B. Crosignani et P. Diporto, SPONTANEOUS EMISSION AND PARTIAL DETECTION OF THE EMITTED PHOTON - A POSSIBLE QUANTUM-MECHANICAL NONLOCAL EFFECT, Nuovo cimento della Societa italiana di fisica. B, Relativity, classical and statistical physics, 109(5), 1994, pp. 555-557
Partial detection of the photons emitted by an ensemble of excited ato
ms can influence spontaneous decay. This surprising result appears to
be of intrinsically quantum-mechanical, non-local nature.