Simulation of highly idealized, atomic scale MQCA logic circuits

Details Simulation of highly idealized, atomic scale MQCA logic circuits Simulation of highly idealized, atomic scale MQCA logic circuits

2007-11-14

arxiv.org/abs/0711.2246v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

34 pages, 12 figures

Scientific paper

Spintronics logic devices based on majority gates formed by atomic-level arrangements of spins in the crystal lattice is considered. The dynamics of switching is modeled by time-dependent solution of the density-matrix equation with relaxation. The devices are shown to satisfy requirements for logic. Switching speed and dissipated energy are calculated and compared with electronic transistors. The simulations show that for the highly idealized case assumed here, it is possible to trade off size for speed and achieve lower power operation than ultimately scaled CMOS devices.

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