Probing inter- and intrachain Zhang-Rice excitons in Li2CuO2 and determining their binding energy
Probing inter- and intrachain Zhang-Rice excitons in Li2CuO2 and determining their binding energy
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探测 Li2CuO2 中的链间和链内张赖斯激子并测定其结合能
DOI:
10.1103/physrevb.94.165118
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发表时间:
2016
影响因子:
3.7
通讯作者:
T. Schmitt
中科院分区:
文献类型:
--
作者:
C. Monney;V. Bisogni;K.-J. Zhou;R. Kraus;V. N. Strocov;G. Behr;S.-L. Drechsler;H. Rosner;S. Johnston;J. Geck;T. Schmitt
Cuprate materials, such as those hosting high-temperature superconductivity, represent a famous class of materials where the correlations between the strongly entangled charges and spins produce complex phase diagrams. Several years ago, the Zhang-Rice singlet was proposed as a natural quasiparticle in hole-doped cuprates. The occurrence and binding energy of this quasiparticle, consisting of a pair of bound holes with antiparallel spins on the sameplaquette, depends on the local electronic interactions, which are fundamental quantities for understanding the physics of the cuprates. Here, we employ state-of-the-art resonant inelastic x-ray scattering (RIXS) to probe the correlated physics of theplaquettes in the quasi-one-dimensional chain cuprate. By tuning the incoming photon energy to the Oedge, we populate bound states related to the Zhang-Rice quasiparticles in the RIXS process. Both intra- and interchain Zhang-Rice singlets are observed and their occurrence is shown to depend on the nearest-neighbor spin-spin correlations, which are readily probed in this experiment. We also extract the binding energy of the Zhang-Rice singlet and identify the Zhang-Rice triplet excitation in the RIXS spectra.
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DOI:
--
发表时间:
2002
期刊:
影响因子:
--
作者:
K. Okada;A. Kotani
通讯作者:
A. Kotani
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
Hsiao;N. Bogdanov;L. Siurakshina;P. Fulde;J. Brink;L. Hozoi
通讯作者:
L. Hozoi
DOI:
--
发表时间:
1999
期刊:
影响因子:
--
作者:
R. Neudert;H. Rosner;S. Drechsler;M. Kielwein;M. Sing;Zhiwei Hu;M. Knupfer;M. Golden;J. Fink;N. Nücker;M. Merz;S. Schuppler;N. Motoyama;H. Eisaki;S. Uchida;M. Domke;G. Kaindl
通讯作者:
G. Kaindl
影响因子:
1.8
作者:
Wizent, Nadja;Behr, Guenter;Klingeler, Ruediger
通讯作者:
Klingeler, Ruediger
影响因子:
3.7
作者:
Y. Mizuno;T. Tohyama;S. Maekawa
通讯作者:
S. Maekawa