Realistic description of electron-energy-loss spectroscopy for one-dimensional Sr3CuO3

A. Hübsch; J. Richter; C. Waidacher; K. W. Becker; W. von der Linden

doi:10.1103/PhysRevB.63.205103

Realistic description of electron-energy-loss spectroscopy for one-dimensional Sr3CuO3

A. Hübsch, J. Richter, C. Waidacher, K. W. Becker, W. von der Linden

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Abstract

We investigate the electron-energy-loss spectrum of one-dimensional undoped CuO3 chains within an extended multiband Hubbard model and an extended one-band Hubbard model, using the standard Lanczos algorithm. Short-range intersite Coulomb interactions are explicitly included in these models, and long-range interactions are treated in the random-phase approximation. The results for the multiband model with standard parameter values agree very well with experimental spectra of Sr2CuO3. In particular, the width of the main structure is correctly reproduced for all values of momentum transfer. We find no evidence for enhanced intersite interactions in Sr2CuO3.

Original language	English
Pages (from-to)	205103
Number of pages	1
Journal	Physical Review / B
Volume	63
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.63.205103
Publication status	Published - 1 Apr 2001

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Hübsch, A., Richter, J., Waidacher, C., Becker, K. W., & Linden, W. V. D. (2001). Realistic description of electron-energy-loss spectroscopy for one-dimensional Sr3CuO3. Physical Review / B, 63(20), 205103. https://doi.org/10.1103/PhysRevB.63.205103

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abstract = "We investigate the electron-energy-loss spectrum of one-dimensional undoped CuO3 chains within an extended multiband Hubbard model and an extended one-band Hubbard model, using the standard Lanczos algorithm. Short-range intersite Coulomb interactions are explicitly included in these models, and long-range interactions are treated in the random-phase approximation. The results for the multiband model with standard parameter values agree very well with experimental spectra of Sr2CuO3. In particular, the width of the main structure is correctly reproduced for all values of momentum transfer. We find no evidence for enhanced intersite interactions in Sr2CuO3.",

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AU - Richter, J.

AU - Waidacher, C.

AU - Becker, K. W.

AU - Linden, W. von der

PY - 2001/4/1

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N2 - We investigate the electron-energy-loss spectrum of one-dimensional undoped CuO3 chains within an extended multiband Hubbard model and an extended one-band Hubbard model, using the standard Lanczos algorithm. Short-range intersite Coulomb interactions are explicitly included in these models, and long-range interactions are treated in the random-phase approximation. The results for the multiband model with standard parameter values agree very well with experimental spectra of Sr2CuO3. In particular, the width of the main structure is correctly reproduced for all values of momentum transfer. We find no evidence for enhanced intersite interactions in Sr2CuO3.

AB - We investigate the electron-energy-loss spectrum of one-dimensional undoped CuO3 chains within an extended multiband Hubbard model and an extended one-band Hubbard model, using the standard Lanczos algorithm. Short-range intersite Coulomb interactions are explicitly included in these models, and long-range interactions are treated in the random-phase approximation. The results for the multiband model with standard parameter values agree very well with experimental spectra of Sr2CuO3. In particular, the width of the main structure is correctly reproduced for all values of momentum transfer. We find no evidence for enhanced intersite interactions in Sr2CuO3.

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DO - 10.1103/PhysRevB.63.205103

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JO - Physical Review / B

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10.1103/PhysRevB.63.205103

http://link.aps.org/doi/10.1103/PhysRevB.63.205103