Quantum Pumping with Ultracold Atoms on Microchips: Fermions versus Bosons

Details Quantum Pumping with Ultracold Atoms on Microchips: Fermions versus Bosons Quantum Pumping with Ultracold Atoms on Microchips: Fermions versus Bosons

2009-12-18

arxiv.org/abs/0912.3588v1

Phys. Rev. Lett. 103, 123007 (2009)

Physics

Condensed Matter

Quantum Gases

4 pages; 4 figures

Scientific paper

We present a design for simulating quantum pumping of electrons in a mesoscopic circuit with ultra-cold atoms in a micro-magnetic chip trap. We calculate theoretical results for quantum pumping of both bosons and fermions, identifying differences and common features, including geometric behavior and resonance transmission. We analyze the feasibility of experiments with bosonic $^{87}$Rb and fermionic $^{40}$K atoms with an emphasis on reliable atomic current measurements.

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