Spinless Fermionic ladders in a magnetic field: Phase Diagram
arXiv:cond-mat/0601164 · doi:10.1103/PhysRevB.73.195114
Abstract
The system of interacting spinless fermions hopping on a two-leg ladder exhibits a series of quantum phase transitions when subjected to an external magnetic field. At half filling, these are either U(1) Gaussian phase transitions between two phases with distinct types of long-range order or Berezinskii-Kosterlitz-Thouless transitions between ordered and gapless phases.
16 pages, 6 figures
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Cited by in corpus (58)
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