The Department of Physics at POSTECH has a total of 31 professors in the field of condensed matter physics / theory, optics, biophysics / complexity, plasma / accelerator and particle physics. postech is a research-oriented university that selects more graduate students than undergraduate students. postech maintains the ratio of 8.1 students per faculty (2.6 undergraduate students, 5.5 graduate students) for pursue world top class education and research .