Abstract
We propose a scheme to realize a higher-order Chern insulator in an electrical circuit. By utilizing basic circuit elements synthesizing complex hoppings between sites of the lattice, we observe multiple topological phases of the three-dimensional circuit array, including higher-order Chern number and crystalline topological phase. In addition to nonreciprocal propagation of topological chiral hinge states, we find that these chiral states do not flow into the hinge opposite to the excitation, opening interesting opportunities for multiplexing.
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