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Publication: Interacting bosons in one dimension and Luttinger liquid theory

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Title Interacting bosons in one dimension and Luttinger liquid theory
Authors/Editors* A. Del Maestro, I. Affleck
Where published* Physical Review B
How published* Journal
Year* 2010
Volume 82
Number 6
Pages 060515(R) (4 pages)
Publisher American Institute of Physics
Keywords one dimensional bosons, Luttinger liquid
Link http://prb.aps.org/abstract/PRB/v82/i6/e060515
Abstract
Harmonically trapped ultracold atoms and 4He in nanopores provide different experimental realizations of bosons in one dimension, motivating the search for a more complete theoretical understanding of their low-energy properties. Worm algorithm path-integral quantum Monte Carlo results for interacting bosons restricted to the one dimensional continuum are compared to the finite temperature and system size predictions of Luttinger-liquid theory. For large system sizes at low temperature, excellent agreement is obtained after including the leading irrelevant interactions in the Hamiltonian which are determined explicitly.
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