Quantum mechanics

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  • #1
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Homework Statement



. Show that if
upload_2015-12-16_16-58-2.png
and
upload_2015-12-16_16-58-2.png
,
then
upload_2015-12-16_16-58-2.png
is constant in time.


Homework Equations




The Attempt at a Solution

 

Answers and Replies

  • #2
62
16
No attempt?
 
  • #3
2
0
d<A>/dt=i/h x ([H,A]) + dA/dt
Therefore if
upload_2015-12-16_17-12-9-png.93406.png
and dA/dt=0 , then dA/dt=0. Is this it.? :-(
 

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  • #4
Drakkith
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