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A Short Introduction to Fibonacci Anyon Models

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Trebst, Simon, Troyer, Matthias, Wang, Zhenghan, Ludwig, Andreas W. W.·2008·Progress of Theoretical Physics Supplement

Abstract

We discuss how to construct models of interacting anyons by generalizing quantum spin Hamiltonians to anyonic degrees of freedom. The simplest interactions energetically favor pairs of anyons to fuse into the trivial (“identity") channel, similar to the quantum Heisenberg model favoring pairs of spins to form spin singlets. We present an introduction to the theory of anyons and discuss in detail how basis sets and matrix representations of the interaction terms can be obtained, using non-Abelian Fibonacci anyons as example. Besides discussing the “golden chain”, a one-dimensional system of anyons with nearest neighbor interactions, we also present the derivation of more complicated interaction terms, such as three-anyon interactions in the spirit of the Majumdar-Ghosh spin chain, longer range interactions and two-leg ladders. We also discuss generalizations to anyons with general non-Abelian SU(2)k statistics. The k→∞ limit of the latter yields ordinary SU(2) spin chains.

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Metadata

Authors
Trebst, S., Troyer, M., Wang, Z., & Ludwig, A. W. W.
Venue
Progress of Theoretical Physics Supplement
Published
2008
Volume
176
Pages
384-407
ISSN
0375-9687 (ISSN-L)
OpenAlex
W2037812500
Cited by
162
References
0
FWCI
3.87
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: A Short Introduction to Fibonacci Anyon Models. https://app.cochat.ai/papers/10.1143/ptps.176.384
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Trebst, S., Troyer, M., Wang, Z., & Ludwig, A. W. W. (2008). A Short Introduction to Fibonacci Anyon Models. Progress of Theoretical Physics Supplement. https://doi.org/10.1143/ptps.176.384

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