Weak Value in Wave Function of Detector

Details Weak Value in Wave Function of Detector Weak Value in Wave Function of Detector

2010-05-26

arxiv.org/abs/1005.4720v2

Journal of the Physical Society of Japan, vol.79 (2010), 125003

Physics

Quantum Physics

3 pages, no figures, Published in Journal of the Physical Society of Japan

Scientific paper

A simple formula to read out the weak value from the wave function of the measuring device after the postselection with the initial Gaussian profile is proposed. We apply this formula for the weak value to the classical experiment of the realization of the weak measurement by the optical polarization and obtain the weak value for any pre- and post-selections. This formula automatically includes the interference e?ect which is necessary to yields the weak value as an outcome of the weak measurement.

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