Alexander Bartenev, Camilo Verbel, Qin Wu, Fernando Camino, Armando Rúa, Sergiy Lysenko
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Abstract
Light Matter Interaction
In article number 2400539, Sergiy Lysenko and co-workers show that the light-induced formation of a nonequilibrium excited state in vanadium oxide triggers an insulator-metal phase transition by melting a correlated electronic state. A free-energy Landau-Ginzburg potential Φ, reconstructed across a broad range of temperatures and excitation energies, reveals its ultrafast modification by light, accompanied by a complex evolution of the order parameter η.
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