Chirality density wave of the 'hidden order' phase in URu${}_2$Si${}_2$

H. -H. Kung, R. E. Baumbach, E. D. Bauer +5

A second-order phase transition is associated with emergence of an "order parameter" and a spontaneous symmetry breaking. For the heavy fermion superconductor URu${}_2$Si${}_2$, the sy…