1. Consider the state referred to in the notes as the px orbital, 1 v (0, ¢) = (Y1,-1(0, 6) + Y1,1 (0, ¢)) V2 where Yım (0, ¢) are the spherical harmonics, as defined in the notes. a) Calculate the expectation values (L2) and (L²) in this state. b) Suppose L, was measured? What values could get, and with what probabili- ties? c) Is the quantum number associated with Lz good in this state? d) Calculate the expectation values (Lª) and (L²) in this state. e) Is the quantum number associated with L, good in this state? f) Calculate the expectation values (L,) and (L²) in this state. g) Is the quantum number associated with Ly good in this state? h) Confirm your answers above by explicitly showing which of Lx,y,z (if any) this state is an eigenfunction of, and finding the associated eigenvalue.
1. Consider the state referred to in the notes as the px orbital, 1 v (0, ¢) = (Y1,-1(0, 6) + Y1,1 (0, ¢)) V2 where Yım (0, ¢) are the spherical harmonics, as defined in the notes. a) Calculate the expectation values (L2) and (L²) in this state. b) Suppose L, was measured? What values could get, and with what probabili- ties? c) Is the quantum number associated with Lz good in this state? d) Calculate the expectation values (Lª) and (L²) in this state. e) Is the quantum number associated with L, good in this state? f) Calculate the expectation values (L,) and (L²) in this state. g) Is the quantum number associated with Ly good in this state? h) Confirm your answers above by explicitly showing which of Lx,y,z (if any) this state is an eigenfunction of, and finding the associated eigenvalue.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter4: Introduction To Quantum Mechanics
Section: Chapter Questions
Problem 61AP: A particle of mass m is placed in a three-dimensional rectangular box with edge lengths 2L, L, and...
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