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Measurements, Errors, and Negative Kinetic Energy by Aharonov, Y.; Popescu, S.; Rohrlich, D.; Vaidman, L. is a scholarly article available to read on EtoBox.

What is Measurements, Errors, and Negative Kinetic Energy about?

An analysis of errors in measurement yields new insight into the penetration of quantum particles into classically forbidden regions. In addition to ``physical" values, realistic measurements yield ``unphysical" values which, we show, can form a consistent pattern. An experiment to isolate a particle in a classically forbidden region obtains negative values for its kinetic energy. These values realize the concept of a {\it weak value}, discussed in previous works.

Author

Aharonov, Y.; Popescu, S.; Rohrlich, D.; Vaidman, L.

Published

1993

Language

EN