QuietMan
Member
I don't claim expertise, but I have heard consistently that quantum mechanics not only allows for them, but requires them. The article I linked certainly shows a lot of high caliber talent looking for it over many generations. If you read the article they also think their are a lot of paired monopoles (which cancel), only a slight imbalance in the numbers allow it to be seen.
There is an old saying in physics and astronomy, that which is not expressly forbidden must exist somewhere.
There is an old saying in physics and astronomy, that which is not expressly forbidden must exist somewhere.