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Disorder in frustrated antiferromagnets

Grant number: 17/22562-1
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): April 01, 2018
Effective date (End): January 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Eric de Castro e Andrade
Grantee:Nathan Pratta Teodosio
Home Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated research grant:13/00681-8 - Disordered magnets: ground state, excitations, and thermodynamics, AP.JP

Abstract

The effects of frustration in magnetic systems with continuous symmetry lead to a large variety of physical phenomena, ranging from non-collinear magnetic order to the absence of long-range order. In this project, we will study how the competition between magnetic exchange couplings generates a phase transition at finite temperatures in two-dimensions. We are also interested in the fate of this unusual transition in the presence of disorder. (AU)

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