Chiral waveguide optomechanics: first order quantum phase transitions with $\mathbb{Z}_3$ symmetry breaking in ultrastrong coupling regime. (arXiv:2009.01289v1 [cond-mat.mes-hall]) http://arxiv.org/abs/2009.01289
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.