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cond-mat.mes-hall2025
Path integral approach to quantum thermalization
Alexander Altland, Kun Woo Kim, Tobias Micklitz
We introduce a quasiclassical Green function approach describing the unitary yet irreversible dynamics of quantum systems effectively acting as their own environment. Combining a v…
cond-mat.str-el2025
Mass-invariant universal optical conductivity from quantum geometry
Chang-geun Oh, Sun-Woo Kim, Kun Woo Kim +2
Mass is a defining property of particles, shaping their fundamental nature and interactions. In condensed matter systems, the effective mass of electrons has long been regarded as…