Wednesday, February 1, 2012

1201.6671 (A. Bermudez et al.)

Spin-Peierls Quantum Phase Transitions in Coulomb Crystals    [PDF]

A. Bermudez, M. B. Plenio
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.
View original:

No comments:

Post a Comment