Tuesday, September 21, 2010

Effective Hamiltonian for atom-surface interactions

Why and how do atoms chemically bond to surfaces?
This can be described by the Newns-Anderson model Hamiltonian.
A nice brief overview is the chapter on Hetergeneous Catalysis by Bligaard and Norskov, from the book Chemical Bonding at Surfaces and Interfaces.

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Tony Leggett (1938-2026): condensed matter theorist

Tony Leggett died last week. The New York Times has a nice obituary. One measure of his influence on me is that more than 20 posts on this ...