scholarly journals Faddeev description of two-hole–one-particle motion and the single-particle spectral function

2001 ◽  
Vol 63 (3) ◽  
Author(s):  
C. Barbieri ◽  
W. H. Dickhoff
1987 ◽  
Vol 37 (3) ◽  
pp. 497-506
Author(s):  
M. C. Festeau-Barrioz ◽  
M. L. Sawley ◽  
J. Václavík

The motion of a single particle under the influence of the ponderomotive force directed perpendicular to the external magnetostatic field is analysed. By solving the exact equation of motion for a specific applied electromagnetic field, the resultant ponderomotive drift is compared with the prediction of a single-particle theory using the oscillation-centre approximation. The regime of validity of this theory is discussed. It is shown that, for certain values of the amplitude and frequency of the electromagnetic field, the particle motion is unstable and therefore the concept of a single-particle ponderomotive force is meaningless.


1999 ◽  
Vol 13 (24n25) ◽  
pp. 3039-3047
Author(s):  
M. G. ZACHER ◽  
A. DORNEICH ◽  
R. EDER ◽  
W. HANKE ◽  
S. C. ZHANG

We discuss properties of a recently proposed SO(5) symmetric ladder model. Key features of the single particle spectral function that are emerging from the symmetry are numerically identified in the ladder model and in the photoemission spectrum of the two-dimensional t–J model.


1979 ◽  
Vol 19 (1) ◽  
pp. 416-418 ◽  
Author(s):  
H. van Beijeren ◽  
J. R. Dorfman

2007 ◽  
Vol 460-462 ◽  
pp. 248-251
Author(s):  
Werner Hanke ◽  
Markus Aichhorn ◽  
Enrico Arrigoni ◽  
Michael Potthoff

1983 ◽  
Vol 314 (3) ◽  
pp. 309-316 ◽  
Author(s):  
W. Cassing ◽  
A. K. Dhar ◽  
A. Lukasiak ◽  
W. N�renberg

2020 ◽  
pp. 29-60
Author(s):  
Christopher W. Kulp ◽  
Vasilis Pagonis

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