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Studies of strongly disordered quantum systems

Grant number: 09/17531-3
Support type:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): March 01, 2010
Effective date (End): February 29, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Eduardo Miranda
Grantee:Victor Luiz Quito
Home Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):12/17082-7 - Disordered Floquet topological insulators, BE.EP.DD


In this project we intend to study some strongly disordered quantum systems using the Strong Disorder Renormalization Group (SDRG) technique. The systems of interest can be divided in two classes. The first one consists of anisotropic spin systems with both ferro- and antiferromagnetic interactions. In the second class we will focus on generic strongly correlated electron systems within mean-field theory descriptions of various kinds. In both cases, we want to enlarge the range of systems analyzed with the SDRG. Our final goal is the determination of the phase diagrams and physical properties of these systems, in one and possibly more dimensions, and the nature of the transitions between the phases. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
QUITO, VICTOR L.; TITUM, PARAJ; PEKKER, DAVID; REFAEL, GIL. Localization transition in one dimension using Wegner flow equations. Physical Review B, v. 94, n. 10, . (09/17531-3, 12/17082-7)
QUITO, V. L.; HOYOS, JOSE A.; MIRANDA, E.. Random SU(2)-symmetric spin-S chains. Physical Review B, v. 94, n. 6, . (09/17531-3, 07/57630-5, 15/23849-7)
QUITO, V. L.; HOYOS, JOSE A.; MIRANDA, E.. Emergent SU(3) Symmetry in Random Spin-1 Chains. Physical Review Letters, v. 115, n. 16, . (09/17531-3)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
QUITO, Victor Luiz. Studies of strongly disordered quantum systems. 2016. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Instituto de Física Gleb Wataghin Campinas, SP.

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