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We present a magnetic implementation of a thermodynamic computing fabric.Magnetic devices within computing cores harness thermodynamics through itsvoltage-controlled thermal stability; while the evolution of network states isguided by the spin-orbit-torque effect. We theoretically derive the dynamics ofthe cores and show that the computing fabric can successfully compute groundstates of a Boltzmann Machine. Subsequently, we demonstrate the physicalrealization of these devices based on a CoFeB-MgO magnetic tunnel junctionstructure. The results of this work pave the path towards the realization ofhighly efficient, high-performance thermodynamic computing hardware. Finally,this paper will also give a perspective of computing beyond thermodynamiccomputing.

A Thermodynamic Core using Voltage-Controlled Spin-Orbit-Torque Magnetic Tunnel Junctions