Variational quantum simulation of ultrastrong light-matter coupling
Agustín Di Paolo, Panagiotis Kl. Barkoutsos, Ivano Tavernelli, Alexandre Blais · Physical Review Research · 2020
This work uses a modified version of the polaron Ansatz, developed by the quantum optics and condensed matter communities, to estimate the ultrastrong-coupling ground state of the multimode Dicke Hamiltonian in a quantum computer.