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quant-ph2026
Spectral Core-Tail Architecture for Locally Certified Gibbs-State Preparation
Rui-Hao Li
Preparing a quantum Gibbs state requires reproducing both its thermal distribution and the associated many-body eigenspaces. In this work, we formalize the spectral core-tail archi…
quant-ph2025
Variational Thermal State Preparation on Digital Quantum Processors Assisted by Matrix Product States
Rui-Hao Li, Semeon Valgushev, Khadijeh Najafi
The preparation of quantum Gibbs states at finite temperatures is a cornerstone of quantum computation, enabling applications in quantum simulation of many-body systems, machine le…
quant-ph2023
A Review on Quantum Approximate Optimization Algorithm and its Variants
Kostas Blekos, Dean Brand, Andrea Ceschini +4
The Quantum Approximate Optimization Algorithm (QAOA) is a highly promising variational quantum algorithm that aims to solve combinatorial optimization problems that are classicall…