Heisenberg's uncertainty relation: Violation and reformulation

Abstract

The uncertainty relation formulated by Heisenberg in 1927 describes a trade-off between the error of a measurement of one observable and the disturbance caused on another complementary observable so that their product should be no less than a limit set by Planck's constant. In 1980, Braginsky, Vorontsov, and Thorne claimed that this relation leads to a sensitivity limit for gravitational wave detectors. However, in 1988 a model of position measurement was constructed that breaks both this limit and Heisenberg's relation. Here, we discuss the problems as to how we reformulate Heisenberg's relation to be universally valid and how we experimentally quantify the error and the disturbance to refute the old relation and to confirm the new relation.

12 pages, submitted to EmQM13 proceedings

References in corpus (6)

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• Realization of Measurement and the Standard Quantum Limit
• Position Measurements Obeying Momentum Conservation
• Conservation-Law-Induced Quantum Limits for Physical Realizations of the Quantum NOT Gate
• Minimum-energy pulses for quantum logic cannot be shared
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• An Updated Quantum Complementarity Principle
• State-Independent Error-Disturbance Tradeoff For Measurement Operators
• Minimal Trade-off and Optimal Measurement for Multiparameter Quantum Estimation