Spin state tomography |
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Authors: | V I Man’ko O V Man’ko |
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Institution: | (1) P. N. Lebedev Physics Institute, Russian Academy of Sciences, 117924 Moscow, Russia |
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Abstract: | A scheme for measuring the quantum state for an arbitrary spin is proposed that is analogous to the symplectic tomography
scheme used to measure quantum states associated with continuous observables such as position and momentum. An invariant form
for the spin state density operator is derived in terms of an integral, over the angles which specify the quantization axis,
of a product of the measured probability of the values of the spin along a chosen direction and spherical harmonics summed
with Clebsch-Gordan functions.
Zh. éksp. Teor. Fiz. 112, 796–804 (September 1997) |
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Keywords: | |
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