Nuclear physics with an effective field theory around the unitarity limit

Abstract : I outline the first steps in the process of describing nuclear ground states with an expansion around two-body unitarity. At leading order, the effective field theory displays discrete scale invariance with a single dimensionful parameter, which determines all ground-state and low-lying excitation energies. Sub-leading corrections are smaller and perturbative. Results for light nuclei, large bosonic clusters at unitarity, and nuclear matter are reported.
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https://hal.archives-ouvertes.fr/hal-02266316
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Submitted on : Tuesday, August 13, 2019 - 10:03:12 PM
Last modification on : Tuesday, August 20, 2019 - 10:02:50 PM

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U. van Kolck. Nuclear physics with an effective field theory around the unitarity limit. Nuovo Cim.C, 2019, 42, pp.52. ⟨10.1393/ncc/i2019-19052-7⟩. ⟨hal-02266316⟩

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