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A Simple Model of a Magnetic Impurity
Author(s) -
Hunt J. T.
Publication year - 1969
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19690340126
Subject(s) - impurity , magnetism , condensed matter physics , spin (aerodynamics) , simple (philosophy) , energy spectrum , constant (computer programming) , physics , quantum mechanics , thermodynamics , computer science , programming language , philosophy , epistemology
The effect of a single spin impurity on the energy spectrum of the one‐dimensional X‐Y model of magnetism is investigated. Two localized spin deviation states are found when the exchange constant between the impurity and its two nearest neighbors exceeds a critical value.