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

A The spectral gap and it's decidability

  1. Dec 14, 2015 #1
    The article on undecidability of presence of spectral gap by describing its microscopic structure seems to contradict the fact that we can decide whether a CNT is metallic or semi -conducting by checking its diameter and its twist.
     
  2. jcsd
  3. Dec 14, 2015 #2

    mfb

    User Avatar
    2017 Award

    Staff: Mentor

Share this great discussion with others via Reddit, Google+, Twitter, or Facebook