Scattering and topological properties of driven-dissipative quantum fluids

berceanu@runbox.com

Polaritonic edge mode propagation

Phys. Rev. X 5, 031001 (2015)

Types of instabilities

Low pump powers

High pump powers

Goldstone mode evolution

Varying the pump momentum

Varying the signal momentum

$H=\mathcal{H}_0+\frac{1}{2}\kappa \sum_{m,n}\left[(m-m_0)^{2}+(n-n_0)^{2}\right]\hat{a}_{m,n}^{\dagger}\hat{a}_{m,n}$