THE COOPER-PAIR DISPERSION-RELATION

The binding energy of a Cooper pair formed with the BCS model interact ion potential is obtained numerically for all coupling in two and thre e dimensions for all non-zero center-of-mass momentum (CMM) of the pai r. The pair breaks up for very small CMM, at most about four orders of magnitude smaller than the maximum CMM allowed by the BCS model inter action, and its binding energy is remarkably linear over the entire ra nge of the CMM up to breakup. (C) 1998 Elsevier Science B.V.