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cond-mat.stat-mech2013★ 69 cited
Absence of exponential sensitivity to small perturbations in nonintegrable systems of spins 1/2
Boris V. Fine, Tarek A. Elsayed, Chahan M. Kropf +1
We show that macroscopic nonintegrable lattices of spins 1/2, which are often considered to be chaotic, do not exhibit the basic property of classical chaotic systems, namely, expo…
cond-mat.stat-mech2011
Recoupling the non-secular part of nuclear spin-spin interaction in solids
Chahan M. Kropf, Boris V. Fine
NMR spin-spin relaxation in solids in strong magnetic fields is normally described only with the help of the secular part of the full spin-spin interaction Hamiltonian. This approx…