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quant-ph2023★ 8 cited
Post-processing variationally scheduled quantum algorithm for constrained combinatorial optimization problems
Tatsuhiko Shirai, Nozomu Togawa
We propose a post-processing variationally scheduled quantum algorithm (pVSQA) for solving constrained combinatorial optimization problems (COPs). COPs are typically transformed in…
cond-mat.stat-mech2023★ 5 cited
Accelerated Decay due to Operator Spreading in Bulk-Dissipated Quantum Systems
Tatsuhiko Shirai, Takashi Mori
Markovian open many-body quantum systems display complicated relaxation dynamics. The spectral gap of the Liouvillian characterizes the asymptotic decay rate towards the stationary…