STUDY OF COEXISTANCE OF SPIN DENSITY WAVE(SDW) AND SUPERCONDUCTIVITY IN Pr01-xFxFeAs

Getachew   Aleye

dc.contributor.author	Getachew Aleye
dc.date.accessioned	2017-08-04T04:56:11Z
dc.date.available	2017-08-04T04:56:11Z
dc.date.issued	2017-08-04
dc.identifier.uri	http://hdl.handle.net/123456789/7612
dc.description	A THESIS SUBMITTED TO THE SCHOOL OF GRADUATE STUDIES OF BAHIR DAR UNIVERSITY	en_US
dc.description.abstract	In this work theoretical investigation on the coexistence of superconductivity and spin density wave in PrOl-X Fx FeAs has been made. By developing the model Hamiltontan for the system and using the double time temperature-dependent Green's function formalism, we obtain expressions for superconducting transition temperature (T c ) and spin density wave temperature (T superconducting ordering (6. sdw ) as a function of spin density wave and sdw ,sc) parameters respectively. The SDW order parameter suppresses the superconducting transition tempera tures and it enhances the SDW ordering temperatures and vice versa. Evcnthough the two states suppresses one another, the phase diagram that we obtaind shows that, superconductivity and spin density wave coexist in a narrow region at low temprature in P,,.OlrFrFeAs. Thus, our finding is in agreement with the experimcntal obs('['vation. keywords: Superconductivity, SD\i\l, Coexistance, Critical temprature	en_US
dc.subject	PHYSICS	en_US
dc.title	STUDY OF COEXISTANCE OF SPIN DENSITY WAVE(SDW) AND SUPERCONDUCTIVITY IN Pr01-xFxFeAs	en_US
dc.type	Thesis	en_US