Feasibility Study of Logic Circuits with Spin Wave Bus

Details Feasibility Study of Logic Circuits with Spin Wave Bus Feasibility Study of Logic Circuits with Spin Wave Bus

2007-04-23

arxiv.org/abs/0704.2862v1

Physics

Condensed Matter

Other Condensed Matter

Scientific paper

10.1088/0957-4484/18/46/465202

We present a feasibility study of logic circuits utilizing spin waves for information transmission and processing. As an alternative approach to the transistor-based architecture, logic circuits with spin wave bus do not use charge as an information carrier. In this work we describe the general concept of logic circuits with spin wave bus and illustrate its performance by numerical simulations based on available experimental data. Theoretical estimates and results of numerical simulations on signal attenuation, signal phase velocity, and the minimum spin wave energy required per bit in the spin bus are obtained. The transport parameters are compared with ones for conventional electronic transmission lines. Spin Wave Bus is not intended to substitute traditional metal interconnects since it has higher signal attenuation and lower signal propagation speed. The potential value of spin wave bus is, however, an interface between electronic circuits and integrated spintronics circuits. The logic circuits with spin wave bus allow us to provide wireless read-in and read-out.

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