3 papers
quant-ph2026
Heisenberg Scaling in Many-Body Kinetic Uncertainty Relation via Quantum Feedback
Hayato Yunoki, Yoshihiko Hasegawa
Precision is a central figure of merit for quantum devices, including quantum clocks whose performance is determined by the stability of counting events. Kinetic uncertainty relati…
quant-ph2026
Kinetic Uncertainty Relation in Collective Dissipative Quantum Many-Body Systems
Hayato Yunoki, Yoshihiko Hasegawa
Attaining the ultimate precision remains a central objective in the engineering of nanoscale systems and the investigation of nonequilibrium processes. While thermodynamic and kine…
quant-ph2025
Quantum Speed Limit and Quantum Thermodynamic Uncertainty Relation under Feedback Control
Hayato Yunoki, Yoshihiko Hasegawa
Fundamental trade-off relations, such as quantum speed limit and quantum thermodynamic uncertainty relation, describe the performance limits of quantum systems by imposing that imp…