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Disordered alloys; short-range order; optical conductivity.

We discuss an application of the generalized augmented space method introduced by one of us combined with the recursion method of Haydock et al (GASR) to the study of electronic structure and optical properties of random binary alloys. As an example, we have taken the 50-50 CuZn alloy, where neutron scattering indicates the existence of short-range order.

Abhijit Mookerjee^{1 2} Kartick Tarafder³ Atisdipankar Chakrabarti^{3 4} Kamal Krishna Saha⁵

1. Department of Physics, Indian Institute of Technology, Kanpur 208 016, India
2. On sabbatical leave from: S.N. Bose National Center for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India
3. S.N. Bose National Center for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India
4. Ramakrishna Mission Vivekananda Centenary College, Rahara, West Bengal, India
5. Theory Department, Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, D-06120 Halle (Saale), Germany

Published

February 2008