STUDY OF ELECTRONIC STRUCTURES OF SOLIDS WITH STRONGLY INTERACTING ELECTRONS

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" STUDY OF ELECTRONIC STRUCTURES OF SOLIDS WITH STRONGLY INTERACTING ELECTRONS "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	151610
Doc. No	:	ET23402
Main Entry	:	Yen-Sheng Su
Title Proper	:	STUDY OF ELECTRONIC STRUCTURES OF SOLIDS WITH STRONGLY INTERACTING ELECTRONS
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	This work contains studies of two classes of perovskite transition metal oxides.The first class is the layered perovskite cuprates and the related nickelate. The secondclass is the three dimensional perovskite manganites. Both model and ob initiocalculations are carried out for the two classes of systems. The dissertation is thereforedivided into the following four parts.The first part is about the 3-band Hubbard model. The model is commonly usedfor describing the electronic properties of the important CuOz layers in the crystals ofhigh-T, superconducting cuprates, such as doped LazCu04 and YBa2Cu,07. Thestraightfotward perturbation expansion on the model taking r p d ~ ~ (-0.36 for thecuprates) as the small parameter does not converge. In this work, I show that there existcanonical transformations on the model Hamiltonian such that the perturbation expansion.....-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL46641.pdf
Title and statement of responsibility and	:	STUDY OF ELECTRONIC STRUCTURES OF SOLIDS WITH STRONGLY INTERACTING ELECTRONS [Thesis]