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Engineering Physics · Q74

Quantum Mechanics

Engineering and GATE · Engineering Physics · question 74

Q74

A quantum harmonic oscillator is in the energy eigen state | n . A time independent perturbation 1λ(ata)2 acts on the particle, where λ is a constant of suitable dimensions and a and at are lowering and raising operators respectively. Then the first order energy shift is given by

A quantum harmonic oscillator is in the energy eigen state  A time independent perturbation 1λ(ata)2 acts on the particle, where λ is a constant of suitable dimensions and a and at are lowering and raising operators respectively. Then the first order energy shift is given by
A.
λn
B.
λ2n
C.
λn2
Answer
D.
(λn)2

Answer: Option C

Solution

Answer: Option C
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