2016
DOI: 10.1007/jhep11(2016)138
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On W algebras commuting with a set of screenings

Abstract: Abstract:We consider the problem of classification of all W algebras which commute with a set of exponential screening operators. Assuming that the W algebra has a nontrivial current of spin 3, we find equations satisfied by the screening operators and classify their solutions.

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Cited by 42 publications
(76 citation statements)
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“…Moreover, we assume that only odd-spin integrals of motion are present: I free 2k = 0, because this is what we expect for the theory which has O(N ) symmetry in some limit. With these conditions specified one can find a series of solutions for every N ≥ 3 which depends on a continuous parameter b (see appendix A and [22] for more details). Since the cases N = 2n + 1 and N = 2n + 2 are different we consider them separately.…”
Section: Dual Lagrangiansmentioning
confidence: 99%
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“…Moreover, we assume that only odd-spin integrals of motion are present: I free 2k = 0, because this is what we expect for the theory which has O(N ) symmetry in some limit. With these conditions specified one can find a series of solutions for every N ≥ 3 which depends on a continuous parameter b (see appendix A and [22] for more details). Since the cases N = 2n + 1 and N = 2n + 2 are different we consider them separately.…”
Section: Dual Lagrangiansmentioning
confidence: 99%
“…It changes the roots α s →α s as well as shifts the charges of the exponential fields according to a → a + α r . As explained in [22], the operator R r can be lifted to the operator, called fermionic reflection operator, acting on the total "off-shell" correlation functions. Therefore it serves as an isomorphism between different conformal field theories, corresponding to different root systems.…”
Section: Conformal Field Theory Reflection Operatormentioning
confidence: 99%
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“…The first principle quantization of such theories seems to be a very interesting problem. In the recent works [109,110], an important step in this direction was taken where a one parameter deformation was found of the set of "circular brane" local integrals of motion introduced in ref. [111].…”
Section: Jhep01(2018)021mentioning
confidence: 99%
“…The quotient of U q (gl 1 ) by the two-sided ideal generated by operators, which act as 0 on any such tensor product is a certain W algebra depending on three integer parameters k, n, m. These algebras (or, rather, their conformal limits) appear recently in [31], [22] in a different context, the formulas for screening operators for these algebras follows from the Lemmas 5.1, 5.2. We hope to study these algebras in more details elsewhere.…”
Section: Now We Want To Consider Tensor Productsmentioning
confidence: 99%