Floquet engineering in correlated electron systems

Floquet states, namely the eigenstates of periodic time-dependent Hamiltonian offer a unique opportunity to realize novel electronic state in quantum matter. Coherent light irradiation is the most promising way to realize the Floquet states, and enables the artificial control of manybody quantum states, giving rise to a new functionality of quantum matter. In this project, we aim at creating the Floquet state in superconductors and/or topological material exemplified by Dirac/Weyl semimetals. This project will include the experimental work, in particular on optics, femtosecond ultrafast spectroscopy, terahertz spectroscopy, development of the coherent light sources in the terahertz frequency and mid-infrared range, cryogenics, combined with data analysis and theoretical models.


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