From the 1 of 3 linked papers with an AI index.
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4 papers
Gibbs state preparation for commuting Hamiltonian: Mapping to classical Gibbs sampling
Yeongwoo Hwang, Jiaqing Jiang
The paper presents a method to prepare Gibbs states of commuting local quantum Hamiltonians by reducing the problem to classical Gibbs sampling, enabling faster preparation (e.g.,…
Thermal expectation estimation via single-trajectory Gibbs sampling with non-destructive measurements
Hongrui Chen, Jiaqing Jiang, Bowen Li +1
Estimating thermal expectation values of quantum many-body systems is a central challenge in physics, chemistry, and materials science. Standard quantum Gibbs sampling protocols ad…
Accelerating quantum Gibbs sampling without quantum walks
Jiaqi Leng, Jiaqing Jiang, Lin Lin
Szegedy's quantum walk gives a generic quadratic speedup for reversible classical Markov chains, but extending this mechanism to quantum Gibbs sampling has remained challenging bey…
Quantum Metropolis Sampling via Weak Measurement
Jiaqing Jiang, Sandy Irani
Gibbs sampling is a crucial computational technique used in physics, statistics, and many other scientific fields. For classical Hamiltonians, the most commonly used Gibbs sampler…