Parity time symmetry in two dimensional chiral optical lattice, via positive and negative refraction

Authors: Hayat, Umar ^a, Bacha, Bakht Amin ^a, Din, Rafi Ud ^b, Ahmad, Iftikhar ^a, Akgül, Ali ^{c, d, e, f, ⁎}, Din, Sayed M. El ^g

Source: In Results in Physics January 2024 56