I don't find any reference to Afshar or his experiment on the Harvard web site or on arXiv.org?
Brent Meeker >-----Original Message----- >From: Jeff Bone [mailto:[EMAIL PROTECTED] >Sent: Monday, April 26, 2004 6:27 PM >To: [EMAIL PROTECTED] >Cc: [EMAIL PROTECTED] >Subject: Many Worlds invalidated? > > > >Hot off the press, via Boingsters: > > >http://www.boingboing.net/2004/04/26/many_worlds_theory_i.html > > Many Worlds theory invalidated > >Kathryn Cramer breaks the story on a to-be-presented >Harvard talk on an >experiment that appears to invalidate both the "Many Worlds" and >"Copenhagen" theories of quantum mechanics. Kathryn is >the daughter of >John Cramer, a physicist whose "Transactional Interpretetation" >hypothesis is the only one left intact by the >experiment's findings. > >It has been widely accepted that the rival >interpretations of quantum >mechanics, e.g., the Copenhagen Interpretation, the Many-Worlds >Interpretation, and my father John Cramer's Transactional >Interpretation, cannot be distinguished or falsified by >experiment, >because the experimental predictions come from the >formalism that all >such interpretations describe. However, the Afshar Experiment >demonstrates in an interaction-free way that there is a >loophole in >this logic: if the interpretation is inconsistent with >the formalism, >then it can be falsified. In particular, the Afshar Experiment >falsifies the Copenhagen Interpretation, which requires >the absence of >interference in a particle-type measurement. It also >falsifies the >Many-Worlds Interpretation which tells us to expect no >interference >between "worlds" that are physically distinguishable, e.g., that >correspond to the photon's passage through one pinhole >or the other. >Link (Thanks, Kathryn!) > > http://www.kathryncramer.com/wblog/archives/000530.html > >
