Nonequilibrium Carrier Dynamics Studied in Underdoped Bi2212 by Polarized Optical Pump-Probe Spectroscopy

Toda, Y.; Sekiya, J.; Liu, Y. H.; Momono, N.; Oda, M.; Ido, M.

Nonequilibrium Carrier Dynamics Studied in Underdoped Bi2212 by Polarized Optical Pump-Probe Spectroscopy

Toda, Y.; Sekiya, J.; Liu, Y. H. et al.

Journal of Superconductivity and Novel Magnetism, 2010, 23(5), 871-872

Permalink : https://hdl.handle.net/2115/49218

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アクセス権	open access
URI	https://hdl.handle.net/2115/49218
タイトル	Nonequilibrium Carrier Dynamics Studied in Underdoped Bi2212 by Polarized Optical Pump-Probe Spectroscopy
著者	Toda, Y. ; Sekiya, J. ; Liu, Y. H. ; Momono, N. ; Oda, M. ; Ido, M.
e-Rad_Researcher 00313106 著者名 Toda, Y.
著者名 Sekiya, J.
著者名 Liu, Y. H.
著者名 Momono, N.
著者名 Oda, M.
e-Rad_Researcher 90111145 著者名 Ido, M.
言語	英語
キーワード	High-Tc superconductor
	Nonequilibrium quasiparticle dynamics
	Ultrafast spectroscopy
発行日	2010-07
出版者	Springer New York
収録物名	Journal of Superconductivity and Novel Magnetism
巻(号)	23(5)
ページ	871-872
抄録	We investigate nonequilibrium quasiparticle dynamics measured by ultrafast optical spectroscopy on underdoped Bi2212 crystals, which provide direct evidence that superconducting (SC) and pseudogap (PG) quasiparticles coexist below Tc. We verify that the ratio of signals from SC and PG quasiparticles depends on both excitation energy and polarization of the probe beam due to the anisotropy of the probe transition matrix elements and the inter-band transition probability. Based on this property, we successfully separate the SC or PG component and precisely evaluate the temperature dependence of them across Tc.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The final publication is available at www.springerlink.com
PISSN	1557-1939
EISSN	1557-1947
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s10948-009-0608-0