User Lagerbaer - Physics Stack Exchange

Lagerbaer

Member for 13 years, 4 months
Last seen more than a week ago

N/A
Vancouver, Canada

134 Answers

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1 vote

Proof $\left[ {\hat H,{{\hat p}_i}} \right] = - \frac{\hbar }{i}\frac{{\partial \hat H}}{{\partial {{\hat q}_i}}}$

answered May 15, 2013 at 15:59

1 vote

Accepted

One body harmonic oscillator states expressed in terms of creation operators

answered May 29, 2013 at 15:13

1 vote

If my lattice has an atomic basis, do I also find the reciprocals of the basis vectors to get the reciprocal crystal structure?

answered May 8, 2013 at 20:23

0 votes

Accepted

2nd order pertubation theory for harmonic oscillator

answered May 10, 2013 at 5:09

0 votes

Hooke's law limitation question

answered Apr 10, 2013 at 15:58

0 votes

What is the most general unitary that commutes with a one dimensional projector in a finite dimensional Vector Space

answered May 27, 2013 at 14:58

0 votes

Quantum Mechanics State Proportional to x

answered May 19, 2016 at 21:07

0 votes

How to interpret $t^2$?

answered May 27, 2014 at 18:57

0 votes

Calculating angular velocity after collision

answered Dec 9, 2013 at 6:18

0 votes

What are local electrons in a crystal?

answered Jan 27, 2012 at 21:43

0 votes

Accepted

Is there a [set of] rules/patterns that apply to elements

answered Jan 3, 2011 at 20:59

-1 votes

How to decide whether one can use perturbation theory in QM?

answered Feb 13, 2012 at 19:28

-2 votes

Bose-Einstein condensate in 1D

answered Feb 10, 2011 at 23:30

-5 votes

Common false beliefs in Physics

answered Dec 1, 2010 at 1:17

5