Magnetic phase diagram for CuMn |
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Authors: | Rajiv Kumar ChouhanAbhijit Mookerjee |
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Affiliation: | Department of Materials Science, S.N. Bose National Center for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India |
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Abstract: | To study the magnetic phases of CuMn, we carry out a generalized perturbation expansion of the band energy across the composition range. We obtain the pair energy using the orbital peeling technique of Burke, based on the tight-binding linear muffin-tin orbital and augmented space recursion methods. We analyze the phases of the system by studying the probability distribution of the local staggered occupation ’fields’ within a mean-field approach. We show that our predicted phase boundaries agree well with experimental results. |
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Keywords: | Spin glass Mean-field approach Phase diagram |
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