Leading gradient correction to the kinetic energy for two-dimensional fermion gases.

Trappe, M.-I., Len, Y. L., Ng, H. K., Müller, C. A., & Englert, B.-G. (2015). Leading gradient correction to the kinetic energy for two-dimensional fermion gases. arXiv Preprint arXiv:1512.07367. Retrieved from http://arxiv.org/abs/1512.07367