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cond-mat.mes-hall2021
Supermetal-insulator transition in a non-Hermitian network model
Hui Liu, Jhih-Shih You, Shinsei Ryu +1
We study a non-Hermitian and non-unitary version of the two-dimensional Chalker-Coddington network model with balanced gain and loss. This model belongs to the class D^dagger with…
cond-mat.str-el2021
Stability against contact interactions of a topological superconductor in two-dimensional space protected by time-reversal and reflection symmetries
Ömer M. Aksoy, Jyong-Hao Chen, Shinsei Ryu +2
We study the stability of topological crystalline superconductors in the symmetry class DIIIR and in two-dimensional space when perturbed by quartic contact interactions. It is kno…