Studies on the (non-) existence of "stripes" in high T c superconductors

M. Ito; Y. Yasui; S. Iikubo; M. Soda; A. Kobayashi; M. Sato; K. Kakurai; C. H. Lee; K. Yamada

doi:10.1016/j.jmmm.2003.12.638

Studies on the (non-) existence of "stripes" in high T _c superconductors

M. Ito, Y. Yasui, S. Iikubo, M. Soda, A. Kobayashi, M. Sato, K. Kakurai, C. H. Lee, K. Yamada

Research output: Contribution to journal › Article › peer-review

Abstract

Magnetic excitation spectra X"(q, ω) of YBa₂Cu ₃Oy, La₂-_xSr_xCuO₄ and La_2-y-xNd_ySr_xCuO₄ are compared with those of model calculations. It is important to consider the experimentally observed quasi-particle broadening (Γ) to reproduce the observed spectra of YBa₂Cu₃O_y, while to reproduce the data of other two systems, very small Γ values, much smaller than those reported in the transport studies have to be used, even in the phases without the static "stripe" order. This may be caused by the existence of the "stripe" correlations or "stripe" fluctuations.

Original language	English
Pages (from-to)	e1051-e1053
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1016/j.jmmm.2003.12.638
Publication status	Published - May 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2003.12.638

Cite this

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title = "Studies on the (non-) existence of {"}stripes{"} in high T c superconductors",

abstract = "Magnetic excitation spectra X{"}(q, ω) of YBa2Cu 3Oy, La2-xSrxCuO4 and La2-y-xNdySrxCuO4 are compared with those of model calculations. It is important to consider the experimentally observed quasi-particle broadening (Γ) to reproduce the observed spectra of YBa2Cu3Oy, while to reproduce the data of other two systems, very small Γ values, much smaller than those reported in the transport studies have to be used, even in the phases without the static {"}stripe{"} order. This may be caused by the existence of the {"}stripe{"} correlations or {"}stripe{"} fluctuations.",

author = "M. Ito and Y. Yasui and S. Iikubo and M. Soda and A. Kobayashi and M. Sato and K. Kakurai and Lee, {C. H.} and K. Yamada",

year = "2004",

month = may,

doi = "10.1016/j.jmmm.2003.12.638",

language = "English",

volume = "272-276",

pages = "e1051--e1053",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

publisher = "Elsevier",

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TY - JOUR

T1 - Studies on the (non-) existence of "stripes" in high T c superconductors

AU - Ito, M.

AU - Yasui, Y.

AU - Iikubo, S.

AU - Soda, M.

AU - Kobayashi, A.

AU - Sato, M.

AU - Kakurai, K.

AU - Lee, C. H.

AU - Yamada, K.

PY - 2004/5

Y1 - 2004/5

N2 - Magnetic excitation spectra X"(q, ω) of YBa2Cu 3Oy, La2-xSrxCuO4 and La2-y-xNdySrxCuO4 are compared with those of model calculations. It is important to consider the experimentally observed quasi-particle broadening (Γ) to reproduce the observed spectra of YBa2Cu3Oy, while to reproduce the data of other two systems, very small Γ values, much smaller than those reported in the transport studies have to be used, even in the phases without the static "stripe" order. This may be caused by the existence of the "stripe" correlations or "stripe" fluctuations.

AB - Magnetic excitation spectra X"(q, ω) of YBa2Cu 3Oy, La2-xSrxCuO4 and La2-y-xNdySrxCuO4 are compared with those of model calculations. It is important to consider the experimentally observed quasi-particle broadening (Γ) to reproduce the observed spectra of YBa2Cu3Oy, while to reproduce the data of other two systems, very small Γ values, much smaller than those reported in the transport studies have to be used, even in the phases without the static "stripe" order. This may be caused by the existence of the "stripe" correlations or "stripe" fluctuations.

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JF - Journal of Magnetism and Magnetic Materials

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ER -

Studies on the (non-) existence of "stripes" in high T _c superconductors

Abstract

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