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Third Order Upper Bound for the Ground State Energy of the Dilute Bose Gas

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arxiv 2506.04153 v1 pith:ONMD7GJI submitted 2025-06-04 math-ph math.MP

Third Order Upper Bound for the Ground State Energy of the Dilute Bose Gas

classification math-ph math.MP
keywords bosebounddiluteenergygroundorderstatethird
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider a dilute Bose gas in the thermodynamic limit. We prove an upper bound for the ground state energy per unit volume, capturing the expected third order term, as predicted by Wu, Hugenholtz-Pines and Sawada.

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Cited by 3 Pith papers

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

  1. Ground State Energy of Dilute Fermi Gases in 1D

    math-ph 2025-08 unverdicted novelty 8.0

    Proves that the ground state energy of dilute 1D spin-J Fermi gases with repulsive interactions asymptotes to the ground state energy of a corresponding spin chain.

  2. On the spherical symmetry and finite-range assumptions of the interaction potential in the low energy study of dilute Bose gases

    math-ph 2026-07 unverdicted novelty 6.0

    Removes radiality and compact support assumptions on the interaction potential while proving BEC and Bogoliubov spectrum convergence for the 3D torus Bose gas in the Gross-Pitaevskii regime.

  3. A Note on the Construction of Trial States for the Dilute Bose Gas

    math-ph 2026-05 unverdicted novelty 2.0

    A review and simplified derivation of the Lee-Huang-Yang correction as an upper bound on the ground-state energy of the dilute Bose gas via local particle-number cutoff trial states.