Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Nivesvivat, Rongvoram"'
Publikováno v:
SciPost Phys. 17, 029 (2024)
In two-dimensional critical loop models, including the $O(n)$ and Potts models, the spectrum is exactly known, as are a few structure constants or ratios thereof. Using numerical conformal bootstrap methods, we study $235$ of the simplest 4-point str
Externí odkaz:
http://arxiv.org/abs/2311.17558
Publikováno v:
SciPost Phys. 16, 111 (2024)
Using methods from the conformal bootstrap, we study the properties of Noether currents in the critical $O(n)$ loop model. We confirm that they do not give rise to a Kac-Moody algebra (for $n\neq 2$), a result expected from the underlying lack of uni
Externí odkaz:
http://arxiv.org/abs/2310.11064
Autor:
Grans-Samuelsson, Linnea, Jacobsen, Jesper Lykke, Nivesvivat, Rongvoram, Ribault, Sylvain, Saleur, Hubert
Publikováno v:
SciPost Phys. 15, 147 (2023)
In two-dimensional statistical physics, correlation functions of the O(N) and Potts models may be written as sums over configurations of non-intersecting loops. We define sums associated to a large class of combinatorial maps (also known as ribbon gr
Externí odkaz:
http://arxiv.org/abs/2302.08168
Autor:
Nivesvivat, Rongvoram
Publikováno v:
SciPost Phys. 14, 155 (2023)
The Potts conformal field theory is an analytic continuation in the central charge of conformal field theory describing the critical two-dimensional $Q$-state Potts model. Four-point functions of the Potts conformal field theory are dictated by two c
Externí odkaz:
http://arxiv.org/abs/2205.09349
Autor:
Grans-Samuelsson, Linnea, Nivesvivat, Rongvoram, Jacobsen, Jesper Lykke, Ribault, Sylvain, Saleur, Hubert
Publikováno v:
SciPost Phys. 12, 147 (2022)
We define the two-dimensional $O(n)$ conformal field theory as a theory that includes the critical dilute and dense $O(n)$ models as special cases, and depends analytically on the central charge. For generic values of $n\in\mathbb{C}$, we write a con
Externí odkaz:
http://arxiv.org/abs/2111.01106
Publikováno v:
SciPost Phys. 10, 021 (2021)
Using derivatives of primary fields (null or not) with respect to the conformal dimension, we build infinite families of non-trivial logarithmic representations of the conformal algebra at generic central charge, with Jordan blocks of dimension $2$ o
Externí odkaz:
http://arxiv.org/abs/2007.04190
Akademický článek
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Akademický článek
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Autor:
Evnin, Oleg, Nivesvivat, Rongvoram
Publikováno v:
J. Phys. A 50 (2017) 015202
We give a solution to the long-standing problem of constructing the generators of hidden symmetries of the quantum Higgs oscillator, a particle on a d-sphere moving in a central potential varying as the inverse cosine-squared of the polar angle. This
Externí odkaz:
http://arxiv.org/abs/1604.00521
Autor:
Evnin, Oleg, Nivesvivat, Rongvoram
Publikováno v:
JHEP 1601 (2016) 151
Dynamics of small-amplitude perturbations in the global anti-de Sitter (AdS) spacetime is restricted by selection rules that forbid effective energy transfer between certain sets of normal modes. The selection rules arise algebraically because some i
Externí odkaz:
http://arxiv.org/abs/1512.00349