scholarly journals Cooperative Spontaneous Lasing and Possible Quantum Retardation Effects

Author(s):  
Nicolae A. Enaki
Keyword(s):  
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.


1978 ◽  
Vol 18 (1) ◽  
pp. 15-25 ◽  
Author(s):  
Edward J. Kelsey ◽  
Larry Spruch

JETP Letters ◽  
2004 ◽  
Vol 80 (4) ◽  
pp. 271-273 ◽  
Author(s):  
M. V. Cheremisin
Keyword(s):  

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