PhysicsCircus

http://www.mtmi.vu.lt/pfk/funkc_dariniai/quant_mech/bands.htm Bloch Theorem http://www.tf.uni-kiel.de/matwis/amat/semi_en/index.html http://www.eserc.stonybrook.edu/ProjectJava/Bragg/ http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/bragg.html Bragg diffraction