2 papers
quant-ph2025
Mirror subspace diagonalization: A quantum Krylov algorithm with near-optimal sampling cost
Shota Kanasugi, Yuya O. Nakagawa, Norifumi Matsumoto +3
Quantum Krylov algorithms have emerged as a promising approach for ground-state energy estimation in the near-term quantum computing era. A major challenge, however, lies in their…
quant-ph2024
Quantum many-body simulation of finite-temperature systems with sampling a series expansion of a quantum imaginary-time evolution
Norifumi Matsumoto, Shoichiro Tsutsui, Yuya O. Nakagawa +5
Simulating thermal-equilibrium properties at finite temperature is crucial for studying quantum many-body systems. Quantum computers are expected to enable us to simulate large sys…