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

Slit experiments

  1. Nov 9, 2007 #1
    So I've been thinking about the slit experiment again...

    I did some googling/searching for literature but was unsuccessfull for finding the following variations on this subject.

    What happens when the slits are very long? (very thick sheet)

    What is the material (Z) dependence?

    What is the slit shape dependence?

    What is the temperature dependence (0K vs high K before melting)?

    What would happen if the sheet was composed of a material with absolutely no charge? (take neutrons for starters then worry about quark charges later)

    After viewing Tonomura's video (hitachi) it seems to me that photons/electrons are really particles. They just exhibit wavelike phenomena. Similar to a water molecule in a pond. The individual molecule isnt a wave. The forces that dictate its motion create the wave.
     
  2. jcsd
  3. Nov 9, 2007 #2

    OOO

    User Avatar

    Unnecessary complications. These variables would not affect the basic quantum mechanical behaviour of the double-slit experiment.

    Of course there must be some mechanism of interaction. If you light a double-slit made out of jelly with gamma rays, you won't get any interference pattern...

    I am quite convinced that photons/electrons are really waves and they just exhibit particle-like phenomena (localization). But we are knee-deep in speculation here because there is no current experiment that can discriminate between both of these views.

    Moreover, hard-boiled quantum mechanists will insist, that photons/electrons are neither wave nor particle independent of context, because for that one would need some hidden-variable theory.
     
  4. Nov 9, 2007 #3
    Is there any experimental data for the following is what I would really like to know.

    What happens when the slits are very long? (very thick sheet)

    What is the material (Z) dependence?

    What is the slit shape dependence?

    What is the temperature dependence (0K vs high K before melting)?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Slit experiments
Loading...