Density-wave phases of dipolar fermions in a bilayer

Abstract

We investigate the phase diagram of dipolar fermions with aligned dipole moments in a two-dimensional (2D) bilayer. Using a version of the Singwi-Tosi-Land-Sjolander scheme recently adapted to dipolar fermions in a single layer [M. M. Parish and F. M. Marchetti, Phys. Rev. Lett. 108, 145304 (2012)], we determine the density-wave instabilities of the bilayer system within linear response theory. We find that the bilayer geometry can stabilize the collapse of the 2D dipolar Fermi gas with intralayer attraction to form a new density wave phase that has an orientation perpendicular to the density wave expected for strong intralayer repulsion. We thus obtain a quantum phase transition between stripe phases that is driven by the interplay between strong correlations and the architecture of the low dimensional system.

arXiv comment5 pages, 3 figures

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Cited by in corpus (11)

• Ground-state and dynamical properties of two-dimensional dipolar Fermi liquids
• Properties of the density-wave phase of a two-dimensional dipolar Fermi gas
• Phase-diagram and dynamics of Rydberg-dressed fermions in two-dimensions
• Superfluidity of a dipolar Fermi gas in 2D optical lattices bilayer
• Interplay of interlayer pairing and many-body screening in a bilayer of dipolar fermions
• Superfluidity in density imbalanced bilayers of dipolar fermions
• Dipolar fermions in a multilayer geometry
• Triplet Superfluidity on a triangular ladder with dipolar fermions
• Tilted dipolar bosons in the quasi-two-dimensional regime: From liquid stripes to droplets
• Multiple polaron quasiparticles with dipolar fermions in a bilayer geometry
• Ordered phases in a bilayer system of dipolar fermions