by Minola, M., Lu, Y., Peng, Y. Y., Dellea, G., Gretarsson, H., Haverkort, M. W., Ding, Y., Sun, X., Zhou, X. J., Peets, D. C., Chauviere, L., Dosanjh, P., Bonn, D. A., Liang, R., Damascelli, A., Dantz, M., Lu, X., Schmitt, T. and Braicovich, L., Ghiringhelli, G., Keimer, B. and Le Tacon, M.
Abstract:
Spin excitations in the overdoped high temperature superconductors Tl2Ba2CuO6+delta and (Bi,Pb)(2)(Sr,La)(2)CuO6+delta were investigated by resonant inelastic x-ray scattering (RIXS) as functions of doping and detuning of the incoming photon energy above the Cu-L-3 absorption peak. The RIXS spectra at optimal doping are dominated by a paramagnon feature with peak energy independent of photon energy, similar to prior results on underdoped cuprates. Beyond optimal doping, the RIXS data indicate a sharp crossover to a regime with a strong contribution from incoherent particle-hole excitations whose maximum shows a fluorescencelike shift upon detuning. The spectra of both compound families are closely similar, and their salient features are reproduced by exact-diagonalization calculations of the single-band Hubbard model on a finite cluster. The results are discussed in the light of recent transport experiments indicating a quantum phase transition near optimal doping.
Reference:
Crossover from Collective to Incoherent Spin Excitations in Superconducting Cuprates Probed by Detuned Resonant Inelastic X-Ray Scattering (Minola, M., Lu, Y., Peng, Y. Y., Dellea, G., Gretarsson, H., Haverkort, M. W., Ding, Y., Sun, X., Zhou, X. J., Peets, D. C., Chauviere, L., Dosanjh, P., Bonn, D. A., Liang, R., Damascelli, A., Dantz, M., Lu, X., Schmitt, T. and Braicovich, L., Ghiringhelli, G., Keimer, B. and Le Tacon, M.), In PHYSICAL REVIEW LETTERS, AMER PHYSICAL SOC, volume 119, 2017.
Bibtex Entry:
@article{ ISI:000408705200018,
Author = {Minola, M. and Lu, Y. and Peng, Y. Y. and Dellea, G. and Gretarsson, H.
and Haverkort, M. W. and Ding, Y. and Sun, X. and Zhou, X. J. and Peets,
D. C. and Chauviere, L. and Dosanjh, P. and Bonn, D. A. and Liang, R.
and Damascelli, A. and Dantz, M. and Lu, X. and Schmitt, T. and
Braicovich, L. and Ghiringhelli, G. and Keimer, B. and Le Tacon, M.},
Title = {{Crossover from Collective to Incoherent Spin Excitations in
Superconducting Cuprates Probed by Detuned Resonant Inelastic X-Ray
Scattering}},
Journal = {{PHYSICAL REVIEW LETTERS}},
Year = {{2017}},
Volume = {{119}},
Number = {{9}},
Month = {{AUG 31}},
Abstract = {{Spin excitations in the overdoped high temperature superconductors
Tl2Ba2CuO6+delta and (Bi,Pb)(2)(Sr,La)(2)CuO6+delta were investigated by
resonant inelastic x-ray scattering (RIXS) as functions of doping and
detuning of the incoming photon energy above the Cu-L-3 absorption peak.
The RIXS spectra at optimal doping are dominated by a paramagnon feature
with peak energy independent of photon energy, similar to prior results
on underdoped cuprates. Beyond optimal doping, the RIXS data indicate a
sharp crossover to a regime with a strong contribution from incoherent
particle-hole excitations whose maximum shows a fluorescencelike shift
upon detuning. The spectra of both compound families are closely
similar, and their salient features are reproduced by
exact-diagonalization calculations of the single-band Hubbard model on a
finite cluster. The results are discussed in the light of recent
transport experiments indicating a quantum phase transition near optimal
doping.}},
Publisher = {{AMER PHYSICAL SOC}},
Address = {{ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Minola, M (Corresponding Author), Max Planck Inst Festkorperforsch, Heisenbergstr 1, D-70569 Stuttgart, Germany.
Minola, M.; Lu, Y.; Gretarsson, H.; Chauviere, L.; Keimer, B.; Le Tacon, M., Max Planck Inst Festkorperforsch, Heisenbergstr 1, D-70569 Stuttgart, Germany.
Peng, Y. Y.; Dellea, G., CNR, SPIN, CNISM, I-20133 Milan, Italy.
Peng, Y. Y.; Dellea, G., Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy.
Haverkort, M. W., Max Planck Inst Chem Phys Fester Stoffe, Nothnitzer Str 40, D-01187 Dresden, Germany.
