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- W4306175890 abstract "We study an interacting one-dimensional gas of spin-1/2 fermions with two-body losses. The dynamical phase diagram that characterises the approach to the stationary state displays a wide quantum-Zeno region, identified by a peculiar behaviour of the lowest eigenvalues of the associated non-Hermitian Hamiltonian. We characterise the universal dynamics of this Zeno regime using an approximation scheme based on a effective decoupling of charge and spin degrees of freedom, where the latter effectively evolve in a non-Markovian way according to a non-Hermitian Heisenberg Hamiltonian. We present detailed results for the time evolution from initial states with one particle per site with either incoherent and antiferromagnetic spin order, showing how the two non-equilibrium evolutions build up drastically different charge correlations." @default.
- W4306175890 created "2022-10-14" @default.
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- W4306175890 date "2022-06-14" @default.
- W4306175890 modified "2023-10-18" @default.
- W4306175890 title "A dynamical theory for one-dimensional fermions with strong two-body losses: universal non-Hermitian Zeno physics and spin-charge separation" @default.
- W4306175890 doi "https://doi.org/10.48550/arxiv.2206.06837" @default.
- W4306175890 hasPublicationYear "2022" @default.
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