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lpz
  • Member for 3 months
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11 votes

Why are magnetic monopoles "incompatible" with quantum mechanics?

7 votes
Accepted

Does specific heat capacity depend on temperature of the substance?

7 votes
Accepted

Are the instantaneous eigenstates of a time-dependent hamiltonian continuous?

5 votes
Accepted

Difference between two forms of the electric field operator

4 votes

Why is torque defined as $\vec{r} \times F$?

4 votes
Accepted

Problem in the derivation of the Landé $g$-factor

4 votes

Suspicious EMF equation

4 votes

Fugacity in the classical limit

3 votes
Accepted

Green Function expressed in terms of Hankel function (of the second kind)

3 votes

Calculation of expectation of number of particle using Bogolubov transformation

3 votes

Which shape rolls the farthest?

3 votes

Does Heisenberg's uncertainty principle also apply to measuring velocity? Can we measure velocity at an exact time and point?

3 votes

What problems would arise in physics by treating infinitesimals as ~1 (in units much smaller than the measurement precision) rather than ~0?

3 votes
Accepted

Perception of light speed when traveling between two light sources

2 votes
Accepted

Calculating the rest mass after relativistic collision

2 votes
Accepted

When a loop A induces a current in an adjacent loop B does the change in current in the loop B affect the current in loop A?

2 votes
Accepted

Mixing identical gases in different states (Gibbs paradox)

2 votes
Accepted

Is there a minimum value different from zero for the uncertainty in momentum for a particle in a box?

2 votes

A Tough Mechanics Problem

2 votes
Accepted

General criteria for whether or not a mirror will form images

2 votes
Accepted

Scalar field equation of motion in FRW metric

2 votes

Small mass on a dome (problems with derivatives)

2 votes
Accepted

How to justify the direction of the magnetic field formally, in symmetrical situations?

2 votes
Accepted

Extra second-order term in Dyson Formula Expansion in David Tong's Notes

2 votes

Derivation of $~\nabla^2\mathbf{H}=\sigma\mu{\partial\mathbf{H}\over\partial\mathrm{t}}+\epsilon\mu{\partial^2\mathbf{H}\over\partial\mathrm{t^2}}~$

2 votes
Accepted

Why doesn't the EM field above the center of a charged current loop look like a bivector?

2 votes
Accepted

Phase Transition in 2D Hard Rods

2 votes
Accepted

Position operator acting on position

2 votes

Kullback information proof

2 votes

Proving rotation about non-intersecting axes leads to translation