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Noumeno
  • Member for 3 years, 6 months
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21 votes
4 answers
2k views

How should we think about Spherical Harmonics?

14 votes
4 answers
2k views

Connection between different kinds of "Lagrangian"

13 votes
1 answer
2k views

Why the volume of a cell in phase space should be equal to $(2\pi \hbar)^s$?

9 votes
3 answers
1k views

Critique on tensor notation

9 votes
5 answers
2k views

General Relativity: is Tangent Space Always Flat?

8 votes
3 answers
2k views

How to properly understand Gaussian Units?

7 votes
8 answers
3k views

Why do we care about the spectrum of the Hamiltonian?

7 votes
5 answers
1k views

How to generate electric current without a permanent magnet?

6 votes
6 answers
1k views

General Relativity: is there a better way to get spherical coordinates?

5 votes
4 answers
218 views

What do I need to build special relativity?

5 votes
4 answers
2k views

General Relativity: Definition of Locally Inertial Frame

5 votes
2 answers
241 views

How to build an intuition regarding QM angular momentum?

5 votes
1 answer
447 views

Can we handle the wave function as if it was a real valued function? [duplicate]

5 votes
4 answers
1k views

A Big Problem in Landau's Statistical Mechanics Book

5 votes
1 answer
374 views

Strange conservation of energy in Navier-Stokes Equations

5 votes
3 answers
240 views

Quantum Mechanics: Particle vs Particle Beam

4 votes
3 answers
412 views

Commutator and Factorization of the Eigenfunctions

4 votes
2 answers
349 views

How to fully understand the Definition of Entropy?

4 votes
2 answers
404 views

Tensor and Matrices

4 votes
1 answer
341 views

Functions versus Vectors in Quantum Mechanics

4 votes
2 answers
2k views

How to Normalize a Wave Function?

3 votes
3 answers
2k views

Simple derivation of the Maxwell's equations from the Electromagnetic Tensor

3 votes
1 answer
635 views

Geodesics and constraints on the parameterization

3 votes
2 answers
340 views

How Rising and Lowering Operators directly imply quantization?

3 votes
1 answer
309 views

Problem regarding the definition of spinor

3 votes
2 answers
151 views

What does it mean to "quantise" a system?

3 votes
2 answers
428 views

Classical Information Theory vs. Quantum Information Theory

2 votes
0 answers
103 views

How to deduce the structure of an EM wave [closed]

2 votes
3 answers
412 views

How to properly find the spectrum of the Quantum Harmonic Oscillator? [duplicate]

2 votes
1 answer
138 views

States with defined energy and time evolution