DocumentCode
1769918
Title
Selective THz excitation of collective modes in underdoped YBCO
Author
Dakovski, Georgi L. ; Wei-Sheng Lee ; Turner, Joshua J. ; Hoffmann, Matthias C.
Author_Institution
SLAC Nat. Accel. Lab., Menlo Park, CA, USA
fYear
2014
fDate
8-13 June 2014
Firstpage
1
Lastpage
2
Abstract
We use intense broadband THz pulses to excite underdoped YBCO exhibiting competing superconducting and charge density wave ground states. We observe pronounced coherent oscillations at 1.85 and 2.65THz, attributed to renormalized low-energy phonon modes.
Keywords
barium compounds; charge density waves; excited states; high-temperature superconductors; phonons; type II superconductors; yttrium compounds; YBCO; charge density wave ground states; coherent oscillations; collective modes; intense broadband THz pulses; low-energy phonon modes; selective THz excitation; superconducting ground states; underdoped YBCO; Broadband communication; Optical pumping; Optical reflection; Oscillators; Phonons; Reflectivity; Yttrium barium copper oxide;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
6988610
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