Equation Icon  1 ( ( 2L3 kT ⋅ x1) ( L3 kT ⋅ x2)) ( ) y12(t) = -------T-----nT3 ⋅ H t − ----+ ------ − H t −--- + ------ ⋅ n3 + 𝒪 h2 , (12a ) 2(1 − k ⋅ n3) ( c c c )c 1 T ( L3 kT ⋅ x2) ( kT ⋅ x1) ( 2) y21(t) = 2(1-+-kT-⋅ n-)n3 ⋅ H t − c--+ ---c-- − H t + ---c-- ⋅ n3 + 𝒪 h . (12b ) 3