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Title: T$$ \overline{T} $$ deformation in SCFTs and integrable supersymmetric theories

Journal Article · · Journal of High Energy Physics (Online)
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]
  1. Univ. of California, Los Angeles, CA (United States). Mani L. Bhaumik Institute for Theoretical Physics; Univ. of California, Los Angeles, CA (United States)
  2. Univ. of California, Berkeley, CA (United States). Dept. of Physics. Center for Theoretical Physics; Univ. of Texas, Austin, TX (United States). Dept. of Physics
  3. Univ. of California, San Diego, CA (United States). Dept. of Physics

We calculate the \( \mathcal{S} \)-multiplets for two-dimensional Euclidean \( \mathcal{N} \) = (0, 2) and \( \mathcal{N} \) = (2, 2) superconformal field theories under the T\( \overline{T} \) deformation at leading order of perturbation theory in the deformation coupling. Then, from these \( \mathcal{N} \) = (0, 2) deformed multiplets, we calculate two- and three-point correlators. We show the \( \mathcal{N} \) = (0, 2) chiral ring’s elements do not flow under the T\( \overline{T} \) deformation. Specializing to integrable supersymmetric seed theories, such as \( \mathcal{N} \) = (2, 2) Landau-Ginzburg models, we use the thermodynamic Bethe ansatz to study the S-matrices and ground state energies. From both an S-matrix perspective and Melzer’s folding prescription, we show that the deformed ground state energy obeys the inviscid Burgers’ equation. Finally, we show that several indices independent of D-term perturbations including the Witten index, Cecotti-Fendley-Intriligator-Vafa index and elliptic genus do not flow under the T\( \overline{T} \) deformation.

Research Organization:
Univ. of California, San Diego, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Simons Foundatoin
Grant/Contract Number:
SC0009919
OSTI ID:
1851197
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 9 Vol. 2021; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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