equation icon  [ k2r ( r)] [ a2k4r2 ] [ k2r] P = - H 1 + (1 + w) ---2- 1 + -- P - (1 + w)------- U + (1 + w) ---- C0, (299) [ 2H ] c [ 2H ] [ 4H ] 2k2rE 2rE r 6c2sH2 rE U = - H 1 - 3w + ----2- U - --2---- 1 + --- --------2-- P + --2---- C0. (300) 3H 3a Hr c (1 + w)k r 3a Hr