Spin resonance under topological driving fields

A. A. Reynoso, J. P. Baltanás, H. Saarikoski, J. E. Vázquez-Lozano, J. Nitta, D. Frustaglia

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We study the dynamics of a localized spin-1/2 driven by a time-periodic magnetic field that undergoes a topological transition. Despite the strongly non-adiabatic effects dominating the spin dynamics, we find that the field's topology appears clearly imprinted in the Floquet spin states through an effective Berry phase emerging in the quasienergy. This has remarkable consequences on the spin resonance condition suggesting a whole new class of experiments to spot topological transitions in the dynamics of spins and other two-level systems, from nuclear magnetic resonance to strongly-driven superconducting qubits.

本文言語English
論文番号063010
ジャーナルNew Journal of Physics
19
6
DOI
出版ステータスPublished - 2017 6

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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