The quantum dynamics of two coupled large spins
arXiv:1211.4926
Abstract
We calculate the time evolution of mean spin components and the squared I-concurrence of two coupled large spins S. As the initial conditions we take two cases: spin coherent states and uniform superposition states. For the spin coherent states we have obtained the asymptotic for-mulas at S>>1 and t<<T (T is period). We draw a conclusion that quantum computation on qudits, represented by large spins, do not get the principal limitations on the spin number S.
12 pages, 4 figures, report for the International Symposium "Quantum Informatics-2009" (QI-2009), Zvenigorod, Moscow region, October 05-09, 2009