Generalized Gibbs ensembles in weakly interacting dissipative systems and digital quantum computers
arXiv:2406.17033 · doi:10.21468/SciPostPhys.19.3.068
Abstract
Identifying use cases with superconducting circuits not critically affected by the inherent noise is a pertinent challenge. Here, we propose using a digital quantum computer to showcase the activation of integrable effects in weakly dissipative integrable systems. Dissipation is realized by coupling the system's qubits to ancillary ones that are periodically reset. We compare the digital reset protocol to the usual Lindblad continuous-time evolution by considering non-interacting integrable systems dynamics, which can be analyzed using scattering between the Bogoliubov quasiparticles caused by the dissipation. If not dominant, the inherent noise would cause extra scattering but would not critically change the physics. A corresponding quantum computer implementation would illuminate the possibilities of stabilizing exotic states in nearly integrable quantum materials.
Adapted to fit SciPost format, added benchmarking of scattering equations obtained from the GGE ansatz to exact TEBD simulation for the spin chain case as well as digital reset protocol
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