Interferometric approach to measuring band topology in 2D optical lattices.
Abanin DA, Kitagawa T, Bloch I, Demler E.
Abanin DA, et al. Among authors: bloch i.
Phys Rev Lett. 2013 Apr 19;110(16):165304. doi: 10.1103/PhysRevLett.110.165304. Epub 2013 Apr 18.
Phys Rev Lett. 2013.
PMID: 23679614
Free article.
In this Letter, we propose an interferometric method for measuring Berry's phases of two-dimensional Bloch bands. The key idea is to use a combination of Ramsey interference and Bloch oscillations to measure Zak phases, i.e., Berry's phases for closed traject …
In this Letter, we propose an interferometric method for measuring Berry's phases of two-dimensional Bloch bands. The key idea is to …