Equation Icon  ∫ ∫ [ ] S = 1M 2 R√ −-gd4x − 1M 2∂ μϕ∂μϕ + 1BF (ϕ)F μνFμν √ −-gd4x (209 ) 2 4 2 ∗ 4 ∫ {∑ 1 1 } √ --- − N¯i[iD ∕ − miBNi (ϕ)]Ni + -χ¯∂χ + M 42B Λ(ϕ )Λ + -M χBχ(ϕ )χT χ − gd4x 2 2