Interacting Systems for Self-Correcting Low Power Switching

Details Interacting Systems for Self-Correcting Low Power Switching Interacting Systems for Self-Correcting Low Power Switching

2006-11-21

arxiv.org/abs/cond-mat/0611569v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

In this paper we first show that dynamic switching schemes can be used to reduce energy dissipation below the thermodynamic minimum of NkTlnr (N= number of state variables, 1/r=error probability), but only at the expense of the error immunity inherent in thermodynamic processes for which the final state is insensitive to the switching dynamics. It is further shown that, for a system which has internal feedback, e.g. nanomagnets, such that all N spins act in concert, it should be possible to switch with an energy dissipation of the order of kTlnr (considerably less than the thermodynamic limit of NkTlnr), while retaining an error immunity comparable to thermodynamic switching.

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