On the dynamics of protected ramond ground states in the D1-D5 CFT

Lima, A. A.; Sotkov, G. M.; Stanishkov, M.

doi:10.1007/jhep07(2021)120

Cited by 16 publications

(24 citation statements)

References 74 publications

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“…For other works about lifting of states, see [47,48,[74][75][76][77][78][79][80][81]. We will also show that states related by spectral flow have the same amount of lift.…”

Section: The Gava-narain Methodsmentioning

confidence: 55%

Partial Spectral Flow in the D1D5 CFT

Guo,

Hampton

2021

Preprint

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The two-dimensional N = 4 superconformal algebra has a free field realization with four bosons and four fermions. There is an automorphism of the algebra called spectral flow. Under spectral flow, the four fermions are transformed together. In this paper, we study partial spectral flow where only two of the four fermions are transformed. Partial spectral flow is applied to the D1D5 CFT where a marginal deformation moves the CFT away from the free point. The partial spectral flow is broken by the deformation. We show that this effect can be studied due to a transformation of the deformation which is well-defined under partial spectral flow. As a result in the spectrum, we demonstrate how to compute the second-order energy lift of D1D5P states from their partial spectral flowed states. We find that D1D5P states related by partial spectral flow do not have the same lift in general.

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“…For other works about lifting of states, see [47,48,[74][75][76][77][78][79][80][81]. We will also show that states related by spectral flow have the same amount of lift.…”

Section: The Gava-narain Methodsmentioning

confidence: 55%

Partial Spectral Flow in the D1D5 CFT

Guo,

Hampton

2021

Preprint

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“…By carefully making this identification, we derive all HLLH correlators for light operators in chiral multiplets, in the AdS 3 limit. We find exact and highly non-trivial agreement with the small subset of known examples [13,27,28]. We further identify the precise relation with the HCFT at the symmetric orbifold locus.…”

supporting

confidence: 59%

“…More general light operators and values of s ± can be treated analogously. The relevant four-point function was studied recently in [28,45,46] in the Sym N (T 4 ) CFT. At large N the correlator is dominated by a contribution from a covering space with genus zero.…”

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confidence: 99%

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Worldsheet Correlators in Black Hole Microstates

Bufalini¹,

Iguri²,

Kovensky³

et al. 2022

Preprint

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Light probes interacting with heavy bound states such as black holes give rise to interesting observables containing valuable dynamical information. Recently, a family of black hole microstates was shown to admit an exact string worldsheet description. We construct the physical vertex operators of these models, and derive their form in the low-energy AdS3 limit. We then compute an extensive set of novel heavy-light correlators in these backgrounds. A subset of these provide the first match between worldsheet correlators in black hole microstates and the holographically dual conformal field theory, in a highly non-trivial way. We further conjecture a closed formula for heavy-light correlators with an arbitrary number of light insertions. As an application, we compute the analogue of the Hawking radiation rate for these microstates.

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“…In section 3, we apply the language developed in section 2 for generic Q-point functions, to study (1.2) in full detail. Generalizing our previous works [40,41], where similar functions were considered, here we work at the level of M N /S N orbifolds, i.e. focusing only on the twists, not on the specific form of the fields X ζ…”

Section: A Summary Of Our Resultsmentioning

confidence: 99%

Four-point functions with multi-cycle fields in symmetric orbifolds and the D1-D5 CFT

Lima

Sotkov

Stanishkov

2022

J. High Energ. Phys.

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We study SN-invariant four-point functions with two generic multi-cycle fields and two twist-2 fields, at the free orbifold point of the D1-D5 CFT. We derive the explicit factorization of these functions following from the action of the symmetric group on the composite multi-cycle fields. Apart from non-trivial symmetry factors that we compute, the function with multi-cycle operators is reduced to a sum of connected correlators in which the composite fields have, at most, two cycles. The correlators with two double-cycle and two single-cycle fields give the leading order contribution in the large-N limit. We derive explicit formulas for these functions, encompassing a large class of choices for the single- and the double-cycle fields, including generic Ramond ground states, NS chiral fields and the marginal deformation operator. We are thus able to extract important dynamical information from the short-distance OPEs: conformal dimensions, R-charges and structure constants of families of BPS and non-BPS fields present in the corresponding light-light and heavy-light channels. We also discuss properties of generic multi-cycle Q-point functions in MN/SN orbifolds, using a technology due to Pakman, Rastelli and Razamat.

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On the dynamics of protected ramond ground states in the D1-D5 CFT

Cited by 16 publications

References 74 publications

Partial Spectral Flow in the D1D5 CFT

Partial Spectral Flow in the D1D5 CFT

Worldsheet Correlators in Black Hole Microstates

Four-point functions with multi-cycle fields in symmetric orbifolds and the D1-D5 CFT

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