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Quantum: Perturbation Theory

  • Thread starter mildra
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For a particle in a two-dimensional box. The particle is subject to perturbation V=Cxy. What are the eigenenergies and eigenfunctions of the unperturbed system and what is the first-order energy correction?
 

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  • #2
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read the rules first, before we can help you , you need to show us your work
 
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