A spin ½ particle is in the eigenstate of Sx with eigenvalue + at time t=0. At that time, a magnetic field of magnitude B pointing in the z-direction is applied and the spin is allowed to precess for a time T. Calculate the probability of finding the particle in the same initial spin state, as a function of T.
A spin ½ particle is in the eigenstate of Sx with eigenvalue + at time t=0. At that time, a magnetic field of magnitude B pointing in the z-direction is applied and the spin is allowed to precess for a time T. Calculate the probability of finding the particle in the same initial spin state, as a function of T.
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![A spin ½ particle is in the eigenstate of Sx with eigenvalue +at time t=0. At
that time, a magnetic field of magnitude B pointing in the z-direction is applied
and the spin is allowed to precess for a time T. Calculate the probability of
finding the particle in the same initial spin state, as a function of T.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94b564a8-f45d-48ff-8048-ce8e3d6750f7%2F6e748732-147c-4f8a-9465-e10a015d95d0%2Fz1xpgsc_processed.png&w=3840&q=75)
Transcribed Image Text:A spin ½ particle is in the eigenstate of Sx with eigenvalue +at time t=0. At
that time, a magnetic field of magnitude B pointing in the z-direction is applied
and the spin is allowed to precess for a time T. Calculate the probability of
finding the particle in the same initial spin state, as a function of T.
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