Science, Space and Technology News 2024
Mid-infrared laser pulses coherently drive atomic modes in YBa2Cu3O6.48 and stabilize superconducting fluctuations at high temperature. This quantum coherence leads to the ultrafast expulsion of a static magnetic field. Credit: S. Fava / J. Harms, MPSD
This light-induced superconductivity has been shown to replicate crucial features like zero electrical resistance and expulsion of magnetic fields, suggesting potential applications in high-speed devices and extending superconductivity to ambient temperatures. A number of modern studies have investigated this behavior in so-called non-equilibrium states, that is in situations in which the material is pushed away from thermal equilibrium. In these conditions, it appears that at least some of the features of superconductivity can be recreated even at ambient temperatures.
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