Measurements, errors, and negative kinetic energy
Copyright policy )Measurements, errors, and negative kinetic energy
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.
22 pp, TAUP 1850-90
- University of Bristol United Kingdom
- University of South Carolina United States
- Tel Aviv University Israel
- Université Libre de Bruxelles Belgium
- University of South Carolina Lancaster United States
High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Condensed Matter (cond-mat), FOS: Physical sciences, Condensed Matter, 530, 004
High Energy Physics - Theory, High Energy Physics - Theory (hep-th), Condensed Matter (cond-mat), FOS: Physical sciences, Condensed Matter, 530, 004
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