Wavelength-dependent optical enhancement of superconducting interlayer coupling inLa1.885Ba0.115CuO4
Open accessAbstract
Motivated by the appearance of optically induced superconductivity in the stripe-ordered La${}_{1.885}$Ba${}_{0.115}$CuO${}_{4}$ cuprate, this group uses time-resolved THz spectroscopy to map out the enhancement of interlayer superconducting coupling as a function of both temperature and time delay, for different pump wavelengths and fluences.
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When the measurements are represented as a function of fluence F = E0^2 τp / 2Z0, the slopes only differ by about 30%.
“But the pump pulse duration τ p used by Liu et al. [15] was a factor of two larger than that used by Kaiser et al. [14], so when the measurements are represented as a function of fluence F = E 2 0 τ p / 2 Z 0 they only differ by about 30%, as shown in Fig. S4(b).”
From Optical Saturation Produces Spurious Evidence for Photoinduced Superconductivity in K 3 C 60 (2023) · cites this paper as [15]
The Fig. 3 discussion reports a fluence-dependent response for different pump wavelengths, but it does not compare Liu et al. with Kaiser et al. Searches for the pulse-duration ratio, the stated fluence formula, and a 30% slope difference found no passage addressing that comparison in our copy. (LLM, conf=0.76)
Experimental — accuracy not yet measuredThe slope observed by Liu et al. [15] is about a factor of two larger than that observed by Kaiser et al. [14] on the same material and at the same temperature.
“The slope observed by Liu et al. [15] is about a factor of two larger than that observed by Kaiser et al. [14] on the same material and at the same temperature.”
From Optical Saturation Produces Spurious Evidence for Photoinduced Superconductivity in K 3 C 60 (2023) · cites this paper as [15]
The optical-response discussion (section labeled Abstract; page unavailable) compares pump wavelengths, not slopes reported by Liu et al. and Kaiser et al. The References mention Kaiser, but our copy provides no same-material, same-temperature slope comparison or factor-of-two result. Searches for those names and the slope comparison found no supporting passage. (LLM, conf=0.72)
Experimental — accuracy not yet measured
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Cited by
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Self-citation
- Authors
- Casandruc, E., Nicoletti, D., Rajasekaran, S., Laplace, Y., Khanna, V., Gu, G. D., Hill, J. P., & Cavalleri, A.
- Affiliations
- Center for Free-Electron Laser Science (DE)
- Brookhaven National Laboratory (US)
- University of Oxford (GB)
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2015-05-05
- Volume
- 91
- Issue
- 17
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1631684550
- Cited by
- 49
- References
- 26
- Citations by year
- 2025: 4 · 2024: 4 · 2023: 5 · 2022: 2 · 2021: 4 · 2020: 4 · 2019: 12 · 2018: 5 · 2017: 5 · 2016: 3 · 2015: 1
- FWCI
- 2.91
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Physical Review B (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- Desy Publications Database (Deutsches Elektronen-Synchrotron DESY) (submittedVersion, other-oa)
- MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
- arXiv (Cornell University)
- Funders
- Seventh Framework Programme (FP7/2007-2013)
- European Research Council (319286)
- U.S. Department of Energy (DE-SC00112704)
- Deutsche Forschungsgemeinschaft (DFG-SFB 925)
- Basic Energy Sciences
- Topics
- Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Physics of Superconductivity and Magnetism
- Physical Sciences › Materials Science › Materials Chemistry › Electronic and Structural Properties of Oxides
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Keywords
- cuprate superconductors, stripe order, pump wavelength dependence, pump fluence, time-resolved THz spectroscopy, temperature dependence
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