Experimental realization of the SSH4 model in ultracold atoms verifies higher-dimensional winding number via mean chiral displacement, maps the topological phase transition, and confirms edge states via quench dynamics.
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Topological characterizations of an extended Su-Schrieffer-Heeger model
Experimental realization of the SSH4 model in ultracold atoms verifies higher-dimensional winding number via mean chiral displacement, maps the topological phase transition, and confirms edge states via quench dynamics.