Corrigendum: Energy dissipation and error probability in fault-tolerant binary switching
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Scientific Reports 3: Article number: 320410.1038/srep03204; published online: November132015; updated: February222016
In the original paper our stochastic simulations had a systematic error that lead to an incorrect error probability in Figure 4 (b). The corrected version of this figure is Fig. 1 of this corrigendum. The actual error probability turns out to be smaller than what we had reported earlier. However, the new plots convey the same physics and overall message; hence, the key message of this paper and our conclusions remain unchanged.
Figure 1
Energy dissipated vs. the natural logarithm of the inverse dynamic switching error probability at various temperatures.
We plot the simulation results for the switching error probability vs. dipole energy for the 4.2, 77 and 300 K cases up to the point where the dipole coupling (tilt in profile) is still low enough that the error probability exceeds ~10−6 and 10 million simulations suffice to capture the statistics accurately. (NOTE: Errors of 10−5 and 10−6 approximately correspond to 11.5 and 13.8 respectively on the y-axis). The leveling off of switching error probability with increasing dipole energy at 300 K is still observed, albeit at a much smaller switching error probability value. The error probabilities up to which we perform simulations are too high for the leveling off behavior to set in at 4.2 and 77 K.