# Overcoming thermal noise in non-volatile spin wave logic

## TL;DR

This paper explores the potential of non-volatile spin wave logic devices to operate error-free despite thermal noise, by identifying suitable materials and demonstrating theoretical robustness for wave-based computation.

## Contribution

It introduces a theoretical framework for achieving error-free, clocked non-volatile spin wave logic devices resilient to thermal noise and clock variability.

## Key findings

- Identification of suitable materials for spin wave logic
- Theoretical demonstration of noise robustness in device operation
- Potential for error-free, energy-efficient wave-based computing

## Abstract

Spin waves are propagating disturbances in magnetically ordered materials, analogous to lattice waves in solid systems and are often described from a quasiparticle point of view as magnons. The attractive advantages of Joule-heat-free transmission of information, utilization of the phase of the wave as an additional degree of freedom and lower footprint area compared to conventional charge-based devices have made spin waves or magnon spintronics a promising candidate for beyond-CMOS wave-based computation. However, any practical realization of an all-magnon based computing system must undergo the essential steps of a careful selection of materials and demonstrate robustness with respect to thermal noise or variability. Here, we aim at identifying suitable materials and theoretically demonstrate the possibility of achieving error-free clocked non-volatile spin wave logic device, even in the presence of thermal noise and clock jitter or clock skew.

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Source: https://tomesphere.com/paper/1703.03460