- #1
lyylynn
- 2
- 0
Hi,
Could someone help to explain that why for the 2 D system, like 2 dimensional electronic gas, the crystal momentum k in 2D band structure is defined on a torus?
Thanks a lot.:)
Could someone help to explain that why for the 2 D system, like 2 dimensional electronic gas, the crystal momentum k in 2D band structure is defined on a torus?
Thanks a lot.:)