ARPES spectra from cuprates in the bond-ordered, bond-centred stripe phase
The electronic structure and the single-particle spectral density of a stripe array formed by ladder-like domain walls (DWs) and by antiferromagnetic (AF) domains of width two lattice spacings are computed and compared with angle-resolved photoemission spectroscopy (ARPES) spectra from some doped cu...
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Veröffentlicht in: | Journal of physics. Condensed matter 2006-10, Vol.18 (42), p.9749-9770 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The electronic structure and the single-particle spectral density of a stripe array formed by ladder-like domain walls (DWs) and by antiferromagnetic (AF) domains of width two lattice spacings are computed and compared with angle-resolved photoemission spectroscopy (ARPES) spectra from some doped cuprates belonging to the 214 family of compounds. We assume that bond order is formed on legs in DWs and that the phase of the sublattice magnetization changes by it across each DW. The intensity map plotted in the frame of reference momentum-energy reproduces quite well the ARPES spectra of Nd-doped La(2-x)Sr(x)CuO4 (LSCO) systems obtained at the doping level of 15%. We consider this agreement as an argument for a scenario of coexisting bond-ordered regions and AF regions in the stripe phase of moderately doped cuprates. |
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ISSN: | 0953-8984 1361-648X |
DOI: | 10.1088/0953-8984/18/42/017 |