“For almost every symmetry imaginable, there is a model whose ground state breaks it:crystals break the continuous translational and rotational symmetries of Coulomb interactions; magnetically ordered materials break time-reversal symmetry and spin symmetry, and superfluids break global gauge symmetry.”
39 posted on 09/12/2016 6:21:05 PM PDT by Maceman
(Screw the Party. Save the Country.)
47 posted on 09/12/2016 6:49:20 PM PDT by dayglored
("Listen. Strange women lying in ponds distributing swords is no basis for a system of government.")
