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math-ph2014★ 37 cited
invariants of topological insulators as geometric obstructions
Domenico Fiorenza, Domenico Monaco, Gianluca Panati
We consider a gapped periodic quantum system with time-reversal symmetry of fermionic (or odd) type, i.e. the time-reversal operator squares to -1. We investigate the existence of…
math-ph1999★ 5 cited
The Flux-Across-Surfaces Theorem for a Point Interaction Hamiltonian
G. Panati, A. Teta
The flux-across-surfaces theorem establishes a fundamental relation in quantum scattering theory between the asymptotic outgoing state and a quantity which is directly measured in…