Ok so when the metaphorical Kramers burst through the door and slams down a few bills on the counter proclaiming they "lost" implies not fornication bets, but healing crystal energy that reacts to the (jokes aside) wavevector in a spin-dependent way; i.e will interact magnetically different depending on the other field's net spin? I'm picturing a gate that will supress one field but not the other, relative to their spin? Because then it's huge news I guess but could we really call that a "phase"?