Orbital symmetries of charge density wave order in YBa2Cu3O6+x
Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC)..
Charge density wave (CDW) order has been shown to compete and coexist with superconductivity in underdoped cuprates. Theoretical proposals for the CDW order include an unconventional d-symmetry form factor CDW, evidence for which has emerged from measurements, including resonant soft x-ray scattering (RSXS) in YBa2Cu3O6+x (YBCO). Here, we revisit RSXS measurements of the CDW symmetry in YBCO, using a variation in the measurement geometry to provide enhanced sensitivity to orbital symmetry. We show that the (0 0.31 L) CDW peak measured at the Cu L edge is dominated by an s form factor rather than a d form factor as was reported previously. In addition, by measuring both (0.31 0 L) and (0 0.31 L) peaks, we identify a pronounced difference in the orbital symmetry of the CDW order along the a and b axes, with the CDW along the a axis exhibiting orbital order in addition to charge order.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
Science advances - 6(2020), 45 vom: 06. Nov. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
McMahon, Christopher [VerfasserIn] |
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Date Revised 25.11.2020 published: Electronic-Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1126/sciadv.aay0345 |
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| 245 | 1 | 0 | |a Orbital symmetries of charge density wave order in YBa2Cu3O6+x |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). | ||
| 520 | |a Charge density wave (CDW) order has been shown to compete and coexist with superconductivity in underdoped cuprates. Theoretical proposals for the CDW order include an unconventional d-symmetry form factor CDW, evidence for which has emerged from measurements, including resonant soft x-ray scattering (RSXS) in YBa2Cu3O6+x (YBCO). Here, we revisit RSXS measurements of the CDW symmetry in YBCO, using a variation in the measurement geometry to provide enhanced sensitivity to orbital symmetry. We show that the (0 0.31 L) CDW peak measured at the Cu L edge is dominated by an s form factor rather than a d form factor as was reported previously. In addition, by measuring both (0.31 0 L) and (0 0.31 L) peaks, we identify a pronounced difference in the orbital symmetry of the CDW order along the a and b axes, with the CDW along the a axis exhibiting orbital order in addition to charge order | ||
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| 700 | 1 | |a Achkar, A J |e verfasserin |4 aut | |
| 700 | 1 | |a da Silva Neto, E H |e verfasserin |4 aut | |
| 700 | 1 | |a Djianto, I |e verfasserin |4 aut | |
| 700 | 1 | |a Menard, J |e verfasserin |4 aut | |
| 700 | 1 | |a He, F |e verfasserin |4 aut | |
| 700 | 1 | |a Sutarto, R |e verfasserin |4 aut | |
| 700 | 1 | |a Comin, R |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Ruixing |e verfasserin |4 aut | |
| 700 | 1 | |a Bonn, D A |e verfasserin |4 aut | |
| 700 | 1 | |a Hardy, W N |e verfasserin |4 aut | |
| 700 | 1 | |a Damascelli, A |e verfasserin |4 aut | |
| 700 | 1 | |a Hawthorn, D G |e verfasserin |4 aut | |
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