2 papers
cond-mat.str-el2017
Classification and characterization of nonequilibrium Higgs modes in unconventional superconductors
L. Schwarz, B. Fauseweh, N. Tsuji +8
Recent findings of new Higgs modes in unconventional superconductors require a classification and characterization of the modes allowed by nontrivial gap symmetry. Here we develop…
cond-mat.supr-con2015
Coupling of Higgs and Leggett modes in nonequilibrium superconductors
H. Krull, N. Bittner, G. S. Uhrig +2
Collective excitation modes are a characteristic feature of symmetry-broken phases of matter. For example, superconductors exhibit an amplitude Higgs mode and a phase mode, which a…