期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.167201
关键词
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资金
- MEC-Spain [FIS2010-21883-C02-01, FIS2009-08744, CONSOLIDER CSD2007-0010]
- European Union
- Generalitat Valenciana [Prometeo 2012-11]
- NNSA of the U.S. DOE at LANL [DE-AC52-06NA25396]
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering
- NSF [PHY-1066293]
Spin chains are among the simplest physical systems in which electron-electron interactions induce novel states of matter. Here we propose to combine atomic scale engineering and spectroscopic capabilities of state of the art scanning tunnel microscopy to probe the fractionalized edge states of individual atomic scale S = 1 spin chains. These edge states arise from the topological order of the ground state in the Haldane phase. We also show that the Haldane gap and the spin-spin correlation length can be measured with the same technique.
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