In M theory, are M branes fundamental or are they made of something else? Are they made up of fields?
Say for instance the M2 brane is not fundamental, wouldn't that mean that the string is not fundamental since a string is a wrapped M2 brane?
In M theory, are M branes fundamental or are they made of something else? Are they made up of fields?
Say for instance the M2 brane is not fundamental, wouldn't that mean that the string is not fundamental since a string is a wrapped M2 brane?