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Mean reversal path of a periodic system showing the equilibrium magnetization vector for given temperatures. Dashed lines are guides representing a circular reversal path for each temperature.
A comparison of the characteristic reversal time as a function of temperature, through in a 6 nm cube of FePt ( for this small finite size system). Reversing fields (an applied field along the -axis opposing the magnetization) of 1 and 10 T are compared. Atomistic spin simulations are represented by points and the solid lines are the analytic solution of the LLB equation (see Ref. 1).
The reversal probability of a 6 nm FePt grain in a 1 T reversing field after the application of a 10 ps square heat pulse. The shaded area represents reversal .
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