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An SYK-inspired model with density–density interactions: Spectral & wave function statistics, Green’s function and phase diagram

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Dieplinger, Johannes ; Bera, Soumya ; Evers, Ferdinand
Date of publication of this fulltext: 21 May 2021 05:09


The Sachdev–Ye–Kitaev (SYK) model is a rare example of a strongly-interacting system that is analytically tractable. Tractability arises because the model is largely structureless by design and therefore artificial: while the interaction is restricted to two-body terms, interaction matrix elements are “randomized” and therefore the corresponding interaction operator does not commute with the ...


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