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Local Moment Approach to Multi-Orbital Anderson and Hubbard Models

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  1. Article

    Open Access

    The plain and simple parquet approximation: single-and multi-boson exchange in the two-dimensional Hubbard model

    The parquet approach to vertex corrections is unbiased but computationally demanding. Most applications are therefore restricted to small cluster sizes or rely on various simplifying approximations. We have re...

    Friedrich Krien, Anna Kauch in The European Physical Journal B (2022)

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  2. Article

    Open Access

    Electron-light interaction in nonequilibrium: exact diagonalization for time-dependent Hubbard Hamiltonians

    We present a straightforward implementation scheme for solving the time-dependent Schrödinger equation for systems described by the Hubbard Hamiltonian with time-dependent hop**s. The computations can be per...

    Michael Innerberger, Paul Worm, Paul Prauhart… in The European Physical Journal Plus (2020)

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