0xDEADBEEF Messages 815 Reaction score 1 Thread starter Jan 16, 2009 #1 If the cooper pair phase of a superconductor is fixed. Is there a phase -. particle number uncertainty like in photonics, and as a corollary is there a charge density uncertainty?
If the cooper pair phase of a superconductor is fixed. Is there a phase -. particle number uncertainty like in photonics, and as a corollary is there a charge density uncertainty?
genneth Messages 979 Reaction score 2 Jan 18, 2009 #2 Indeed. The BCS ground state is not a number operator eigenstate.