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Showing 2024 · quant-phShow all
3 papers · 2 filters
quant-ph2024★ 7 cited
Lower Bounds for the Trotter Error
Alexander Hahn, Paul Hartung, Daniel Burgarth +2
In analog and digital simulations of practically relevant quantum systems, the target dynamics can only be implemented approximately. The Trotter product formula is the most common…
quant-ph2024★ 3 cited
Engineering propagating cat states with driving-assisted cavity QED
Seigo Kikura, Hayato Goto, Takao Aoki
We propose a method for generating optical cat states in propagating pulses based on cavity quantum electrodynamics (QED). This scheme uses multiple four-level systems (4LSs) insid…
quant-ph2024★ 5 cited
Compressed space quantum approximate optimization algorithm for constrained combinatorial optimization
Tatsuhiko Shirai, Nozomu Togawa
Combinatorial optimization is a promising area for achieving quantum speedup. Quantum approximate optimization algorithm (QAOA) is designed to search for low-energy states of the I…