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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Testing sequential quantum measurements: how can maximal knowledge be extracted?

Eleonora Nagali1, Simone Felicetti, Pierre-Louis de Assis

  • 1Dipartimento di Fisica, Sapienza Università di Roma, Roma 00185, Italy.

Scientific Reports
|June 22, 2012
PubMed
Summary
This summary is machine-generated.

Extracting information from quantum systems disturbs them. This study shows sequential partial quantum measurements can balance information gain and disturbance, especially with adaptive strategies.

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Last Updated: May 21, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

Area of Science:

  • Quantum Information Science
  • Quantum Measurement Theory

Background:

  • Quantum information extraction inherently alters quantum systems.
  • Partial measurements offer a way to gain information with limited disturbance.

Purpose of the Study:

  • To experimentally investigate sequential partial quantum measurements.
  • To analyze the trade-off between information extractable and system disturbance.
  • To explore adaptive strategies for optimizing this trade-off.

Main Methods:

  • Implementation of two sequential partial measurements on a quantum system.
  • Experimental analysis of the dynamics governing information extraction and disturbance.
  • Application of adaptive strategies to optimize measurement outcomes.

Main Results:

  • Demonstrated the trade-off between information gain and disturbance in sequential partial measurements.
  • Showcased that adaptive strategies can achieve an optimal balance.
  • Quantified the impact of sequential measurements on quantum state preservation.

Conclusions:

  • Sequential partial quantum measurements are a viable method for controlled information extraction.
  • Adaptive strategies are crucial for navigating the information-disturbance trade-off.
  • Experimental results validate theoretical predictions on quantum measurement dynamics.