User kuzand

22 votes

Why can't $ i\hbar\frac{\partial}{\partial t}$ be considered the Hamiltonian operator?

answered Nov 26, 2011 at 20:59

20 votes

The Time That 2 Masses Will Collide Due To Newtonian Gravity

answered Sep 16, 2011 at 6:57

11 votes

How did Paul Dirac predict the existence of antiproton?

answered Jul 20, 2011 at 17:36

8 votes

At what speed does our universe expand?

answered Aug 11, 2011 at 12:22

8 votes

Sign convention for basic Dirac equation

answered Mar 19, 2013 at 18:21

6 votes

Accepted

Weinberg's proof that Levi-Civita Symbol is a tensor

answered Mar 20, 2013 at 0:02

5 votes

Quantum momentum (De Broglie)

answered Jul 21, 2011 at 3:29

5 votes

Addition of different physical quantities

answered Jul 16, 2011 at 19:47

4 votes

How can we get this formula for Gravitational potential?

answered Jul 7, 2011 at 15:21

3 votes

How do GPS devices work?

answered Aug 2, 2011 at 16:33

3 votes

Product of exponential of operators

answered Mar 20, 2013 at 18:34

3 votes

Does the annihilation operator really remove a photon in quantum optics?

answered Nov 19, 2016 at 18:55

3 votes

Accepted

Can quantum measurement process be thought of as a sieve?

answered Dec 13, 2011 at 0:07

2 votes

Why is $\theta \over 2$ used for a Bloch sphere instead of $\theta$?

answered Dec 20, 2016 at 13:23

1 vote

truncation before matrix exponential: how to do it right?

answered Mar 9, 2017 at 19:33

1 vote

Accepted

What potential energy functions are mostly used in Schrodinger equation?

answered Jul 7, 2011 at 11:05

1 vote

Find radius of curvature, given a velocity vector and acceleration magnitude?

answered Jul 7, 2011 at 22:48

1 vote

Does it contradict special relativity that an electron beam in a television picture tube can move across the screen faster than the speed of light?

answered Jul 17, 2011 at 22:10

0 votes

Index Manipulation and Angular Momentum Commutator Relations

answered Dec 19, 2011 at 21:19

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19 Answers

Why can't $ i\hbar\frac{\partial}{\partial t}$ be considered the Hamiltonian operator?

The Time That 2 Masses Will Collide Due To Newtonian Gravity

How did Paul Dirac predict the existence of antiproton?

At what speed does our universe expand?

Sign convention for basic Dirac equation

Weinberg's proof that Levi-Civita Symbol is a tensor

Quantum momentum (De Broglie)

Addition of different physical quantities

How can we get this formula for Gravitational potential?

How do GPS devices work?

Product of exponential of operators

Does the annihilation operator really remove a photon in quantum optics?

Can quantum measurement process be thought of as a sieve?

Why is $\theta \over 2$ used for a Bloch sphere instead of $\theta$?

truncation before matrix exponential: how to do it right?

What potential energy functions are mostly used in Schrodinger equation?

Find radius of curvature, given a velocity vector and acceleration magnitude?

Does it contradict special relativity that an electron beam in a television picture tube can move across the screen faster than the speed of light?

Index Manipulation and Angular Momentum Commutator Relations