Geometrically frustrated magnets - Department of Theoretical Physics

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Dice Lattice Dimer Model Can be cast as an interacting dimer model on the Dice lattice. Arnab Sen, TIFR Geometrically frustrated magnets
No minority rule H D = 2J 2 ∑P n2 |nP〉〈nP| Minimizing J 2 for minimally frustrated states → No spin is a minority spin of both the triangles to which it belongs. Entropy still macroscopic. = or 0 T 1 T 0 = or 1 2 Arnab Sen, TIFR Geometrically frustrated magnets
Page 1 and 2: Geometrically frustrated magnets Ar
Page 3 and 4: Superexchange interaction Consider
Page 5 and 6: Frustration Not all the interaction
Page 7 and 8: Schematic of magnetic susceptibilit
Page 9 and 10: Interesting questions Spin liquids
Page 11 and 12: Macroscopic degeneracy II Zero mode
Page 13 and 14: Quantum fluctuations Quantum fluctu
Page 15 and 16: Single-ion anisotropy Motion of the
Page 17: Zero field To O(J 3 /D 2 ), H eff i
Page 21 and 22: Triangular Lattice Arnab Sen, TIFR
Page 23 and 24: Orientationally ordered state 0 −
Page 25 and 26: Consequences (I) 0 q x π 2 π 2 π
Page 27 and 28: Kagome in magnetic field Include ma
Page 29 and 30: Sublattice symmetry broken a) c) 0
Page 31 and 32: Summary S > 3/2 kagome and triangul

Geometrically frustrated magnets - Department of Theoretical Physics

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