Haverkort, M. W., Heidelberg Univ, Inst Theoret Phys, Philosophenweg 19, D-69120 Heidelberg, Germany.
Ding, Y.; Sun, X.; Zhou, X. J., Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
Ding, Y.; Sun, X.; Zhou, X. J., Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Peets, D. C.; Chauviere, L.; Dosanjh, P.; Bonn, D. A.; Liang, R.; Damascelli, A., Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
Peets, D. C.; Chauviere, L.; Dosanjh, P.; Bonn, D. A.; Liang, R.; Damascelli, A., Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada.
Dantz, M.; Lu, X.; Schmitt, T., Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.
Le Tacon, M., Karlsruhe Inst Technol, Inst Festkorperphys, Hermann v Helmoltz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany.
Peets, D. C., Fudan Univ, Adv Mat Lab, Shanghai 200438, Peoples R China.}},
DOI = {{10.1103/PhysRevLett.119.097001}},
Article-Number = {{097001}},
ISSN = {{0031-9007}},
EISSN = {{1079-7114}},
Keywords-Plus = {{SWISS LIGHT-SOURCE; BEAMLINE; ADRESS}},
Research-Areas = {{Physics}},
Web-of-Science-Categories = {{Physics, Multidisciplinary}},
Author-Email = {{m.minola@fkf.mpg.de}},
ResearcherID-Numbers = {{peng, yingying/K-1805-2015
Ghiringhelli, Giacomo/D-1159-2014
, Le Tacon Matthieu/D-8023-2011
Haverkort, Maurits W./D-2319-2009
Peets, Darren C./T-5090-2017
Lu, Xingye/Q-4184-2019
damascelli, andrea/P-6329-2014
Lu, Yi/G-9881-2014
Schmitt, Thorsten/A-7025-2010
}},
ORCID-Numbers = {{peng, yingying/0000-0002-2657-3590
Ghiringhelli, Giacomo/0000-0003-0867-7748
, Le Tacon Matthieu/0000-0002-5838-3724
Haverkort, Maurits W./0000-0002-7216-3146
Peets, Darren C./0000-0002-5456-574X
Lu, Xingye/0000-0002-0409-1240
damascelli, andrea/0000-0001-9895-2226
Lu, Yi/0000-0001-9445-641X
Minola, Matteo/0000-0003-4084-0664
Braicovich, Lucio/0000-0001-6548-9140}},
Funding-Acknowledgement = {{Alexander von Humboldt FoundationAlexander von Humboldt Foundation;
PIK-POLARIX project of the Italian Ministry of Research (MIUR); Swiss
National Science Foundation through Sinergia network Mott Physics Beyond
the Heisenberg (MPBH); D-A-CH program (SNSF) {[}200021L 141325];
European CommunityEuropean Community (EC) {[}290605]; Max Planck-UBC
Centre for Quantum Materials; Killam; A. P. SloanAlfred P. Sloan
Foundation; A. von Humboldt; NSERCNatural Sciences and Engineering
Research Council of Canada; Canada Research Chairs ProgramCanada
Research Chairs; CFICanada Foundation for Innovation; CIFAR Quantum
Materials}},
Funding-Text = {{The experiments were carried out at the ADRESS beam line using the SAXES
instrument jointly built by the Paul Scherrer Institut (Villigen,
Switzerland), Politecnico di Milano (Italy), and Ecole polytechnique
federale de Lausanne (Switzerland). M. M. was supported by the Alexander
von Humboldt Foundation. Y. Y. P., G. D., and G. G. were supported by
the PIK-POLARIX project of the Italian Ministry of Research (MIUR). Part
of this research has been funded by the Swiss National Science
Foundation through the Sinergia network Mott Physics Beyond the
Heisenberg (MPBH) model and and the D-A-CH program (SNSF Research Grant
No. 200021L 141325). The research leading to these results Framework
Program (FP7/2007-2013) under Grant Agreement No. 290605 (COFUND: PSI-as
also received funding from the European Community's Seventh FrFELLOW).
The work at UBC was supported by the Max Planck-UBC Centre for Quantum
Materials, the Killam, A. P. Sloan, A. von Humboldt, and NSERC's Steacie
Memorial Fellowships (A. D.), the Canada Research Chairs Program (A.
D.), NSERC, CFI, and CIFAR Quantum Materials.}},
Number-of-Cited-References = {{35}},
Times-Cited = {{13}},
Usage-Count-Last-180-days = {{5}},
Usage-Count-Since-2013 = {{64}},
Journal-ISO = {{Phys. Rev. Lett.}},
Doc-Delivery-Number = {{FF2CJ}},
Unique-ID = {{ISI:000408705200018}},
OA = {{Green Published}},
DA = {{2020-12-22}},
}
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