Doping dependence of the ultrafast electronic dynamics of Y1-x Prx Ba2 Cu3 O7-δ thin-film superconductors from femtosecond optical spectroscopy

Chih-Wei Luo; H. P. Lo; C. H. Su; I. H. Wu; Y. J. Chen; Kaung-Hsiung Wu; Jiunn-Yuan Lin; T. M. Uen; Jenh-Yih Juang; T. Kobayashi

doi:10.1103/PhysRevB.82.104512

Doping dependence of the ultrafast electronic dynamics of Y_1-x Pr_x Ba₂ Cu₃ O₇-δ thin-film superconductors from femtosecond optical spectroscopy

Chih-Wei Luo, H. P. Lo, C. H. Su, I. H. Wu, Y. J. Chen, Kaung-Hsiung Wu, Jiunn-Yuan Lin, T. M. Uen, Jenh-Yih Juang, T. Kobayashi

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6 Scopus citations

Abstract

Time-domain spectroscopy, which probes the dynamics of the electronic states near Fermi surface that are associated with superconductivity, has proven to be a powerful method for providing insights into the fundamental nature of both pseudogap and superconducting gap. This study shows that the unique T-x phase diagram with the time-evolving ultrafast dynamics of Y_1-x Pr_x Ba₂ Cu₃ O₇-δ can be used to identify clearly the Nernst, pseudogap, and superconducting regions. All of the orders appear together at a specific delay time, such as 1.2-3 ps, after pumping by an ultrashort pulse. These discoveries suggest that the Nernst effect, the pseudogap and even superconductivity may have the same physical origin.

Original language	English
Article number	104512
Pages (from-to)	1-5
Number of pages	5
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	82
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.82.104512
State	Published - 17 Sep 2010

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Luo, C-W., Lo, H. P., Su, C. H., Wu, I. H., Chen, Y. J., Wu, K-H., Lin, J-Y., Uen, T. M., Juang, J-Y., & Kobayashi, T. (2010). Doping dependence of the ultrafast electronic dynamics of Y_1-x Pr_x Ba₂ Cu₃ O₇-δ thin-film superconductors from femtosecond optical spectroscopy. Physical Review B - Condensed Matter and Materials Physics, 82(10), 1-5. [104512]. https://doi.org/10.1103/PhysRevB.82.104512

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title = "Doping dependence of the ultrafast electronic dynamics of Y1-x Prx Ba2 Cu3 O7-δ thin-film superconductors from femtosecond optical spectroscopy",

abstract = "Time-domain spectroscopy, which probes the dynamics of the electronic states near Fermi surface that are associated with superconductivity, has proven to be a powerful method for providing insights into the fundamental nature of both pseudogap and superconducting gap. This study shows that the unique T-x phase diagram with the time-evolving ultrafast dynamics of Y1-x Prx Ba2 Cu3 O7-δ can be used to identify clearly the Nernst, pseudogap, and superconducting regions. All of the orders appear together at a specific delay time, such as 1.2-3 ps, after pumping by an ultrashort pulse. These discoveries suggest that the Nernst effect, the pseudogap and even superconductivity may have the same physical origin.",

author = "Chih-Wei Luo and Lo, {H. P.} and Su, {C. H.} and Wu, {I. H.} and Chen, {Y. J.} and Kaung-Hsiung Wu and Jiunn-Yuan Lin and Uen, {T. M.} and Jenh-Yih Juang and T. Kobayashi",

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doi = "10.1103/PhysRevB.82.104512",

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Luo, C-W, Lo, HP, Su, CH, Wu, IH, Chen, YJ, Wu, K-H, Lin, J-Y, Uen, TM, Juang, J-Y & Kobayashi, T 2010, 'Doping dependence of the ultrafast electronic dynamics of Y_1-x Pr_x Ba₂ Cu₃ O₇-δ thin-film superconductors from femtosecond optical spectroscopy', Physical Review B - Condensed Matter and Materials Physics, vol. 82, no. 10, 104512, pp. 1-5. https://doi.org/10.1103/PhysRevB.82.104512

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T1 - Doping dependence of the ultrafast electronic dynamics of Y1-x Prx Ba2 Cu3 O7-δ thin-film superconductors from femtosecond optical spectroscopy

AU - Luo, Chih-Wei

AU - Lo, H. P.

AU - Su, C. H.

AU - Wu, I. H.

AU - Chen, Y. J.

AU - Wu, Kaung-Hsiung

AU - Lin, Jiunn-Yuan

AU - Uen, T. M.

AU - Juang, Jenh-Yih

AU - Kobayashi, T.

PY - 2010/9/17

Y1 - 2010/9/17

N2 - Time-domain spectroscopy, which probes the dynamics of the electronic states near Fermi surface that are associated with superconductivity, has proven to be a powerful method for providing insights into the fundamental nature of both pseudogap and superconducting gap. This study shows that the unique T-x phase diagram with the time-evolving ultrafast dynamics of Y1-x Prx Ba2 Cu3 O7-δ can be used to identify clearly the Nernst, pseudogap, and superconducting regions. All of the orders appear together at a specific delay time, such as 1.2-3 ps, after pumping by an ultrashort pulse. These discoveries suggest that the Nernst effect, the pseudogap and even superconductivity may have the same physical origin.

AB - Time-domain spectroscopy, which probes the dynamics of the electronic states near Fermi surface that are associated with superconductivity, has proven to be a powerful method for providing insights into the fundamental nature of both pseudogap and superconducting gap. This study shows that the unique T-x phase diagram with the time-evolving ultrafast dynamics of Y1-x Prx Ba2 Cu3 O7-δ can be used to identify clearly the Nernst, pseudogap, and superconducting regions. All of the orders appear together at a specific delay time, such as 1.2-3 ps, after pumping by an ultrashort pulse. These discoveries suggest that the Nernst effect, the pseudogap and even superconductivity may have the same physical origin.

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Doping dependence of the ultrafast electronic dynamics of Y_1-x Pr_x Ba₂ Cu₃ O₇-δ thin-film superconductors from femtosecond optical spectroscopy

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