Bound States in Three Dimensions

Author(s):  
Siegmund Brandt ◽  
Hans Dieter Dahmen
2005 ◽  
Vol 14 (06) ◽  
pp. 931-947 ◽  
Author(s):  
F. PILOTTO ◽  
M. DILLIG

We investigate the influence of retardation effects on covariant 3-dimensional wave functions for bound hadrons. Within a quark-(scalar) diquark representation of a baryon, the four-dimensional Bethe–Salpeter equation is solved for a 1-rank separable kernel which simulates Coulombic attraction and confinement. We project the manifestly covariant bound state wave function into three dimensions upon integrating out the non-static energy dependence and compare it with solutions of three-dimensional quasi-potential equations obtained from different kinematical projections on the relative energy variable. We find that for long-range interactions, as characteristic in QCD, retardation effects in bound states are of crucial importance.


Author(s):  
Siegmund Brandt ◽  
Hans Dieter Dahmen

Author(s):  
Siegmund Brandt ◽  
Hans Dieter Dahmen

Author(s):  
Siegmund Brandt ◽  
Hans Dieter Dahmen

2010 ◽  
pp. 158-184
Author(s):  
Siegmund Brandt ◽  
Hans Dieter Dahmen ◽  
Tilo Stroh

1991 ◽  
Vol 161 (1) ◽  
pp. 26-29 ◽  
Author(s):  
F.A.B. Coutinho ◽  
Y. Nogami ◽  
N.P. Parent ◽  
Akira Suzuki

Author(s):  
Siegmund Brandt ◽  
Hans Dieter Dahmen

2014 ◽  
Vol 48 (2) ◽  
pp. 025302 ◽  
Author(s):  
M T Yamashita ◽  
F F Bellotti ◽  
T Frederico ◽  
D V Fedorov ◽  
A S Jensen ◽  
...  

2004 ◽  
Vol 45 (4) ◽  
pp. 1380-1393 ◽  
Author(s):  
C. M. Linton ◽  
K. Ratcliffe

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