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Nick
  • Member for 13 years, 5 months
  • Last seen more than 2 years ago
63 votes
2 answers
12k views

Why is gravity such a unique force?

26 votes
8 answers
510 views

How is anything *not* ultimately a position measurement?

25 votes
5 answers
5k views

What is the entropy of a pure state?

16 votes
5 answers
2k views

Why isn't absolute $0 K$ temperature possible?

15 votes
5 answers
5k views

What exactly is $\hat{\psi}^\dagger(x)$? An operator or a function?

14 votes
4 answers
2k views

Temperature below absolute zero?

13 votes
1 answer
744 views

A formal procedure for thermodynamic relations

13 votes
4 answers
350 views

Why is QM maximally predictive?

9 votes
2 answers
2k views

What's wrong with the square root version of the Klein-Gordon equation?

9 votes
1 answer
531 views

Trying to understand mixed states

9 votes
2 answers
2k views

Fermions in the same state

9 votes
5 answers
4k views

Why is the Heisenberg uncertainty principle stated the way it is?

8 votes
2 answers
3k views

General procedure for solving fluid flow problems

8 votes
0 answers
259 views

Is there a cheap way I can do a Bell inequality experiment?

7 votes
2 answers
2k views

How did the operators come about?

7 votes
1 answer
189 views

Does gravity limit the number of bosons that can occupy the same single-particle state?

6 votes
3 answers
2k views

Confusion about wavefunction separability

5 votes
1 answer
1k views

Thermo homework (HW) problem

5 votes
1 answer
212 views

What are relativistic and radiative effects (in quantum simulation)?

4 votes
1 answer
281 views

In QM, does random data "come from anywhere"? Also, what are the properties of the data?

4 votes
2 answers
8k views

Dimensionality of Hilbert space

4 votes
1 answer
275 views

Pauli exclusion principle for the protons in water

4 votes
2 answers
557 views

Determinism loophole?

4 votes
1 answer
224 views

How does a unique electron probability distribution correspond to one wavefunction?

3 votes
1 answer
292 views

My basis set isn't orthonormal?

3 votes
2 answers
419 views

Workaround to fermion sign problem?

3 votes
3 answers
707 views

Can a wavefunction be solved to any arbitrary precision, given enough computer time?

3 votes
0 answers
92 views

Pseudo-randomness of observables

3 votes
1 answer
2k views

Is it possible to take a QFT class knowing only basic quantum mechanics? [closed]

3 votes
3 answers
941 views

Where do the conservation laws come from?