Generalized Gibbs ensembles in weakly interacting dissipative systems and digital quantum computers

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.

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Publication Details

Journal
SciPost Physics
Published
2025-09-04
DOI
https://doi.org/10.21468/scipostphys.19.3.068
Citations
2
Primary Topic
Quantum many-body systems
Type
article
Field-Weighted Citation Impact
2.49

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article

Generalized Gibbs ensembles in weakly interacting dissipative systems and digital quantum computers

Zala Lenarčič, Iris Ulčakar
2 citations
SciPost Physics
Quantum many-body systems
2.49
article

Generalized Gibbs ensembles in weakly interacting dissipative systems and digital quantum computers

Zala Lenarčič, Iris Ulčakar
article en
2 citations

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.

SciPost PhysicsVol. 19(3)
University of Ljubljana (SI), Jožef Stefan Institute (SI)
QuantERA
Openalex Percentile: Top 10%
Quantum many-body systems
2.49
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Generalized Gibbs ensembles in weakly interacting dissipative systems and digital quantum computers — Zala Lenarčič, Iris Ulčakar · SciPost Physics (2025) | TGRS Research Map | TGRS