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Logan M
  • Member for 11 years, 1 month
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57 votes
Accepted

What makes a theory "Quantum"?

42 votes
Accepted

Operator-state correspondence in QFT

13 votes

experimental bounds on spacetime torsion

12 votes

Direct Sum of Hilbert spaces

10 votes
Accepted

What are the physical dimensions (units) of the elements in a Hilbert space of a QM system?

10 votes

What do theoretical physicists need from computer scientists?

9 votes

If randomness doesn't exist, how come the universe isn't a perfect sphere with predictable distribution of matter?

9 votes
Accepted

Liquid nitrogen and liquid helium

6 votes

Slinky base does not immediately fall due to gravity

6 votes

Why is the value of thrust for a perfectly spherical event equal to ${\frac{1}{2}}$?

6 votes
Accepted

Why does the space of pure qudit states have dimension $2(D-1)$, rather than $D^2-2$?

5 votes
Accepted

Angular Momentum Addition Theorem - Sanity Check

5 votes

In the known universe, would an atom not present in our periodic table exist?

4 votes
Accepted

Can Boltzmann's Constant be Calculated from Fundamental Constants?

4 votes
Accepted

How many 'independent ways' can you measure a quantum 2-state system

4 votes

Why is the energy of quantum harmonic oscillator independent of its amplitude?

3 votes

Is it true that $\mathrm{tr}(\rho^n)$ is monotonically decreasing as a function of $n$?

3 votes

How many truly different multipolar charge distributions are there?

3 votes

How far can light go?

2 votes
Accepted

In Weinberg's treatment of symmetries, is he actually considering one underlying abstract group?

2 votes
Accepted

Uniquness of stabilizer generators of a state $\left| \psi \right>$?

2 votes

Does Clifford algebra depend on the topology of manifold?

2 votes

Can Dark Matter be...(massive) gravitons?

2 votes
Accepted

How are the symmetry(ies) of the Hamiltonian reflected on the general solutions of the time-dependent Schrodinger equation?

0 votes

Can two fermions with different energylevels be at the same position?

0 votes

Can a statistical distribution of kets be equivalent to a superposition?