Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Observer free choice in quantum mechanics?

  1. Oct 23, 2004 #1
    Does quantum mechanics allow an observer free choice of measurement?
  2. jcsd
  3. Oct 23, 2004 #2


    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Interactions with the invironment tend to "push" a physical system into an eigenstate of some observable. I guess you can call this a "measurement" without an observer.

    This is what "decoherence" is all about.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook