable of position?
10 answers
28 votes
5k views
10 bookmarks
Why is the fundamental postulate of statistical mechanics true?
3 answers
23 votes
6k views
20 bookmarks
The Dirac-delta function as an initial state for the quantum free particle
5 answers
22 votes
7k views
13 bookmarks
What is the square root of the Dirac Delta Function?
3 answers
21 votes
4k views
9 bookmarks
Is classical electromagnetism a dead research field?
6 answers
19 votes
4k views
23 bookmarks
What is Quantization?
5 answers
18 votes
6k views
10 bookmarks
When an electron changes its spin, or any other intrinsic property, is it still the same electron?
13 answers
15 votes
5k views
15 bookmarks
Could the Heisenberg Uncertainty Principle turn out to be false?
2 answers
14 votes
1k views
13 bookmarks
How can I adapt classical continuum mechanics equations in order to agree with general relativity?
4 answers
14 votes
2k views
7 bookmarks
How to rebut denials of the existence of photons?
1 answer
11 votes
3k views
4 bookmarks
How to prepare a desired quantum state?
3 answers
11 votes
3k views
6 bookmarks
Form of Schrödinger equation for the probability density
5 answers
11 votes
3k views
14 bookmarks
A conceptual doubt regarding Forced Oscillations and Resonance
3 answers
10 votes
15k views
14 bookmarks
Why is the (non-relativistic) stress tensor linear and symmetric?
6 answers
9 votes
31k views
8 bookmarks
How is bound charge and free charge possible?
2 answers
9 votes
7k views
4 bookmarks
How does electron spin change instantaneously without violating inertia principle?
1 answer
8 votes
2k views
8 bookmarks
Landau & Lifshitz's Approach (contour method) on the WKB connection formulas
4 answers
8 votes
815 views
6 bookmarks
How to determine the observables rigorously?
5 answers
8 votes
4k views
5 bookmarks
Experimentally measure velocity/momentum of a particle in quantum mechanics
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