On the bott index of unitary matrices on a finite torus

HIGHLIGHTS

• who: Daniele Toniolo from the Department of Computer Science, University College London, London, UK have published the article: On the Bott index of unitary matrices on a finite torus, in the Journal: (JOURNAL)
• what: The aim of this section is to introduce a pair of suitable quasi-unitary matrices, given by_(29), and a pair of unitary matrices, given by_(72) that arise from the physical system considered in Sect 2 and prove that their Bott index equals the transverse conductance.
• how: Previously this relation has been established only approximately making use of . . .
  

   

  

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