Generalized Scaling of Spin Qubit Coherence in over 12,000 Host Materials

Overview

Journal Proc Natl Acad Sci U S A

Specialty Science

Date 2022 Apr 6

PMID 35385350

Authors

Shun Kanai

F Joseph Heremans

Hosung Seo

Gary Wolfowicz

Christopher P Anderson

Sean E Sullivan

Mykyta Onizhuk

Giulia Galli

David D Awschalom

Hideo Ohno

Affiliations

Soon will be listed here.

Abstract

SignificanceAtomic defects in solid-state materials are promising candidates as quantum bits, or qubits. New materials are actively being investigated as hosts for new defect qubits; however, there are no unifying guidelines that can quantitatively predict qubit performance in a new material. One of the most critical property of qubits is their quantum coherence. While cluster correlation expansion (CCE) techniques are useful to simulate the coherence of electron spins in defects, they are computationally expensive to investigate broad classes of stable materials. Using CCE simulations, we reveal a general scaling relation between the electron spin coherence time and the properties of qubit host materials that enables rapid and quantitative exploration of new materials hosting spin defects.

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