The unitary contribution from weak system-bath coupling in collision-model thermal state preparation tightens the fixed-point error bound, scaling rigorously as J² where J is the coupling strength.
[Zha+26] Yongtao Zhan et al
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The paper extends KMS-detailed-balance Lindbladian constructions beyond Gibbs states to prepare general stationary states σ=f(H)/Tr[f(H)], including microcanonical window states, with polynomial-time quantum circuit implementations.
Introduces local-circuit approximations to quasilocal dissipative processes for efficient, provably convergent quantum Gibbs sampling at high temperatures.
Extends KMS-detailed balance constructions from open quantum systems to prepare microcanonical ensembles and other stationary states with criteria for efficient implementation.
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Rigorous error bounds for dissipative thermal state preparation from weak system-bath coupling
The unitary contribution from weak system-bath coupling in collision-model thermal state preparation tightens the fixed-point error bound, scaling rigorously as J² where J is the coupling strength.
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Semantic Prompting: Agentic Incremental Narrative Refinement through Spatial Semantic Interaction
The paper extends KMS-detailed-balance Lindbladian constructions beyond Gibbs states to prepare general stationary states σ=f(H)/Tr[f(H)], including microcanonical window states, with polynomial-time quantum circuit implementations.
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Efficient Quantum Gibbs Sampling with Local Circuits
Introduces local-circuit approximations to quasilocal dissipative processes for efficient, provably convergent quantum Gibbs sampling at high temperatures.
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Dissipative microcanonical ensemble preparation from KMS-detailed balance
Extends KMS-detailed balance constructions from open quantum systems to prepare microcanonical ensembles and other stationary states with criteria for efficient implementation.