20 likes | 104 Views
HW #3, 406, due March 6, 2014. [1] Describe atomic motions of zone boundary phonon modes with a two-different-atoms basis that was discussed in class. [2] Do Chapter 3 [13] of Omar. [3]. [4].
E N D
HW #3, 406, due March 6, 2014 [1] Describe atomic motions of zone boundary phonon modes with a two-different-atoms basis that was discussed in class. [2] Do Chapter 3 [13] of Omar. [3]
[4] Instead of the above, calculate specific heat of the Debye model for a 1D lattice with 3 polarizations. [5] Plot the temperature dependence of the Planck distribution with the energy of 0.1 eV (= ). <n>=1/[e -1] _ _ h/kBT h