Well, current archeologists need to have a vast range of expertise (water management, cooking techniques, building & more)

I've watched a few days ago a documentary about ScanPyramids, a team of nuclear physicists that used their knowledge to perform non destructive exploration of Kheops Pyramid:

https://en.wikipedia.org/wiki/Scanpyramids

It could be argued that they're top of the line physicists AND archeologists at the same time :)