Angle-resolved photoemission on underdoped La 1.895 Sr 0.105 CuO 4
reveals that in the pseudogap phase, the dispersion has two branches
located above and below the Fermi level with a minimum at the Fermi
momentum. This is characteristic of the Bogoliubov dispersion in
the superconducting state. We also observe that the superconducting
and pseudogaps have the same d -wave form with the same amplitude.
Our observations provide direct evidence for preformed Cooper pairs,
implying that the pseudogap phase is a precursor to superconductivity.
%0 Journal Article
%1 Shi2009
%A Shi, M.
%A Bendounan, A.
%A Razzoli, E.
%A Rosenkranz, S.
%A Norman, M. R.
%A Campuzano, J. C.
%A Chang, J.
%A Månsson, M.
%A Sassa, Y.
%A Claesson, T.
%A Tjernberg, O.
%A Patthey, L.
%A Momono, N.
%A Oda, M.
%A Ido, M.
%A Guerrero, S.
%A Mudry, C.
%A Mesot, J.
%D 2009
%J EPL (Europhysics Letters)
%K imported
%N 2
%P 27008
%R 10.1209/0295-5075/88/27008
%T Spectroscopic evidence for preformed Cooper pairs in the pseudogap
phase of cuprates
%U http://stacks.iop.org/0295-5075/88/i=2/a=27008
%V 88
%X Angle-resolved photoemission on underdoped La 1.895 Sr 0.105 CuO 4
reveals that in the pseudogap phase, the dispersion has two branches
located above and below the Fermi level with a minimum at the Fermi
momentum. This is characteristic of the Bogoliubov dispersion in
the superconducting state. We also observe that the superconducting
and pseudogaps have the same d -wave form with the same amplitude.
Our observations provide direct evidence for preformed Cooper pairs,
implying that the pseudogap phase is a precursor to superconductivity.
@article{Shi2009,
abstract = {Angle-resolved photoemission on underdoped La 1.895 Sr 0.105 CuO 4
reveals that in the pseudogap phase, the dispersion has two branches
located above and below the Fermi level with a minimum at the Fermi
momentum. This is characteristic of the Bogoliubov dispersion in
the superconducting state. We also observe that the superconducting
and pseudogaps have the same d -wave form with the same amplitude.
Our observations provide direct evidence for preformed Cooper pairs,
implying that the pseudogap phase is a precursor to superconductivity.},
added-at = {2010-11-06T00:14:39.000+0100},
author = {Shi, M. and Bendounan, A. and Razzoli, E. and Rosenkranz, S. and Norman, M. R. and Campuzano, J. C. and Chang, J. and Månsson, M. and Sassa, Y. and Claesson, T. and Tjernberg, O. and Patthey, L. and Momono, N. and Oda, M. and Ido, M. and Guerrero, S. and Mudry, C. and Mesot, J.},
biburl = {https://www.bibsonomy.org/bibtex/27039cd9c71de796034e4b8d74df174af/nplumb},
doi = {10.1209/0295-5075/88/27008},
file = {:C\:\\Users\\Nick\\Documents\\Papers\\Shi et al. - Spectroscopic evidence for preformed Cooper pairs in the pseudogap phase of cuprates.pdf:PDF},
interhash = {b209d56787a91424fa08f0c87f436535},
intrahash = {7039cd9c71de796034e4b8d74df174af},
issn = {0295-5075},
journal = {EPL (Europhysics Letters)},
keywords = {imported},
number = 2,
owner = {Nick},
pages = 27008,
timestamp = {2010-11-06T00:14:43.000+0100},
title = {Spectroscopic evidence for preformed Cooper pairs in the pseudogap
phase of cuprates},
url = {http://stacks.iop.org/0295-5075/88/i=2/a=27008},
volume = 88,
year = 2009
}