期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.235701
关键词
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资金
- EU
- QUITEMAD [S2009-ESP-1594, FIS2009-10061]
- RyC [Y200200074]
- Bulgarian NSF [D002-90/08, DMU03/107]
- German Science Foundation [SFB-TRR49]
- [CAM-UCM/910758]
The Jahn-Teller effect explains distortions and nondegenerate energy levels in molecular and solid-state physics via a coupling of effective spins to collective bosons. Here we propose and theoretically analyze the quantum simulation of a many-body Jahn-Teller model with linear ion crystals subjected to magnetic field gradients. We show that the system undergoes a quantum magnetic structural phase transition which leads to a reordering of particle positions and the formation of a spin-phonon quasicondensate in mesoscopic ion chains.
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