Zobrazeno 1 - 10
of 2 535
pro vyhledávání: '"Ferko, A."'
Autor:
Ferko, Christian, Hou, Jue, Morone, Tommaso, Tartaglino-Mazzucchelli, Gabriele, Tateo, Roberto
We study ${T\overline{T}}$-like deformations of $d>2$ Yang-Mills theories. The standard ${T\overline{T}}$ flows lead to multi-trace Lagrangians, and the non-Abelian gauge structures make it challenging to find Lagrangians in a closed form. However, w
Externí odkaz:
http://arxiv.org/abs/2409.18740
We generalize the auxiliary field deformations of the principal chiral model (PCM) introduced in arXiv:2405.05899 and arXiv:2407.16338 to sigma models whose target manifolds are symmetric or semi-symmetric spaces, including a Wess-Zumino term in the
Externí odkaz:
http://arxiv.org/abs/2409.05704
We revisit the computation of the string partition function in AdS$_3$ focussing on the appearance of spacetime (super) symmetries. We show how the asymptotic symmetries of the AdS$_3$ spacetime, which generate the boundary (super) Virasoro currents,
Externí odkaz:
http://arxiv.org/abs/2408.14567
We combine the Yang-Baxter deformation with higher-spin auxiliary field deformations to construct a multi-parameter family of integrable deformations of the principal chiral model on a Lie group $G$ with semi-simple Lie algebra $\mathfrak{g}$. Our co
Externí odkaz:
http://arxiv.org/abs/2408.09714
We construct a new infinite family of integrable deformations of the principal chiral model (PCM) parameterized by an interaction function of several variables, which extends the formalism of arXiv:2405.05899, and includes deformations of the PCM by
Externí odkaz:
http://arxiv.org/abs/2407.16338
We initiate the study of the interplay between T-duality and classical stress tensor deformations in two-dimensional sigma models. We first show that a general Abelian T-duality commutes with the $T \overline{T}$ deformation, which can be engineered
Externí odkaz:
http://arxiv.org/abs/2407.11636
Autor:
Ferko, Christian, Martin, Cian Luke
We prove that a $4d$ theory of non-linear electrodynamics has equations of motion which are equivalent to those of the Maxwell theory in curved spacetime, but with the usual metric $g_{\mu \nu}$ replaced by a unit-determinant metric $h_{\mu \nu} ( F
Externí odkaz:
http://arxiv.org/abs/2406.17194
Autor:
Ferko, Christian, Smith, Liam
Publikováno v:
Phys. Rev. Lett. 133 (2024), 131602
We introduce a class of sigma models in two spacetime dimensions which are parameterized by an interaction function of one real variable. In addition to the physical group-valued field $g$, these models include an auxiliary vector field $v_\alpha$ wh
Externí odkaz:
http://arxiv.org/abs/2405.05899
Publikováno v:
Phys. Rev. D 110 (2024), 046005
We study interacting theories of $N$ left-moving and $\overline{N}$ right-moving Floreanini-Jackiw bosons in two dimensions. A parameterized family of such theories is shown to enjoy (non-manifest) Lorentz invariance if and only if its Lagrangian obe
Externí odkaz:
http://arxiv.org/abs/2403.18242
Autor:
Ferko, Christian, Kuzenko, Sergei M., Lechner, Kurt, Sorokin, Dmitri P., Tartaglino-Mazzucchelli, Gabriele
Publikováno v:
JHEP 05 (2024) 320
In this paper we initiate the study of six-dimensional non-linear chiral two-form gauge theories as deformations of free chiral two-form gauge theories driven by stress-tensor $T\overline T$-like flows. To lay the background for this study, we elabor
Externí odkaz:
http://arxiv.org/abs/2402.06947