INTRODUCTION: Density functional theory (DFT) is a widely used method for calculating the electronic properties of materials. The method is based on the idea of approximating the many-electron wave ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 114, No. 44 (October 31, 2017), pp. 11633-11638 (6 pages) We establish the physical origins of chemical ...
AGC (automatic-gain-control) amplifiers use the nonlinear characteristics of control devices. The magnitude of the real component in some of their differential parameters changes depending on ...