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

Gauge symmetry breaking

  1. Oct 28, 2015 #1

    Garlic

    User Avatar
    Gold Member

    Can there be interactions that are symmetric under low temperatures but exhibit spontaneous symmetry breaking under extremely low temperatures? (Maybe that symmetry breaking temperature is so low that it couldn't be discovered in experiments)
    Does electromagnetism split into electricity and magnetism under ideal conditions?
     
  2. jcsd
  3. Oct 28, 2015 #2

    Vanadium 50

    User Avatar
    Staff Emeritus
    Science Advisor
    Education Advisor

    Electromagnetism "splits into" electricity and magnetism under ordinary conditions. Pre-19th century, they were thought to be two different phenomena.
     
  4. Oct 29, 2015 #3
    I don't think electromagnetism splits into anything.

    Its four-vector potential just has a temporal component, and three spatial ones. We perceive temporal component as electrostatic potential, and spatial ones as magnetic vector potential. But they are not independent or invariant fields, they are projections of a single field onto your particular frame of reference's time and space subspaces

    That's why stationary charges have only electric field (temporal component), but when observer starts moving, magnetic field "magically appears" - by Lorentz transform, for this observer temporal component partially "spilled into" spatial ones.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Gauge symmetry breaking
  1. Gauge symmetry (Replies: 10)

Loading...