OAI/Probability/InvariantIsing/Pressure/ThermalPressure.lean
8 declarations, 0 contain sorry, 0 declared as axioms
Temperature differentiation for the actual finite Ising pressure.
- lemma
OAI.InvariantIsing.rotatedEnergy_scaleline 15 - lemma
OAI.InvariantIsing.abs_rotatedEnergy_leline 21 - lemma
OAI.InvariantIsing.GibbsReference_oneline 27 - def
OAI.InvariantIsing.thermalPressureDerivativeline 31 - lemma
OAI.InvariantIsing.hasDerivAt_rotatedPressure_temperatureline 35 - lemma
OAI.InvariantIsing.abs_thermalPressureDerivative_leline 54 - lemma
OAI.InvariantIsing.measurable_thermalPressureDerivativeline 68 - theorem
OAI.InvariantIsing.hasDerivAt_mean_pressure_temperatureline 79Source documentation
Differentiation commutes with the disorder expectation. The bound is uniform in the field and does not require Haar invariance.
theorem hasDerivAt_mean_pressure_temperature {N : ℕ} (hN : 0 < N) {Ω : Type*} [MeasurableSpace Ω] (P : Measure Ω) [IsProbabilityMeasure P] (U : Ω → SpecialOrthogonal N) (hU : Measurable U) (eig c : Fin N → ℝ) (K : ℝ) (heig : ∀ i, |eig i| ≤ K) (t : ℝ) : HasDerivAt (fun s => ∫ ω, rotatedPressure (fun i => s * eig i) (specialRotation (U ω)) c ∂P) (∫ ω, thermalPressureDerivative eig c (specialRotation (U ω)) t ∂P) t := by …Mentions: OAI.InvariantIsing.SpecialOrthogonal, OAI.InvariantIsing.specialRotation, OAI.InvariantIsing.thermalPressureDerivative