Výsledky vyhledávání - "Braver, Yakov"

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Extended degenerate perturbation theory for the Floquet-Hilbert space

Autor: Braver, Yakov, Anisimovas, Egidijus

Publikováno v: Phys. Rev. A 110, 023315 (2024)

We consider construction of effective Hamiltonians for periodically driven interacting systems in the case of resonant driving. The standard high-frequency expansion is not expected to converge due to the resonant creation of collective excitations,

Externí odkaz: http://arxiv.org/abs/2405.01383

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Eight-dimensional topological systems simulated using time-space crystalline structures

Autor: Braver, Yakov, Anisimovas, Egidijus, Sacha, Krzysztof

Publikováno v: Phys. Rev. B 108, L020303 (2023)

We demonstrate the possibility of using time-space crystalline structures to simulate eight-dimensional systems based on only two physical dimensions. A suitable choice of system parameters allows us to obtain a gapped energy spectrum, making topolog

Externí odkaz: http://arxiv.org/abs/2305.07668

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