Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition
| Autor: | Davide Calonico, M. Frittelli, Filippo Levi, Lorenzo Francesco Livi, Massimo Inguscio, G. Cappellini, Jacopo Catani, Leonardo Fallani, Lorenzo Franchi, Cecilia Clivati, M. Diem |
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| Rok vydání: | 2016 |
| Předmět: |
Physics
Condensed Matter::Quantum Gases Quantum Physics Condensed Matter::Other Quantum gas Atomic Physics (physics.atom-ph) General Physics and Astronomy FOS: Physical sciences Ultracold atoms Fermi gases spin-orbit coupling optical lattices gauge fields spectroscopy Spin–orbit interaction 01 natural sciences 010305 fluids & plasmas Physics - Atomic Physics Ultracold atom Quantum Gases (cond-mat.quant-gas) 0103 physical sciences Optical clock Condensed Matter::Strongly Correlated Electrons Atomic physics 010306 general physics Spectroscopy Quantum Physics (quant-ph) Condensed Matter - Quantum Gases |
| Zdroj: | Physical review letters. 117(22) |
| ISSN: | 1079-7114 |
| Popis: | We demonstrate a novel way of synthesizing spin-orbit interactions in ultracold quantum gases, based on a single-photon optical clock transition coupling two long-lived electronic states of two-electron $^{173}$Yb atoms. By mapping the electronic states onto effective sites along a synthetic "electronic" dimension, we have engineered synthetic fermionic ladders with tunable magnetic fluxes. We have detected the spin-orbit coupling with fiber-link-enhanced clock spectroscopy and directly measured the emergence of chiral edge currents, probing them as a function of the magnetic field flux. These results open new directions for the investigation of topological states of matter with ultracold atomic gases. Minor changes with respect to v1 (we have corrected some typos, fixed the use of some mathematical symbols, added one reference) |
| Databáze: | OpenAIRE |
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