Statics and Dynamics of Weakly Coupled Antiferromagnetic Spin-1/2 Ladders in a Magnetic Field
Produktnummer:
18ca1c12e3c276471b84b8fa62931196e0
| Autor: | Bouillot, Pierre |
|---|---|
| Themengebiete: | BPCB Density Matrix Renormalization Group Dynamical Correlation Function Low Dimensional Quantum Magnets Luttinger Liquids One-dimensional Quantum Magnets Quantum Simulators TLL Universality Class Time-dependent Density Matrix Renormalization Group Tomonaga-Luttinger Liquid |
| Veröffentlichungsdatum: | 29.01.2015 |
| EAN: | 9783642446139 |
| Sprache: | Englisch |
| Seitenzahl: | 98 |
| Produktart: | Kartoniert / Broschiert |
| Verlag: | Springer Berlin |
Produktinformationen "Statics and Dynamics of Weakly Coupled Antiferromagnetic Spin-1/2 Ladders in a Magnetic Field"
This thesis shows how a combination of analytic and numerical techniques, such as a time dependent and finite temperature Density Matrix Renormalization Group (DMRG) technique, can be used to obtain the physical properties of low dimensional quantum magnets with an unprecedented level of accuracy. A comparison between the theory and experiment then enables these systems to be used as quantum simulators; for example, to test various generic properties of low dimensional systems such as Luttinger liquid physics, the paradigm of one dimensional interacting quantum systems. Application of these techniques to a material made of weakly coupled ladders (BPCB) allowed the first quantitative test of Luttinger liquids. In addition, other physical quantities (magnetization, specific heat etc.), and more remarkably the spins-spin correlations – directly measurable in neutron scattering experiments – were in excellent agreement with the observed quantities. We thus now have tools to quantitatiivelyassess the dynamics for this class of quantum systems.
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