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Statics and dynamics of weakly coupled antiferromagnetic spin-1/2 ladders in a magnetic field
Pierre Bouillot, Corinna Kollath, Andreas M. Läuchli +9
We investigate weakly coupled spin-1/2 ladders in a magnetic field. The work is motivated by recent experiments on the compound (C5H12N)2CuBr4 (BPCB). We use a combination of numer…
Probing the helical edge states of a topological insulator by Cooper-pair injection
P. Adroguer, C. Grenier, D. Carpentier +3
We consider the proximity effect between a singlet s-wave superconductor and the edge of a Quantum Spin Hall (QSH) topological insulator. We establish that Andreev reflection at a…
Competition of superfluidity and density waves in one-dimensional Bose-Fermi mixtures
E. Orignac, M. Tsuchiizu, Y. Suzumura
We study a mixture of one-dimensional bosons and spinless fermions at incommensurate filling using phenomenological bosonization and Green's functions techniques. We derive the rel…