Experimental aspects of indefinite causal order in quantum mechanics

LA Rozema, T Strömberg, H Cao, Y Guo, BH Liu… - Nature Reviews …, 2024 - nature.com
In the past decade, the toolkit of quantum information has been expanded to include
processes in which the basic operations do not have definite causal relations. Originally …

Demonstration of superior communication through thermodynamically free channels in an optical quantum switch

H Tang, Y Guo, XM Hu, YF Huang, BH Liu, CF Li… - Physical Review A, 2024 - APS
The release of the causal structure of physical events from a well-defined order to an
indefinite order stimulates remarkable enhancements in various quantum information tasks …

Higher-order process matrix tomography of a passively-stable quantum switch

M Antesberger, MT Quintino, P Walther, LA Rozema - PRX Quantum, 2024 - APS
The field of indefinite causal order (ICO) has seen a recent surge in interest. Much of this
research has focused on the quantum switch, wherein multiple parties act in a superposition …

[HTML][HTML] Quantum Marine Predator Algorithm: A Quantum Leap in Photovoltaic Efficiency Under Dynamic Conditions

O Fergani, Y Himeur, R Mechgoug, S Atalla… - Information, 2024 - mdpi.com
The Quantum Marine Predator Algorithm (QMPA) presents a groundbreaking solution to the
inherent limitations of conventional Maximum Power Point Tracking (MPPT) techniques in …

Do qubits dream of entangled sheep? Quantum measurement without classical output

N Lupu-Gladstein, A Brodutch, H Ferretti… - New Journal of …, 2024 - iopscience.iop.org
Quantum mechanics is usually formulated with an implicit assumption that agents who can
observe and interact with the world are external to it and have a classical memory. However …

Quantum Measurements are Disturbing: Experiments studying the role of disturbance in postselected metrology, quantum pigeonholes, and entangled sheep

NB Lupu-Gladstein - 2024 - search.proquest.com
This thesis details two experiments and one theoretical manuscript that explore the nature of
measurement disturbance in quantum mechanics. The first experiment exploits …