A method to detect quantum coherent transport in memristive devices

C. J. Huggins (), S. E. Savel’ev, A. G. Balanov and A. M. Zagoskin
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C. J. Huggins: Loughborough University
S. E. Savel’ev: Loughborough University
A. G. Balanov: Loughborough University
A. M. Zagoskin: Loughborough University

The European Physical Journal B: Condensed Matter and Complex Systems, 2023, vol. 96, issue 3, 1-6

Abstract: Abstract While the size of functional elements in memristors becomes of the orders of nano-meters or even smaller, the quantum effects in their dynamics can significantly influence their transport properties, consistent with recent experimental observations of conductance quantisation in memristors. This requires the development of experimentally accessible signatures of quantum behaviour in memristive systems, such as a superposition of quantum states with different memristances. Here we discuss one such protocol. Our simulations show that periodic projective measurements induce additional spectral components in the response of quantum memristor to a harmonic input signal. Moreover, the response demonstrates a resonant behaviour when the frequency of the projective measurements commensurates with the frequency of the input. We demonstrate that observation of such harmonic mixing can be used as experimental evidence of quantum effects in memristors. Graphic abstract

Date: 2023
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DOI: 10.1140/epjb/s10051-023-00497-z

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