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Physics
Cristian Em.'s user avatar
Cristian Em.'s user avatar
Cristian Em.'s user avatar
Cristian Em.
  • Member for 10 years, 1 month
  • Last seen more than a week ago
  • Spain
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Physics student.

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26
Elementary argument for conservation laws from symmetries *without* using the Lagrangian formalism
Nov 6, 2018
question
4
How can work be generated from quantum correlations?
Jun 9, 2019
answer
3
What is the actual meaning of the density operator?
Sep 28, 2018
question
1
Why should we diagonalize the density matrix? Why is the diagonal representation more special?
Dec 22, 2017
answer
1
Jumping insect acceleration question
Jan 16, 2015
question
0
Gauss' law and external electric flux through a cube: net flux is not zero while the interior charge is 0. What have I done wrong?
Jun 18, 2015
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11
Can I interpret the exponential of the derivative operator, $e^D$, as infinite shift operators each shifting "infinitesimally"?
9
Why does the average number of questions/bits needed for storage in Shannon's entropy go with $\log$?