What is it about?
Flavin radical pair is an important participant of diverse biological processes, like photosynthesis, circadian rhythm, navigation. Involvement of their quantum spin superposition, the paradigm of quantum bits as well contributes decisively to emergent quantum biology area of science. The relevant coherent intersystem crossing between singlet - triplet spin states occurs at biological temperature and, thus, opens novel avenue in research of quantum matter and its application. The bottleneck restriction is the limited lifetime of correlated states for errorless storage of quantum information. We show, how biomimetic engineering spin relaxation can help to enhance longevity of operational states.
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Why is it important?
The resources provided by nature and by advances in single-molecule magnets and low-dimensional conjugated structures, considered similar to protein maquettes, are collected. Eventually, the perspective blueprint for design of protein inspired qubit materials is proposed.
Perspectives
The fascinating immersion in the universal world of quantum correlations, mediated by clock transitions, Zeno paradox, Floque dynamics, macroscopic quantum tunneling, photo induced electron transfer is expected to favor the insightful attention and citation of researchers in diverse areas of basic and applied science. More than anything else, and if nothing else, we hope you find this article imagination and thought-provoking.
Valentyna Sirenko
B.Verkin institute for low temperature physics and engineering
Read the Original
This page is a summary of: Biomimetic engineering spin relaxation in flavin radical pairs for singlet–triplet qubits (Review Article), Low Temperature Physics, July 2026, American Institute of Physics,
DOI: 10.1063/10.0044249.
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