Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.010404
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Funding
- Austrian Ministry of Science and Research (BMWF)
- Austrian Science Fund (FWF) through a START grant [Y479-N20]
- European Research Council [259435]
- FWF
- Austrian Science Fund (FWF) [Y 479] Funding Source: researchfish
- European Research Council (ERC) [259435] Funding Source: European Research Council (ERC)
- Austrian Science Fund (FWF) [Y479] Funding Source: Austrian Science Fund (FWF)
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We report on the creation of a degenerate dipolar Fermi gas of erbium atoms. We force evaporative cooling in a fully spin-polarized sample down to temperatures as low as 0.2 times the Fermi temperature. The strong magnetic dipole-dipole interaction enables elastic collisions between identical fermions even in the zero-energy limit. The measured elastic scattering cross section agrees well with the predictions from the dipolar scattering theory, which follow a universal scaling law depending only on the dipole moment and on the atomic mass. Our approach to quantum degeneracy proceeds with very high cooling efficiency and provides large atomic densities, and it may be extended to various dipolar systems.
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