scholarly journals Tendencies of enhanced electronic nematicity in the Hubbard model and a comparison with Raman scattering on high-temperature superconductors

2021 ◽  
Vol 103 (13) ◽  
Author(s):  
Tianyi Liu ◽  
Daniel Jost ◽  
Brian Moritz ◽  
Edwin W. Huang ◽  
Rudi Hackl ◽  
...  
1996 ◽  
Vol 223-224 ◽  
pp. 506-511 ◽  
Author(s):  
S.N Behera ◽  
Umesh A Salian ◽  
Haranath Ghosh

1989 ◽  
Vol 67 (11) ◽  
pp. 1036-1039
Author(s):  
M. S. Wartak ◽  
C. Y. Fong

We have studied the correlation functions for a model Hamiltonian describing the vibrational properties in molecular crystals. The model Hamiltonian consists of terms characterizing the on-site anharmonicity and the nearest-neighbor hopping interaction. If the on-site anharmonicity is uniform, the correlation functions exhibit no structure. However, structure appears in the nearest-neighbor correlation function if the anharmonicity is nonuniform. Because the Hamiltonian resembles the Hubbard model for the electronic case, the implication of the results to high temperature superconductors is indicated.


Author(s):  
M. V. Klein ◽  
F. Slakey ◽  
D. Reznik ◽  
J. P. Rice ◽  
D. M. Ginsberg

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