Hi all, In gereral case, for a tri-clinic lattice, based on the fractional positions of two k-points relative to the reciprocal space lattice vectors, how can I compute the distance between these two points in reciprocal space? Does someone here have the script/tools for this purpose?
Regards. -- Hongsheng Zhao <zhaohscas at yahoo.com.cn> School of Physics and Electrical Information Science, Ningxia University, Yinchuan 750021, China