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Orthonormal Strichartz estimates for Schr\"odinger operator and their applications to infinitely many particle systems

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arxiv 2312.08314 v1 pith:MP7KQHWX submitted 2023-12-13 math-ph math.APmath.MP

classification math-phmath.APmath.MP
keywords estimatesstrichartzodingeroperatororthonormalpotentialsschrfirst
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We develop an abstract perturbation theory for the orthonormal Strichartz estimates, which were first studied by Frank-Lewin-Lieb-Seiringer. The method used in the proof is based on the duality principle and the smooth perturbation theory by Kato. We also deduce the refined Strichartz estimates for the Schr\"odinger operator in terms of the Besov space. Finally we prove the global existence of a solution for the Hartree equation with electromagnetic potentials describing the dynamics of infinitely many fermions. This would be the first result on the orthonormal Strichartz estimates for the Schr\"odinger operator with general time-independent potentials including very short range and inverse square type potentials.

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Cited by 2 Pith papers

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

  1. Maximal estimates for orthonormal systems of wave equations with sharp regularity

    math.AP 2025-08 conditional novelty 7.0 of 10

    In d=3, the maximal estimate (1.8) is proved for all s > max{s_d(q), s_d(2β)}, confirming the conjecture; sharp β-ranges are also obtained for d≥4 and d=2.

  2. Uniform dispersive estimates for the semi-classical Hartree equation with long-range interaction

    math.AP 2025-07 reject novelty 7.0 of 10

    Small-data solutions of the semiclassical Hartree equation with long-range interaction satisfy the uniform-in-hbar optimal density decay ||rho(t)||_{L∞} ≲ <t>^{-3}.

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