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jacob1729
  • Member for 8 years, 7 months
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22 votes

How do we know neutrons have no charge?

21 votes

Why does the optimal angle depend on velocity?

13 votes
Accepted

The Physical Meaning of Projectors in Quantum Mechanics

10 votes
Accepted

Why is imaginary time evolution non-unitary?

9 votes
Accepted

Why are probabilities for each micro-state equal within a micro-canonical-ensemble?

8 votes

Is $E=mc^2$ artificially defined?

8 votes

Why can't we define more Maxwell's relations?

8 votes
Accepted

Is being "stationary" also an example of a "periodic motion"?

7 votes

When the decay constant is not constant. Limit definition of the exponential of an integral?

7 votes

If the tensor product of $A$ and $B$ is Hermitian, are $A$ and $B$ Hermitian?

7 votes

Why are expectation values of an observable important in QM?

7 votes

Why does diamond's specific heat capacity deviate from the Dulong-Petit theory at room temperatures?

7 votes

Why doesn’t a normal window produce an apparent rainbow?

7 votes

Self-energy of a uniformly charged, non-conducting sphere, using energy density formula

7 votes

What is the second conserved Quantity of the Pendulum?

7 votes
Accepted

Entropy and heat capacity at constant volume

6 votes

Internal energy of an ideal gas independent of any thermodynamic variable at constant temperature

6 votes

Interplanar distance in FCC and BCC

5 votes

Statistical mechanics definition of temperature as the average kinetic energy

5 votes
Accepted

Conservation of mass in relativistic collisions?

5 votes

Can Maxwell's Equations be expressed only in terms of an electric field and special relativity?

5 votes
Accepted

What is the Schrödinger equation used for exactly?

4 votes

How to pick out eigenvectors after solving for eigenvalues?

4 votes
Accepted

Hilbert space of a spinless fermion?

4 votes

Why is the time average equal to the ensemble average?

4 votes
Accepted

Generators in group theory

4 votes

Could you have a quartic or square degree Celsius or other degree on a temperature scale raised to any power?

4 votes

Why is the density of states required conceptually? Should it be seen as a mathematical trick related to Fourier series?

4 votes
Accepted

Expanding the Following Grassmann Function

4 votes

In the proof of the parallel axis theorem, why is the averaged $x$-coordinate "zero by construction"?