Quantumwhisp

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quantum-mechanics

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Questions

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Score Activity Newest Views

36

Must observables be Hermitian only because we want real eigenvalues, or is more to that?

Apr 24, 2021

14

Justification of the Least Action Principle using conservation of information

Dec 18, 2017

13

Is the usage of the Fock space a postulate in QFT?

Jun 23, 2016

12

Is the vacuum state a coherent state?

Sep 8, 2017

11

Does an Operator that neither commutes with $\hat{X}$ or $\hat{P}$, nor can be expressed as a "function" of $\hat{X}$ and $\hat{P}$ make sense?

Oct 2, 2019

Answers

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Score Activity Newest

20

Apparent paradox between Lagrangian and Hamiltonian formulations of classical mechanics

Oct 27, 2017

19

How is the work done to push a planet over 1m with 1N the same as pushing a feather over 1m with 1N?

May 23, 2017

16

Has anyone ever come up with a formulation of quantum mechanics in which the action is an operator?

Jul 6, 2017

8

Is the pressure higher in the corners?

Nov 25, 2016

8

Why are the electric force and magnetic force classified as electromagnetism?

May 21, 2016

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quantum-mechanics

47

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lagrangian-formalism

43

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19

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classical-mechanics

33

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20

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newtonian-mechanics

31

Score

8

posts

electromagnetism

26

Score

33

posts

Reputation

+10

Contradiction between Rabi oscillation and energy shifts in AC Stark effect

+38

Why in 2-level system can a diagonal lindblad equation be used to describe decay, when $|0\rangle$ and $|1\rangle$ aren't energy eigenstates anymore?

+10

Must observables be Hermitian only because we want real eigenvalues, or is more to that?

+10

Are electrons in a p n junction delocalized across the junction?

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