The raising (a) and lowing (a) operators associated with a simple harmonic oscillator Hamiltonian (H) are given by ax- ißp ax+ißp a a where a and B are real constants with aß 1 and [x,p]=iħ. (a) Show that the commutator [a", a*] = aa* - a*a = 1 (b) Show that the commutator [H,a*] = ħoa (c) Using the identity obtained in (b), show that aYn) is an eigen state of H with eigen energy ho n+1+ 1 Helpful equations: H = ħo ata+ 2 a*a |Vn) = n\Wn) %3D
The raising (a) and lowing (a) operators associated with a simple harmonic oscillator Hamiltonian (H) are given by ax- ißp ax+ißp a a where a and B are real constants with aß 1 and [x,p]=iħ. (a) Show that the commutator [a", a*] = aa* - a*a = 1 (b) Show that the commutator [H,a*] = ħoa (c) Using the identity obtained in (b), show that aYn) is an eigen state of H with eigen energy ho n+1+ 1 Helpful equations: H = ħo ata+ 2 a*a |Vn) = n\Wn) %3D
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![The raising (a") and lowing (a) operators associated with a simple harmonic oscillator
Hamiltonian (H) are given by
ax-ißp
ax+ißp
a
a
where a and B are real constants with aß
1
and [x.p] = i .
(a) Show that the commutator a", a*] = a a* - a*a = 1
(b) Show that the commutator [H,a*] = ħoa+
(c) Using the identity obtained in (b), show that a"yn) is an eigen state of H with eigen
energy ho n+1+-
2
1
Helpful equations: H = ħo a*a
a*a |Vn) = n\Wn}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe85665c7-aff2-44e4-b81c-43f02d78c84f%2F70756ba6-aad6-4e50-81e4-45b6eb818371%2Fea8cf6o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The raising (a") and lowing (a) operators associated with a simple harmonic oscillator
Hamiltonian (H) are given by
ax-ißp
ax+ißp
a
a
where a and B are real constants with aß
1
and [x.p] = i .
(a) Show that the commutator a", a*] = a a* - a*a = 1
(b) Show that the commutator [H,a*] = ħoa+
(c) Using the identity obtained in (b), show that a"yn) is an eigen state of H with eigen
energy ho n+1+-
2
1
Helpful equations: H = ħo a*a
a*a |Vn) = n\Wn}
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