By Johannes Knolle
Nominated by means of the Max Planck Institute for the Physics of complicated structures, Dresden, as a good 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 topic and many-body physics
Technical advances coated intimately, permitting researchers to learn from the methodological growth underpinning the provided results
This thesis offers an actual theoretical research of dynamical correlation services in several stages of a two-dimensional quantum spin liquid. via calculating the dynamical spin constitution issue and the Raman scattering move part, this thesis indicates 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 beverages with Majorana fermions coupled to Z2 gauge fields. The qualitative positive aspects of the reaction capabilities should still for this reason be attribute for this huge classification of topological states.
Strongly Correlated structures, Superconductivity
Magnetism, Magnetic Materials
Quantum box Theories, String conception
Read Online or Download Dynamics of a Quantum Spin Liquid PDF
Best quantum physics books
The statistical mechanics of lattice gases by Barry Simon PDF
A cutting-edge survey of either classical and quantum lattice fuel types, this two-volume paintings will hide the rigorous mathematical reviews of such types because the Ising and Heisenberg, a space during which scientists have made huge, immense strides in the past twenty-five years. this primary quantity addresses, between many themes, the mathematical history on convexity and Choquet conception, and offers an exhaustive learn of the strain together with the Onsager answer of the two-dimensional Ising version, a examine of the overall conception of states in classical and quantum spin structures, and a examine of low and high temperature expansions.
Read e-book online Quantum Transport Theory PDF
Quantum delivery idea is a finished account of contemporary achievements within the knowing of disordered conductors. as well as detailing the density matrix description of nonequilibrium statistical mechanics, Professor Rammer offers with themes which are new to the sphere of condensed subject physics, reminiscent of: susceptible localization, destruction of digital section coherence in disordered conductors, electron-electron and electron-phonon interactions in soiled metals, scaling idea of localization, the self-consistent conception of localization, and mesoscopic physics.
Download e-book for iPad: The formation and logic of quantum mechanics by Mituo Taketani, Masayuki Nagasaki
This ebook analyzes the complicated logical procedure wherein the quantum idea used to be built, and indicates that the quantum mechanics hence proven is ruled by way of stereo-structural common sense. the tactic of study relies on Mituo Taketani's three-stage thought of medical cognition, which was once awarded and built in shut reference to Yukawa's concept of the meson.
Download e-book for kindle: Quantum Mechanics - A Second Course in Quantum Theory by Rubin H. Landau
Here's a readable and intuitive quantum mechanics textual content that covers scattering idea, relativistic quantum mechanics, and box thought. This multiplied and up-to-date moment variation - with 5 new chapters - emphasizes the concrete and calculable over the summary and natural, and is helping flip scholars into researchers with out diminishing their feel of ask yourself at physics and nature.
- Lectures on Quantum Mechanics
- Quantum Entanglements: Selected Papers
- Introductory quantum optics: solutions manual
- Introductory quantum optics: solutions manual
- Photons and atoms, introduction to QED
Extra info for Dynamics of a Quantum Spin Liquid
Laughlin, Anomalous quantum hall effect: an incompressible quantum fluid with fractionally charged excitations. Phys. Rev. Lett. A. Lee, N. -G. Wen, Doping a Mott insulator: physics of high-temperature superconductivity. Rev. Mod. Phys. 78(1), 17–85 (2006) X. Liu, T. -G. Yin, W. Ku, A. -J. Kim, H. Gretarsson, Y. Singh, P. P. Hill, Long-range magnetic ordering in Na2 IrO3 . Phys. Rev. B 83(22), 220403 (2011) S. Lovesey, Theory of Neutron Scattering from Condensed Matter. W. McElhinny, The Earth’s Magnetic Field : Its History, Origin, and Planetary Perspective.
1 The action of various spin operators on the flux free ground state is shown schematically. A spin operator ia flips the sign of the link variable uhijia (with j defined by the bond direction a) which changes the number of fluxes neighboring the bond hijia , see (i). A two spin operator is only nonzero if it conserves the number of fluxes.
First phenomenological calculations point to a strong influence of vizon excitations on the structure factor of a Z2 QSL in addition to spinon excitations (Punk et al. 2014). a K M K Γ K M K b M 2 M Γ* 1 M M Γ 0 −2 0 1 (H, H, 0) K Γ −1 M (H, 0, 0) equivalent (H ,H ,0 )e qu iva len t (–K, K, 0) 3 K 0 1 2 (H, H, 0) Fig. 8 The dynamic structure factor as measured by INS is shown for the kagome lattice antiferromagnet Herbertsmithite, which shows no sign of magnetic ordering down to T D 50 mK; figure adapted from Han et al.
Dynamics of a Quantum Spin Liquid by Johannes Knolle