Crystallization in Ising quantum magnets

被引：258

作者：

Schauss, P. ^{[1
]}

Zeiher, J. ^{[1
]}

Fukuhara, T. ^{[1
]}

Hild, S. ^{[1
]}

Cheneau, M. ^{[2
]}

Macri, T. ^{[3
]}

Pohl, T. ^{[3
]}

Bloch, I. ^{[1
,4
]}

Gross, C. ^{[1
]}

机构：

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

[2] Univ Paris Sud, CNRS, Grad Sch, Lab Charles Fabry,Inst Opt, F-91127 Palaiseau, France

[3] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany

[4] Univ Munich, Fak Phys, D-80799 Munich, Germany

来源：

SCIENCE | 2015年 / 347卷 / 6229期

关键词：

RYDBERG; PROPAGATION;

D O I：

10.1126/science.1258351

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Dominating finite-range interactions in many-body systems can lead to intriguing self-ordered phases of matter. For quantum magnets, Ising models with power-law interactions are among the most elementary systems that support such phases. These models can be implemented by laser coupling ensembles of ultracold atoms to Rydberg states. Here, we report on the experimental preparation of crystalline ground states of such spin systems. We observe a magnetization staircase as a function of the system size and show directly the emergence of crystalline states with vanishing susceptibility. Our results demonstrate the precise control of Rydberg many-body systems and may enable future studies of phase transitions and quantum correlations in interacting quantum magnets.

引用

页码：1455 / 1458

页数：4

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