scholarly journals Langevin simulations of a long-range electron-phonon model

2019 ◽  
Vol 99 (3) ◽  
Author(s):  
G. G. Batrouni ◽  
Richard T. Scalettar
Keyword(s):  
Long Range ◽  
Phonon Model

OFF-DIAGONAL LONG RANGE ORDER IN AN ELECTRON-PHONON MODEL FOR HIGH-Tc SUPERCONDUCTORS

1992 ◽  
Vol 03 (01) ◽  
pp. 105-120 ◽  
Author(s):  
M. Frick ◽  
I. Morgenstern ◽  
W.von der Linden
Keyword(s):  
Long Range ◽  
Quantum Monte Carlo ◽  
Range Order ◽  
Long Range Order ◽  
Superconducting Properties ◽  
High Tc Superconductors ◽  
High Tc ◽  
Electronic Correlations ◽  
Superconducting Condensate ◽  
Phonon Model

We study a model for high- T c superconductors describing both the strong electronic correlations and a coupling of the carriers to anharmonic phonons. The Projector Quantum Monte Carlo Scheme has been employed to investigate ground state properties. We analyze the superconducting properties of the model by directly addressing to the existence of Off-Diagonal Long Range Order (ODLRO). We review the numerical algorithm and discuss the possibility to observe ODLRO. In the presented model, we find ODLRO pointing towards superconductivity instead of the presence of strong electronic correlations. We discuss several features of the superconducting condensate.

Long range target recognition and identification of camouflaged armored vehicles.

1979 ◽  
Author(s):  
William L. Warnick ◽  
Garvin D. Chastain ◽  
William H. Ton
Keyword(s):  
Long Range ◽  
Target Recognition ◽  
Armored Vehicles
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