Titlebook: Topological Insulators; Dirac Equation in Co Shun-Qing Shen Book 2017Latest edition Springer Nature Singapore Pte Ltd. 2017 Su-Schrieffer-H

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Topological Invariants,sists of all integers. For example, the integer quantum Hall effect is characterized by the integer ., i.e., the filling factor of electrons. The second class is characterized by the elements of the group ., which consists of 0 and 1, or 1 and . depending on convention. In a topological insulator wi

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Topological Superconductors and Superfluids,vial or non-trivial. Topological superconductors and superfluids have topological nontrivial bands, and possess the edge states or surface states just like topological insulators. Superfluid phases in liquid helium 3 are topological ones. Spin-triplet superconductors are potential candidates for top