Pineiro Escalera, A.
, Lu, M.
, Genkina, D.
and Spielman, I.
(2019),
Exceeding the Sauter-Schwinger limit of pair production with a quantum gas, New Journal of Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=927722
(Accessed November 23, 2024)
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Exceeding the Sauter-Schwinger limit of pair production with a quantum gas
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We quantum-simulated particle-antiparticle pair production with a bosonic quantum gas in an optical lattice by emulating the requisite 1d Dirac equation and uniform electric field. We emulated field strengths far in excess of Sauter-Schwinger's limit for pair production in quantum electrodynamics, and therefore readily produced particles from "the Dirac vacuum" in quantitative agreement with theory. The observed process is equivalently described by Landau- Zener tunneling familiar in the atomic physics context.Citation
New Journal of Physics
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Created September 20, 2019, Updated October 12, 2021