2лх Consider a one dimensional lattice with a weak periodic potential U (x) =U, cos a The gap at the edge of the Brillouin zone | k is: %3D a (a) U, U. (b) (c) 2U, (d)
2лх Consider a one dimensional lattice with a weak periodic potential U (x) =U, cos a The gap at the edge of the Brillouin zone | k is: %3D a (a) U, U. (b) (c) 2U, (d)
Related questions
Question
Transcribed Image Text:2nx
Consider a one dimensional lattice with a weak periodic potential U (x)=U, cos
a
The gap at the edge of the Brillouin zone
k
is:
a
U.
(a) U,
(b)
(c) 2U.
(d)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
