Two-particle insertion on the state carrier #
Insert the same one-particle vector in two distinct coordinates.
The two-particle insertion has its literal nested product representative.
noncomputable def
LiebThirring.doubleParticleInsertion
{N q : ℕ}
(i j : Fin N)
(hij : i ≠ j)
(f : ↥(MeasureTheory.Lp (EuclideanSpace ℂ (Fin q)) 2 MeasureTheory.volume))
:
Insert the same one-particle vector in two distinct coordinates.
Equations
Instances For
theorem
LiebThirring.doubleParticleInsertion_apply_ae
{N q : ℕ}
(i j : Fin N)
(hij : i ≠ j)
(f : ↥(MeasureTheory.Lp (EuclideanSpace ℂ (Fin q)) 2 MeasureTheory.volume))
(v : PairRestState i j q)
:
∀ᵐ (x : Position), ∀ (s : Fin q),
∀ᵐ (z : Position), ∀ (r : Fin q),
∀ᵐ (y : OtherPairConfiguration i j), ∀ (t : OtherPairSpinLabels i j q),
(↑↑((doubleParticleInsertion i j hij f) v) (insertParticlePair i j x z y)).ofLp (insertSpinPair i j s r t) = (↑↑f x).ofLp s * (↑↑f z).ofLp r * (↑↑v y).ofLp t
The two-particle insertion has its literal nested product representative.
theorem
LiebThirring.simultaneousPermutation_doubleParticleInsertion
{N q : ℕ}
(i j : Fin N)
(hij : i ≠ j)
(f : ↥(MeasureTheory.Lp (EuclideanSpace ℂ (Fin q)) 2 MeasureTheory.volume))
(v : PairRestState i j q)
:
simultaneousPermutation (Equiv.swap i j) ((doubleParticleInsertion i j hij f) v) = (doubleParticleInsertion i j hij f) v
Exchanging the two inserted coordinates fixes the double insertion.