No, the pom pom anemone is completely dependent on the crab and it will die without the crab. The crab can live fine without the nem though. You might consider getting another pom pom crab though. If one crab loses both anemones, the other sometimes donates one if it has two.
here's a good thread from nano-reef.com on these guys.
http://www.nano-reef.com/forums/inde...l+pom+pom+crab