Electronic nearsightedness of matter: the concept and some quantitative estimates.

Walter Kohn, University of California at Santa Barbara, USA
e-mail: hicks@mail.physics.ucsb.edu


Mardi 8 juin 2004, 11h00, salle Chouard
The concept of "nearsightedness" articulates, quantifies and limits a common chemical consensus that covalent and metallic binding are local quantum chemical phenomena. After a qualitative introduction, preliminary analytical and numerical results for simple models will be presented.