期刊
PHYSICAL REVIEW LETTERS
卷 84, 期 21, 页码 4962-4965出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.4962
关键词
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Using an exact diagonalization method within the dynamical mean-field theory we found stable stripe phases in the two-dimensional Hubbard model doped by 0.03 < delta < 0.2 holes, with a crossover from diagonal to vertical site-centered stripes at doping delta similar or equal to 0.05. The doping dependence of the size of magnetic domains and chemical potential shift Delta mu infinity - delta(2) are in quantitative agreement with the experimental results for La2-xSrxCuO4. The one-dimensional metallic behavior along the domain walls explains the observed suppression of spectral weight along the Brillouin zone diagonal.
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