Spin-Peierls Quantum Phase Transitions in Coulomb Crystals

Details Spin-Peierls Quantum Phase Transitions in Coulomb Crystals Spin-Peierls Quantum Phase Transitions in Coulomb Crystals

2012-01-31

arxiv.org/abs/1201.6671v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

The spin-Peierls instability describes a structural transition of a crystal due to strong magnetic interactions. Here we demonstrate that cold Coulomb crystals of trapped ions provide an experimental testbed in which to study this complex many-body problem and to access extreme regimes where the instability is triggered by quantum fluctuations alone. We present a consistent analysis based on different analytical and numerical methods, and provide a detailed discussion of its feasibility on the basis of ion-trap experiments. Moreover, we identify regimes where this quantum simulation may exceed the power of classical computers.

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