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HW7 - a by putting a delta function “bump” at the point...

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PHY4221 Quantum Mechanics I Fall term of 2004 Problem Set No.7 (Due on December 10, 2004) Reading assignment : Read the chapters on “Time-independent Perturbation Theory”, of the following reference books: D.J. Griffiths, Introduction to Quantum Mechanics B.H. Bransden and C.J. Joachain, Introduction to Quantum Mechanics 1. Suppose we perturb the infinite cubical potential well of side
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Unformatted text preview: a by putting a delta function “bump” at the point ( a/ 4 ,a/ 2 , 3 a/ 4): H = a 3 V δ ( x-a/ 4) δ ( y-a/ 2) δ ( z-3 a/ 4) . Find the energy (up tp second-order corrections) and eigenfunction (up to first-order corrections) of the ground state and the (triply degenerate) first excited states. —— End ——...
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