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1 paper

cond-mat.str-el2019

Topological phases in two-legged Heisenberg ladders with alternating interactions

Greta Ghelli, Giuseppe Magnifico, Cristian Degli Esposti Boschi +1

We analyze the possible existence of topological phases in two-legged spin ladders considering a staggered interaction in both chains. When the staggered interaction in one chain i…