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Volume-7,Issue-2, Spl. Iss-2  ( Jun, 2019 )
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Submitted Papers : 80
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Paper Title
Exact Study Of Ferromagnetism In Conducting Polymers Via Positive Semidefinite Operator Properties

Abstract
Conducting polymers holding pentagon cells are analyzed based on a technique which uses positive semidefinite operator properties, and it is shown that these systems can provide ferromagnetism even if do not contain magnetic atoms at all. The mechanism leading to the ordered phase is related to the presence of flat bands in the band structure of the system. Index Terms — Conducting polymers, Hubbard models, exact ground states, ferromagnetism, positive semidefinite operators


Author - Zsolt Gulacsi

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| Published on 2015-06-20
   
   
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