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Paper Title :
Exact Study Of Ferromagnetism In Conducting Polymers Via Positive Semidefinite Operator Properties

Author :Zsolt Gulacsi

Article Citation :Zsolt Gulacsi , (2015 ) " Exact Study Of Ferromagnetism In Conducting Polymers Via Positive Semidefinite Operator Properties " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 158-162, Special Issue-1

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

Type : Research paper

Published : Special Issue-1


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-2450   View Here

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