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Overview Lecture on Basics of Frustrated Magnets: Experimental-1
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Where to look for Magnetism
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Materials to Models: A case study of La2 CuO4
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Splitting of d-orbitals in an octahedral crystal field
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Materials to Models: A case study of La, CuO4
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The Mott Hubbard insulator
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Materials to Models: A case study of La, Cuo
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Effective Theory: Heisenberg Model
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Square lattice antiferromagnet
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Broken Symmetry, Order Parameter
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Excitations of the Antiferomagnet
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Confinement
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Conventional Magnets
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Geometrically Frustrated Magnets
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Geometric Magnetic Frustration
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Consequences of Frustration
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Excitations in spin liquids: Fractional Deconfined Particles
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Quantum Spin Liquids
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Valence Bond States
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Experimental Signatures for Spin Liquids
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Frustrated lattices: examples
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Shastry-Sutherland Lattice
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Triangular Lattice Organics
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K-ET : Heat Capacity + Thermal Conductivity
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dmit: Heat Capacity + Thermal Conductivity
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Kagome : Herbertsmithite + others
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Hyper-Kagome : Na4lr308
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Na4lr308 : Resistivity
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Nadir308 : Magnetic and Thermal Properties
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NaAll308 : Inhomogeneous Frozen state revealed by musk and NMR
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Kagome bi-layer QSL Ca1Cr,028
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Route to the Material Ca1Cr,928
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Route to the Material Ca10Cr7O28
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Gapless Spin Liquid State in Ca10Cr7O28
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Magnetic Interactions : Novel Frustration Mechanism
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Summary
Description:
Explore the fundamentals of frustrated magnets in this comprehensive 56-minute lecture by Yogesh Singh from the International Centre for Theoretical Sciences. Delve into the world of quantum magnetism, covering topics from basic concepts to advanced experimental findings. Learn about the interplay between quantum fluctuations and competing interactions in frustrated quantum magnets, and their potential for exploring unconventional phases of condensed matter. Discover the journey from materials to models, using La2CuO4 as a case study, and understand key concepts such as the Mott-Hubbard insulator and the Heisenberg model. Examine various frustrated lattices, including the Shastry-Sutherland lattice and Kagome structures, and their experimental signatures. Gain insights into quantum spin liquids, valence bond states, and novel frustration mechanisms. This lecture, part of the 2nd Asia Pacific Workshop on Quantum Magnetism, offers a rich blend of theoretical understanding and experimental observations in the field of frustrated magnets. Read more

Overview Lecture on Basics of Frustrated Magnets - Experimental by Yogesh Singh

International Centre for Theoretical Sciences
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