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Ground state energy of the dilute spin-polarized Fermi gas: Lower bound

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arxiv 2402.17558 v1 pith:QQO6SIZE submitted 2024-02-27 math-ph math.MP

Ground state energy of the dilute spin-polarized Fermi gas: Lower bound

classification math-ph math.MP
keywords boundenergycorrectiondilutefermigroundlowerspin-polarized
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We prove a lower bound on the ground state energy of the dilute spin-polarized Fermi gas capturing the leading correction to the kinetic energy resulting from repulsive interactions. This correction depends on the $p$-wave scattering length of the interaction and matches the corresponding upper bound in [J. Funct. Anal. 286.7 (2024), p. 110320].

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. The Huang--Yang formula for a two-dimensional Fermi gas: upper bound

    math-ph 2026-06 unverdicted novelty 7.0

    Derives an upper bound on the ground state energy of a dilute 2D Fermi gas that captures the first three terms in the small ρa² asymptotic expansion.

  2. Semi-classical limit of an attractive Fermi gas in one or two dimensions

    math-ph 2026-02 conditional novelty 6.0

    For trapped attractive Fermi gases in 1D and 2D, as N grows the ground-state energy approaches the Thomas-Fermi energy, and ground states converge via Husimi functions.