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cond-mat.str-el2010★ 115 cited
Functional renormalization for spontaneous symmetry breaking in the Hubbard model
Simon Friederich, Hans Christian Krahl, Christof Wetterich
The phases with spontaneously broken symmetries corresponding to antiferromagnetic and d-wave superconducting order in the two-dimensional t-t'-Hubbard model are investigated by me…
cond-mat.str-el2008★ 13 cited
Spin-charge separation in transport through Luttinger liquid rings
S. Friederich, V. Meden
We investigate how the different velocities characterizing the low-energy spectral properties and the low-temperature thermodynamics of one-dimensional correlated electron systems…