By Johannes Knolle
Nominated by way of the Max Planck Institute for the Physics of advanced platforms, Dresden, as an excellent Thesis
Presents for the 1st time a precise calculation for experimental signatures of fractionalized quasiparticles for a two-dimensional strongly-correlated topological magnetic phase
Relevant to theorists and experimentalists alike with connections to different fields in condensed subject and many-body physics
Technical advances lined intimately, allowing researchers to learn from the methodological development underpinning the offered results
This thesis provides an actual theoretical research of dynamical correlation features in numerous stages of a two-dimensional quantum spin liquid. via calculating the dynamical spin constitution issue and the Raman scattering pass part, this thesis exhibits that there are salient signatures—qualitative and quantitative—of the Majorana fermions and the gauge fluxes rising as potent levels of freedom within the precisely solvable Kitaev honeycomb lattice version. The version is a consultant of a category of spin drinks with Majorana fermions coupled to Z2 gauge fields. The qualitative good points of the reaction capabilities may still hence be attribute for this vast type of topological states.
Topics
Strongly Correlated structures, Superconductivity
Magnetism, Magnetic Materials
Quantum box Theories, String thought
Read Online or Download Dynamics of a Quantum Spin Liquid PDF
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Additional resources for Dynamics of a Quantum Spin Liquid
Sample text
108(12), 127203 (2012) A. Willans, J. Chalker, R. Moessner, Disorder in a quantum spin liquid: flux binding and local moment formation. Phys. Rev. Lett. 104(23), 237203 (2010) A. Willans, J. Chalker, R. Moessner, Site dilution in the Kitaev honeycomb model. Phys. Rev. B: Condens. Matter Mater. Phys. 84(11), 115146 (2011) H. -L. Qi, Entanglement entropy and entanglement spectrum of the Kitaev model. Phys. Rev. Lett. 105(8), 080501 (2010) H. -C. A. Kivelson, Algebraic spin liquid in an exactly solvable spin model.
In Fig. 6 two INS cross sections are shown for two parent high temperature superconductors. A key signature of long range order is the appearance of sharp dispersive modes with largest intensity at the AFM wave vector. 5 Fig. 6 The results of INS experiments are shown together with theoretical calculations for two different high Tc superconducting parent compounds with long range magnetic order. N. Néel state, a closed spin wave branch can be measured in the entire BZ (plotted along a path), adapted from Coldea et al.
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