Scientific Reports 3, Article number: 2908 (2013); Published: 9 October 2013; Updated: 27 January 2014

This Article contains typographical errors in equations in the Results section “Topological states from Chern number analysis”. In these equations “:” should read “”.

“{A, B}:{↑, ↓}” should read “{A, B} {↑, ↓}”

Equation 2 should read:

Equation 3 should read: