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Gapped optical excitations from gapless phases: imperfect nesting in unconventional density waves
Balázs Dóra, András Ványolos, Kazumi Maki +1
We consider the effect of imperfect nesting in quasi-one-dimensional unconventional density waves in the case, when the imperfect nesting and the gap depends on the same wavevector…
Unconventional density wave in CeCoIn_5?
Balázs Dóra, Kazumi Maki, Attila Virosztek +1
Very recently large Nernst effect and Seebeck effect were observed above the superconducting transition temperature 2.3K in a heavy fermion superconductor CeCoIn_5. We shall interp…
Recent Advances in Unconventional Density Waves
Balázs Dóra, Kazumi Maki, Attila Virosztek
Unconventional density wave (UDW) has been speculated as a possible electronic ground state in excitonic insulator in 1968. Recent surge of interest in UDW is partly due to the pro…
Large-N limit of a magnetic impurity in unconventional density waves
Balázs Dóra
We investigate the effect of unconventional density wave (UDW) condensate on an Anderson impurity using large-N technique at T=0. In accordance with previous treatments of a Kondo…