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Sharp phase transitions in a small frustrated network of trapped ion spins.

Authors
  • Lin, G-D
  • Monroe, C
  • Duan, L-M
Type
Published Article
Journal
Physical Review Letters
Publisher
American Physical Society
Publication Date
Jun 10, 2011
Volume
106
Issue
23
Pages
230402–230402
Identifiers
PMID: 21770485
Source
Medline
License
Unknown

Abstract

Sharp quantum phase transitions typically require a large system with many particles. Here we show that, for a frustrated fully connected Ising spin network represented by trapped atomic ions, the competition between different spin orders leads to rich phase transitions whose sharpness scales exponentially with the number of spins. This unusual finite-size scaling behavior opens up the possibility of observing sharp quantum phase transitions in a system of just a few trapped ion spins.

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