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Interaction-driven dynamics in graphene flakes as a benchmark for quantum simulation
Fabian Eickhoff, Satoshi Ejima, Lukas Windgätter +4
We study interaction-driven ultrafast dynamics in finite graphene flakes following an optical pump quench in an interacting tight-binding model. By comparing exact real-time evolut…
Correlation-driven branch in doped excitonic insulators
Tatsuya Kaneko, Ryota Ueda, Satoshi Ejima
We investigate the spectral properties of doped one-dimensional excitonic insulators. Employing matrix-product-state-based methods, we compute the single-particle spectrum and opti…
Ground-State Properties of the - Model for the CuO Double-Chain Structure
Tatsuya Kaneko, Satoshi Ejima, Koudai Sugimoto +1
We investigate the ground-state properties of a correlated model for the double-chain structure in cuprates. We consider the - model, in which the nearest-neighbor spin inter…