Autor: Laurens Vanderstraeten
ISBN-13: 9783319641904
Veröffentl: 29.09.2017
Einband: Book
Seiten: 219
Gewicht: 522 g
Format: 241x161x20 mm
Sprache: Englisch

Tensor Network States and Effective Particles for Low-Dimensional Quantum Spin Systems

Springer Theses
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Introduction and Overview.- Quantum Many-Body Physics.- E ective Particles in Quantum Spin Chains: The Framework.- E ective Particles in Quantum Spin Chains: Applications.- Towards a Particle Theory in Two Dimensions.
This thesis develops new techniques for simulating the low-energy behaviour of quantum spin systems in one and two dimensions. Combining these developments, it subsequently uses the formalism of tensor network states to derive an effective particle description for one- and two-dimensional spin systems that exhibit strong quantum correlations. These techniques arise from the combination of two themes in many-particle physics: (i) the concept of quasiparticles as the effective low-energy degrees of freedom in a condensed-matter system, and (ii) entanglement as the characteristic feature for describing quantum phases of matter. Whereas the former gave rise to the use of effective field theories for understanding many-particle systems, the latter led to the development of tensor network states as a description of the entanglement distribution in quantum low-energy states.

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Autor: Laurens Vanderstraeten
ISBN-13:: 9783319641904
ISBN: 3319641905
Erscheinungsjahr: 29.09.2017
Verlag: Springer-Verlag GmbH
Gewicht: 522g
Seiten: 219
Sprache: Englisch
Sonstiges: Buch, 241x161x20 mm, Bibliographie