The more general case of a tensor field is similar but more complicated. 較普遍的張量場情況大致相似,但是更為複雜。
But if the field changes or oscillates quickly enough, it produces a gravitational attraction, just like ordinary or dark matter. 不過,要是純量場變化或是振蕩得夠快,它就會產生重力相吸效應,一如普通物質或是暗物質。