`BookProof.FockFieldPerturbation.fieldVec_vac` (k : ℕ) : fieldVec (Finsupp.single k 1) vac = Finsupp.single (Finsupp.single k 1) (1 : ℂ)

Proved

BookProof.FockFieldPerturbation.fieldVec_vac

by leonardopedro · Oct 17, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterFockFieldPerturbation.

BookProof.FockFieldPerturbation.fieldVec_vac (k : ℕ) : fieldVec (Finsupp.single k 1) vac = Finsupp.single (Finsupp.single k 1) (1 : ℂ)

Formalization note: Lean 4 identifier BookProof.FockFieldPerturbation.fieldVec_vac.

Preamble

-- Generated from ChapterFockFieldPerturbation.lean — theorem BookProof.FockFieldPerturbation.fieldVec_vac
import Definitions.Def_ChapterFockNumberPreservingGap
import Definitions.Def_ChapterFockInteractionStability
import Mathlib
import Definitions.Def_ChapterFockFieldPerturbation
import Definitions.Def_ChapterFockOneParticleGap
import Definitions.Def_ChapterFockSecondQuantization
open BookProof.FockOneParticleGap
open BookProof.FockSecondQuantization
open BookProof.FockFieldPerturbation


noncomputable section


open BookProof.FockSecondQuantization BookProof.FockOneParticleGap
open BookProof.FockNumberPreservingGap BookProof.FockInteractionStability

Formal statement

theorem BookProof.FockFieldPerturbation.fieldVec_vac (k : ℕ) :
    fieldVec (Finsupp.single k 1) vac = Finsupp.single (Finsupp.single k 1) (1 : ℂ) := by sorry

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