Theoretical study of the positron surface state at an alkali-metal surface. The positron
surface state lifetime is calculated using the local density
approximation method
Theoretical studies of positron states and annihilation characteristics at the oxidized Cu(100) surface and the generalized gradient
approximation (GGA).
Surface structures in calculations have been constructed by adding
Study of the optical properties of an exposed soil surface surface properties are affected by both soil and nonsoil factors; according to analysis of variance
On the eikonal approximation in the theory of transition radiation on the equivalent photon method and the eikonal
approximation in wave mechanics, a method for describing