1.几何阻挫(geometricfrustration)?Fig.1Antiferromagneticallycoupledspinsaregeometricallyfrustratedinspacelattice(theright)•源于1950年,非传统磁体的探索。(P.W.Anderson)•T=0K反铁磁自旋因几何阻挫而不能形成长程反铁磁序 •Somecommonfrustratedlattice.二维 TriangularLattice KagomeLattice HoneycombLattice 三...
例2:ZnCr2O4 AFM → Quasispin Glass 问题1:几何阻挫磁体是否存在亚铁磁体? First experimental realization of spin Ladder with FM Legs 问题2:几何阻挫自旋玻璃与传统自旋玻璃区别? “Topological Spin Glass State “ YMo2O7 :Phys Rev Lett 1997,78,947 Aging and memory properties of topologically ...
1.几何阻挫(geometricfrustration)?Fig.1Antiferromagneticallycoupledspinsaregeometricallyfrustratedinspacelattice(theright)•源于1950年,非传统磁体的探索。(P.W.Anderson)•T=0K反铁磁自旋因几何阻挫而不能形成长程反铁磁序 •Somecommonfrustratedlattice.二维 TriangularLattice KagomeLattice HoneycombLattice 三...