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Dynamics of a Quantum Spin Liquid
Johannes Knolle
出版
Springer
, 2016-04-05
主題
Technology & Engineering / Superconductors & Superconductivity
Science / Physics / Magnetism
Science / Physics / Quantum Theory
Science / Physics / Electromagnetism
Science / Physics / Electricity
ISBN
3319239538
9783319239538
URL
http://books.google.com.hk/books?id=FcftCwAAQBAJ&hl=&source=gbs_api
EBook
SAMPLE
註釋
This thesis presents an exact theoretical study of dynamical correlation functions in different phases of a two-dimensional quantum spin liquid. By calculating the dynamical spin structure factor and the Raman scattering cross section, this thesis shows that there are salient signatures—qualitative and quantitative—of the Majorana fermions and the gauge fluxes emerging as effective degrees of freedom in the exactly solvable Kitaev honeycomb lattice model. The model is a representative of a class of spin liquids with Majorana fermions coupled to Z2 gauge fields. The qualitative features of the response functions should therefore be characteristic for this broad class of topological states.