Ancilla-train quantum algorithm for simulating non-Markovian open quantum systems

arXiv:2509.12717 · quant-ph, cond-mat.stat-mech · Submitted 2025-09-16 · Read on arXiv

quant-ph, cond-mat.stat-mech

Submitted: 2025-09-16

Updated: 2025-11-19

Comments: 10 pages, 18 pages in appendices. 4 figures and 1 table

DOI: 10.1103/dc52-844x

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 2× in this paper · explained in 1 episode
• Ancillary Qubits — 1× in this paper

Sources

• Quantum generalizations of Glauber and Metropolis dynamics
• An efficient and exact noncommutative quantum Gibbs sampler
• Towards Efficient Quantum Thermal State Preparation via Local Driving: Lindbladian Simulation with Provable Guarantees
• Quantum thermal state preparation for near-term quantum processors
• Quasiparticle cooling algorithms for quantum many-body state preparation
• Simple and efficient end-to-end quantum thermal and ground state preparation
• Completely Positive, Simple, and Possibly Highly Accurate Approximation of the Redfield Equation
• Dynamics of parafermionic states in transport measurements
• Self-correcting GKP qubit and gates in a driven-dissipative circuit
• Quasi-Lindblad pseudomode theory for open quantum systems

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