Imaginary gauge potentials in a non-Hermitian spin-orbit coupled quantum gas

Junheng Tao, Emmanuel Mercado-Gutierrez, Mingshu Zhao +1

In 1996, Hatano and Nelson proposed a non-Hermitian lattice model containing an imaginary Peierls phase [Phys. Rev. Lett. 77 570-573 (1996)], which subsequent analyses revealed to…