Scaling universality at the dynamic vortex Mott transition

M. Lankhorst, N. Poccia, M. P. Stehno, A. Galda, H. Barman, F. Coneri, H. Hilgenkamp, A. Brinkman, A. A. Golubov, V. Tripathi, T. I. Baturina, V. M. Vinokur

Результат исследования: Научные публикации в периодических изданияхстатья

8 Цитирования (Scopus)

Аннотация

The cleanest way to observe a dynamic Mott insulator-to-metal transition (DMT) without the interference from disorder and other effects inherent to electronic and atomic systems, is to employ the vortex Mott states formed by superconducting vortices in a regular array of pinning sites. Here, we report the critical behavior of the vortex system as it crosses the DMT line, driven by either current or temperature. We find universal scaling with respect to both, expressed by the same scaling function and characterized by a single critical exponent coinciding with the exponent for the thermodynamic Mott transition. We develop a theory for the DMT based on the parity reflection-time reversal (PT) symmetry breaking formalism and find that the nonequilibrium-induced Mott transition has the same critical behavior as the thermal Mott transition. Our findings demonstrate the existence of physical systems in which the effect of a nonequilibrium drive is to generate an effective temperature and hence the transition belonging in the thermal universality class.

Язык оригиналаанглийский
Номер статьи020504
Число страниц6
ЖурналPhysical Review B
Том97
Номер выпуска2
DOI
СостояниеОпубликовано - 17 янв 2018

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  • Цитировать

    Lankhorst, M., Poccia, N., Stehno, M. P., Galda, A., Barman, H., Coneri, F., Hilgenkamp, H., Brinkman, A., Golubov, A. A., Tripathi, V., Baturina, T. I., & Vinokur, V. M. (2018). Scaling universality at the dynamic vortex Mott transition. Physical Review B, 97(2), [020504]. https://doi.org/10.1103/PhysRevB.97.020504