Competing many-body interactions in systems of trapped ions

被引：47

作者：

Bermudez, A. ^{[1
]}

Porras, D. ^{[1
,2
]}

Martin-Delgado, M. A. ^{[1
]}

机构：

[1] Univ Complutense, Dept Fis Teor 1, E-28040 Madrid, Spain

[2] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

来源：

PHYSICAL REVIEW A | 2009年 / 79卷 / 06期

关键词：

phase diagrams; quantum optics; spin Hamiltonians; trapped ions;

D O I：

10.1103/PhysRevA.79.060303

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and theoretically analyze an experimental configuration in which lasers induce three-spin interactions between trapped ions. By properly choosing the intensities and frequencies of the lasers, three-spin couplings may be dominant or comparable to two-spin terms and magnetic fields. In this way, trapped ions can be used to study exotic quantum phases which do not have a counterpart in nature. We study the conditions for the validity of the effective three-spin Hamiltonian and predict qualitatively the quantum phase diagram of the system.

引用

页数：4

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