10 papers
Variational Multi-Gaussian Phase-Space Dynamics via Automatic Differentiation
Jacopo Tosca, Francesco Carnazza, Luca Giacomelli +1
The paper presents a variational multi-Gaussian approach for simulating the dynamics of interacting open quantum bosonic systems, using a Wigner phase-space representation and auto…
Quantum and Classical Potts Criticality in Driven-Dissipative Bosonic Lattices
Jacopo Tosca, Zejian Li, Cristiano Ciuti
The emergence of equilibrium universality from intrinsically nonequilibrium dynamics is a fundamental open problem. Bose-Hubbard lattices realized in photonic and circuit-QED platf…
Composite-Fermion Study of Cavity-Modified Fractional Quantum Hall Excitation Gaps
Dalin Boriçi, Nicolas Regnault, Cristiano Ciuti
We investigate how cavity-mediated attractive electron-electron interactions modify the excitation gaps of fractional quantum Hall states within the composite-fermion framework. We…
Strange Luttinger liquids in a cavity-embedded one-dimensional electronic chain
Danh-Phuong Nguyen, Christophe Mora, Cristiano Ciuti
We study a one-dimensional electronic chain coupled to a homogeneous quantized vacuum field and electron-electron interactions. In the absence of the latter, we derive a low-energy…
Ising selector machine by Kerr parametric oscillators
Jacopo Tosca, Cristiano Ciuti, Claudio Conti +1
Ising machines are physical platforms designed to minimize the energy of classical Ising Hamiltonians, yet accessing specific excited states remains an open challenge of both funda…
Variational Dynamics of Open Quantum Spin Systems in Phase Space
Jacopo Tosca, Zejian Li, Francesco Carnazza +1
We introduce a variational method for simulating the dynamics of interacting open quantum spin systems. The method is based on the spin phase-space representation and variationally…