Parametric control of Meissner screening in light-driven superconductors
| Autor: | Homann, Guido, Cosme, Jayson G., Mathey, Ludwig |
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| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | New J. Phys. 24, 113007 (2022) |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1088/1367-2630/ac9b83 |
| Popis: | We investigate the Meissner effect in a parametrically driven superconductor using a semiclassical $U(1)$ lattice gauge theory. Specifically, we periodically drive the $z$-axis tunneling, which leads to an enhancement of the imaginary part of the $z$-axis conductivity at low frequencies if the driving frequency is blue-detuned from the plasma frequency. This has been proposed as a possible mechanism for light-enhanced interlayer transport in YBa$_2$C$_3$O$_{7-\delta}$ (YBCO). In contrast to this enhancement of the conductivity, we find that the screening of magnetic fields is less effective than in equilibrium for blue-detuned driving, while it displays a tendency to be enhanced for red-detuned driving. Comment: 20 pages, 7 figures + Supplemental Material |
| Databáze: | arXiv |
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