Analytic bounds for the positive Voronoi face measure #
The explicit Voronoi face charge satisfies the finite-mass, energy, and decay bounds required by the potential argument.
theorem
LiebThirring.coulombPotential_voronoiFaceMeasure_lt_top
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
(x : Position)
:
The actual face potential is everywhere finite, including at face points.
theorem
LiebThirring.coulombEnergy_voronoiFaceMeasure_lt_top
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
:
Self-energy is finite as a consequence of the proved uniform potential bound.
theorem
LiebThirring.continuous_toReal_coulombPotential_voronoiFaceMeasure
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
:
Continuous fun (x : Position) => (coulombPotential (voronoiFaceMeasure R hR Z) x).toReal
The finite potential, regarded as a real function, is also continuous.
theorem
LiebThirring.coulombPotential_nuclearFaceMeasure_decay
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
(k l : Fin M)
(hkl : k ≠ l)
(x : Position)
:
coulombPotential (nuclearFaceMeasure R hR Z k l hkl) x ≤ ENNReal.ofReal
((4 * Real.pi * nuclearFaceDensityBound R Z k l + 6 * Z + 16 * Real.pi * nuclearFaceDecayCoefficient R Z k l) / (1 + ‖x‖))
Apply cubic density decay and the exact planar kernel estimate to one face.
theorem
LiebThirring.coulombPotential_voronoiFaceMeasure_decay
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
(x : Position)
:
coulombPotential (voronoiFaceMeasure R hR Z) x ≤ ENNReal.ofReal (voronoiDecayCoefficient R Z / (1 + ‖x‖))
Equation (6.2), with an explicit coefficient depending only on the nuclei and charge.
theorem
LiebThirring.tendsto_coulombPotential_voronoiFaceMeasure_zero
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
:
Filter.Tendsto (coulombPotential (voronoiFaceMeasure R hR Z)) (Bornology.cobounded Position) (nhds 0)
The decay at infinity used in the potential identity.
theorem
LiebThirring.tendsto_toReal_coulombPotential_voronoiFaceMeasure_zero
{M : ℕ}
(R : Fin M → Position)
(hR : Function.Injective R)
{Z : ℝ}
(hZ : 0 ≤ Z)
:
Filter.Tendsto (fun (x : Position) => (coulombPotential (voronoiFaceMeasure R hR Z) x).toReal)
(Bornology.cobounded Position) (nhds 0)
The finite real-valued potential tends to zero at infinity as well.