LOCAL MOMENTS AND LOCALIZED STATES

Nobel Lecture, 8 December, 1977 by

PHILIP W. ANDERSON 

Bell Telephone Laboratories, Inc, Murray Hill, New Jersey, and Princeton University, Princeton, New Jersey, USA

I was cited for work both. in the field of magnetism and in that of disordered systems, and I would like to describe here one development in each held which was specifically mentioned in that citation. The two theories I will discuss differed sharply in some ways. The theory of local moments in metals was, in a sense, easy: it was the condensation into a simple mathematical model of ideas which. were very much in the air at the time, and it had rapid and permanent acceptance because of its timeliness and its relative simplicity. What mathematical difficulty it contained has been almost fully- cleared up within the past few years.

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https://www.nobelprize.org/nobel_prizes/physics/laureates/1977/anderson-lecture.pdf

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