Two-dimensional boson-fermion mixtures

A. L. Subaşi, S. Sevinçli, P. Vignolo, B. Tanatar

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Using mean-field theory, we study the equilibrium properties of boson-fermion mixtures confined in a harmonic pancake-shaped trap at zero temperature. When the modulus of the s -wave scattering lengths are comparable to the mixture thickness, two-dimensional scattering events introduce a logarithmic dependence on density in the coupling constants, greatly modifying the density profiles themselves. We show that, for the case of a negative boson-fermion three-dimensional s -wave scattering length, the dimensional crossover stabilizes the mixture against collapse and drives it toward spatial demixing.

Original languageEnglish
Article number063632
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume79
Issue number6
DOIs
Publication statusPublished - 30 Jun 2009
Externally publishedYes

Funding

FundersFunder number
Seventh Framework Programme203953

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