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[توسط کاربر]
[... عمومی ...]

In a solid the electron spins are not completely decoupled from other degrees of freedom. First of all, spins and orbits are coupled by the spin-orbit interaction. Second, the electron spins have an interaction with the spins of the atomic nuclei, i.e. the hyperfine interaction. Both interactions cause the life time of a quantum superposition of spin states to be finite. We therefore also describe experiments that probe spin-orbit and hyperfine interactions by measuring the dynamics of individual spins.

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