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cond-mat.str-el2026
The two-particle density matrix of a Luttinger liquid
Harini Radhakrishnan, Matthias Thamm, Hatem Barghathi +2
Two-particle coherence is the first level of the reduced-density-matrix hierarchy that contains correlations inaccessible to single-particle observables, yet analytic two-particle…
cond-mat.str-el2023★ 4 cited
Topological and magnetic properties of the interacting Bernevig-Hughes-Zhang model
Rahul Soni, Harini Radhakrishnan, Bernd Rosenow +2
We investigate the effects of electronic correlations on the Bernevig-Hughes-Zhang model using the real-space density matrix renormalization group (DMRG) algorithm. We introduce a…