Marco Grioni, Christian Reinhard Ast, Helmuth Berger, Daniela Pacilè, Luca Perfetti
When two different periodic potentials are present at the same time in a solid, the electron wavefunctions must conform to the resulting overall periodicity. It is the case of the broken-symmetry phases which are often observed in low-dimensional systems. ...
Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2005