2019
DOI: 10.1016/j.aim.2019.04.032
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Affine Gaudin models and hypergeometric functions on affine opers

Abstract: We conjecture that quantum Gaudin models in affine types admit families of higher Hamiltonians, labelled by the (countably infinite set of) exponents, whose eigenvalues are given by functions on a space of meromorphic opers associated with the Langlands dual Lie algebra. This is in direct analogy with the situation in finite types. However, in stark contrast to finite types, we prove that in affine types such functions take the form of hypergeometric integrals, over cycles of a twisted homology defined by the … Show more

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Cited by 25 publications
(53 citation statements)
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“…According to the conjecture in [LVY], the HamiltoniansQ γ i can be diagonalized by means of the Bethe ansatz and have certain specific eigenvalues encoded by affine opers. ForQ γ 1 this is known; see [LVY,§5]. In the next two sections we perform a simple Bethe ansatz calculation to check that the conjecture is correct also forQ γ 2 at least for zero and one Bethe roots.…”
Section: This Is Actually a General Statement Which Holds For Any Vermentioning
confidence: 88%
“…According to the conjecture in [LVY], the HamiltoniansQ γ i can be diagonalized by means of the Bethe ansatz and have certain specific eigenvalues encoded by affine opers. ForQ γ 1 this is known; see [LVY,§5]. In the next two sections we perform a simple Bethe ansatz calculation to check that the conjecture is correct also forQ γ 2 at least for zero and one Bethe roots.…”
Section: This Is Actually a General Statement Which Holds For Any Vermentioning
confidence: 88%
“…Note that the spectrum of the first few lowest integrals of motion for the affine Gaudin model associated to sl(N ) was studied in the work [13], while for the case of an arbitrary Lie algebra some conjectures are formulated in ref. [12]. Also, the classical limit of H…”
Section: The Gaudin Limitmentioning
confidence: 99%
“…The space of g-opers is by definition the quotient of the set of connections op g by the gauge action ofB + (A): Recall from Section 5.3 the definition of the exponents j ∈ E of g and of the generators p j ∈ a + . The following result was established in [33], following [12,29]. (The proof in [33] is in the meromorphic setting, but the same proof goes through the case of the disc.…”
Section: Definition Of G-opersmentioning
confidence: 93%