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Title: Doping dependence of the magnetic excitations in La 2 - x Sr x CuO 4

Abstract

The magnetic correlations within the cuprates have undergone intense scrutiny as part of efforts to understand high-temperature superconductivity. We explore the evolution of the magnetic correlations along the nodal direction of the Brillouin zone in La2–xSrxCuO4, spanning the doping phase diagram from the antiferromagnetic Mott insulator at x = 0 to the metallic phase at x = 0.26. Magnetic excitations along this direction are found to be systematically softened and broadened with doping, at a higher rate than the excitations along the antinodal direction. This phenomenology is discussed in terms of the nature of the magnetism in the doped cuprates. As a result, survival of the high-energy magnetic excitations, even in the overdoped regime, indicates that these excitations are marginal to pairing, while the influence of the low-energy excitations remains ambiguous.

Authors:
 [1];  [1];  [2];  [1];  [3];  [4];  [5];  [5];  [6];  [6];  [7];  [1];  [8];  [8];  [5];  [1]
+ Show Author Affiliations
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Diamond Light Source, Ltd., Oxfordshire (United Kingdom)
  3. Univ. of Bristol, Bristol (United Kingdom)
  4. Univ. Pierre et Marie Curie - Case 115, Paris Cedex 05 (France)
  5. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
  6. National Synchrotron Radiation Research Center, Hsinchu (Taiwan)
  7. National Synchrotron Radiation Research Center, Hsinchu (Taiwan); National Tsing Hua Univ., Hsinchu (Taiwan)
  8. Brookhaven National Lab. (BNL), Upton, NY (United States); Yale Univ., New Haven, CT (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1345728
Alternate Identifier(s):
OSTI ID: 1344594
Report Number(s):
BNL-113511-2017-JA
Journal ID: ISSN 2469-9950; PRBMDO; R&D Project: PO011; MA509MACA; KC0201060; KC0203020; TRN: US1700848
Grant/Contract Number:  
SC00112704; 1047478
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 7; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Meyers, D., Miao, H., Walters, A. C., Bisogni, V., Springell, R. S., d'Astuto, M., Dantz, M., Pelliciari, J., Huang, H. Y., Okamoto, J., Huang, D. J., Hill, J. P., He, X., Bozovic, I., Schmitt, T., and Dean, M. P. M. Doping dependence of the magnetic excitations in La2-xSrxCuO4. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.075139.
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Meyers, D., Miao, H., Walters, A. C., Bisogni, V., Springell, R. S., d'Astuto, M., Dantz, M., Pelliciari, J., Huang, H. Y., Okamoto, J., Huang, D. J., Hill, J. P., He, X., Bozovic, I., Schmitt, T., & Dean, M. P. M. Doping dependence of the magnetic excitations in La2-xSrxCuO4. United States. https://doi.org/10.1103/PhysRevB.95.075139
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Meyers, D., Miao, H., Walters, A. C., Bisogni, V., Springell, R. S., d'Astuto, M., Dantz, M., Pelliciari, J., Huang, H. Y., Okamoto, J., Huang, D. J., Hill, J. P., He, X., Bozovic, I., Schmitt, T., and Dean, M. P. M. Wed . "Doping dependence of the magnetic excitations in La2-xSrxCuO4". United States. https://doi.org/10.1103/PhysRevB.95.075139. https://www.osti.gov/servlets/purl/1345728.
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@article{osti_1345728,
title = {Doping dependence of the magnetic excitations in La2-xSrxCuO4},
author = {Meyers, D. and Miao, H. and Walters, A. C. and Bisogni, V. and Springell, R. S. and d'Astuto, M. and Dantz, M. and Pelliciari, J. and Huang, H. Y. and Okamoto, J. and Huang, D. J. and Hill, J. P. and He, X. and Bozovic, I. and Schmitt, T. and Dean, M. P. M.},
abstractNote = {The magnetic correlations within the cuprates have undergone intense scrutiny as part of efforts to understand high-temperature superconductivity. We explore the evolution of the magnetic correlations along the nodal direction of the Brillouin zone in La2–xSrxCuO4, spanning the doping phase diagram from the antiferromagnetic Mott insulator at x = 0 to the metallic phase at x = 0.26. Magnetic excitations along this direction are found to be systematically softened and broadened with doping, at a higher rate than the excitations along the antinodal direction. This phenomenology is discussed in terms of the nature of the magnetism in the doped cuprates. As a result, survival of the high-energy magnetic excitations, even in the overdoped regime, indicates that these excitations are marginal to pairing, while the influence of the low-energy excitations remains ambiguous.},
doi = {10.1103/PhysRevB.95.075139},
journal = {Physical Review B},
number = 7,
volume = 95,
place = {United States},
year = {Wed Feb 15 00:00:00 EST 2017},
month = {Wed Feb 15 00:00:00 EST 2017}
}
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https://doi.org/10.1103/PhysRevB.95.075139
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    Damped spin excitations in a doped cuprate superconductor with orbital hybridization
    text, January 2017

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