Chapter XI. Spin, Spinc and Similar Nonsense

Carl S. Helrich

V. E. Korepin, N. M. Bogoliubov, Anatoli G. Izergin

Introduction The aim of this chapter is to obtain the determinant representation for the equal-time correlation function 〈Ψ † ( x )Ψ(0)〉 in the nonrelativistic one-dimensional Bose gas (NS model). To apply the approach of the previous chapters, one has to introduce local fields Ψ † ( x ), Ψ(0) into the two-site generalized model. This is done in section 1. In section 2, the formula for the matrix elements of the operator Ψ † ( x )Ψ(0) in the generalized model are derived. In terms of the auxiliary quantum fields introduced in section 3, this formula is transformed to the vacuum mean value of the determinant with respect to the vacuum in the auxiliary Fock space. The determinant representation for the mean value of the operator Ψ † ( x )Ψ(0) with respect to the N -particle Bethe eigenstate is derived in section 4. The derivation is similar to that of the previous chapter. It is also similar to that of section 6 of Chapter IX. The derivation is based on the representation of the determinant of the sum of two matrices in terms of the minors of the individual matrices. The explicit formula is given in the Appendix to Chapter IX. In section 5 expressions for the correlation function in the ground state of the one-dimensional Bose gas (zero and finite temperature) are obtained and the thermodynamic limit is also considered. Local fields in the generalized model To consider local quantum fields Ψ † ( x )Ψ(0) in the frame of the two-site generalized model, one has to clarify the structure of the monodromy matrices T(1|λ), T(2|λ) (see section XI.1, formulæe (XI.1.6)–(XI.1.12)).

J.P. Charlton Jr.

We unify the Pauli, Born, and Bell “brick” arguments of the Charlton Geometry (CG) series into a single Spinc–holonomy framework in which (i) the Clifford/Spin lift is canonical, (ii) the Z2 exchange sign is determined from defect microstructure rather than selected as an allowed option, and (iii) the U(1) phase sector arises as intrinsic monodromy of the CG connection. The central result is a defect Spinc–holonomy determination theorem: localized ω-defects canonically induce a Spinc structure on indistinguishable configuration spaces, together with defect-determined invariants (ν, θ) controlling exchange holonomy and phase monodromy. From this we derive (a) Pauli exclusion on the ν = 1 branch, (b) Born uniqueness as the invariant pushforward of Haar measure on Z2 °ø U(1) under rotational covariance and the spinorial half-angle constraint, and (c) the precise location of Bell–CHSH as a theorem of the factorizable subclass of quotients, with violation corresponding to shared-lift coupling. We include an explicit obligation-closure map showing which lemmas discharge the open obligations stated in Charlton 2026a–2026c.

J. P. Charlton

We unify the Pauli, Born, and Bell “brick” arguments of the Charlton Geometry (CG) series into a single Spinc–holonomy framework in which (i) the Clifford/Spin lift is canonical, (ii) the Z2 exchange sign is determined from defect microstructure rather than selected as an allowed option, and (iii) the U(1) phase sector arises as intrinsic monodromy of the CG connection. The central result is a defect Spinc–holonomy determination theorem: localized ω-defects canonically induce a Spinc structure on indistinguishable configuration spaces, together with defect-determined invariants (ν, θ) controlling exchange holonomy and phase monodromy. From this we derive (a) Pauli exclusion on the ν = 1 branch, (b) Born uniqueness as the invariant pushforward of Haar measure on Z2 °ø U(1) under rotational covariance and the spinorial half-angle constraint, and (c) the precise location of Bell–CHSH as a theorem of the factorizable subclass of quotients, with violation corresponding to shared-lift coupling. We include an explicit obligation-closure map showing which lemmas discharge the open obligations stated in Charlton 2026a–2026c. Original DOI: 10.5281/zenodo.18216845 Version: 0.9.0

Giampiero V. M. Esposito, Giuseppe Marmo, George Sudarshan