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Quantum phases of supersymmetric lattice fermions
  KTH/Nordita/SU seminar in Theoretical Physics [before December 2013]

Wednesday 09 September 2009
from 11:00 to 12:00
at FD51 (OBS!)
Speaker : Kareljan Schoutens (ITFA)
Abstract : I will review results, obtained with P. Fendley and L. Huijse, on lattice models for spin-less fermions with strong repulsive interactions. A judicious tuning of kinetic and interaction terms leads to a model possessing supersymmetry. In the 1D case, this model displays critical behavior described by superconformal field theory. On 2D lattice we generically find superfrustration, with ground state entropy that is extensive in the size of system. For special 2D lattices we observe special features which we tentatively describe as `supertopological'.
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