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|Title:||Computation of Stripes in Cuprates within the LDA + U Method|
|Authors:||Anisimov, V. I.|
Korotin, M. A.
Mylnikova, A. S.
Kozhevnikov, A. V.
Korotin, Dm. M.
|Publisher:||American Physical Society (APS)|
|Citation:||Computation of Stripes in Cuprates within the LDA + U Method / V. I. Anisimov, M. A. Korotin, A. S. Mylnikova et al. // Physical Review B - Condensed Matter and Materials Physics. — 2004. — Vol. 70. — Iss. 17. — P. 1-4. — 172501.|
|Abstract:||We present a computation of vertical stripes in La15/8Sr 1/8CuO4 within the LDA+U method. We find that Cu centered stripes are unstable toward O centered stripes. The metallic core of the stripe is quite wide and shows reduced magnetic moments with suppressed antiferromagnetic (AF) interactions. The system can be pictured as alternating metallic and AF two-leg ladders the latter with strong AF interaction and a large spin gap. The Fermi surface shows warping due to interstripe hybridization. The periodicity and amplitude of the warping is in good agreement with angle resolved photoemission experiment. We discuss the connection with low-energy theories of the cuprates.|
|metadata.dc.description.sponsorship:||The authors thank O. K. Andersen, C. Castellani, C. Di Castro, G. Seibold, and M. Grilli for helpful discussions and Z.-X. Shen and X. J. Zhou for providing us with the experimental data shown in Fig. 4. This work has been supported by the Russian Foundation for Basic Research Grants Nos. 04-02-16096, 03-02-39024, Joint Integration Program of Siberian and Ural Branches of Russian Academy of Sciences 22.|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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