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Bertrand Delamotte

Pierre-and-Marie-Curie University
University of Paris

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Failure of the Large $N$ Analysis of the O($N$) Models: Nonperturbative Cuspy Fixed Points and their Nontrivial Homotopy at finite $N$.

2021 arXiv: High Energy Physics - Theory
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The finite $N$ origin of the Bardeen-Moshe-Bander phenomenon and its extension at $N=\infty$ by singular fixed points

2020 Physical Review D
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Convergence of Non-Perturbative Approximations to the Renormalization Group

2019 arXiv: Statistical Mechanics
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Comment on "A structural test for the conformal invariance of the critical 3d Ising model" by S. Meneses, S. Rychkov, J. M. Viana Parente Lopes and P. Yvernay. arXiv:1802.02319.

2018 arXiv: High Energy Physics - Theory
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Why Might the Standard Large N Analysis Fail in the O ( N ) Model: The Role of Cusps in Fixed Point Potentials

2018 Physical Review Letters
- Shunsuke Yabunaka
- Bertrand Delamotte
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Naturally light scalar particles: a generic and simple mechanism

2018 arXiv: High Energy Physics - Phenomenology
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Comment on "A structural test for the conformal invariance of the critical 3d Ising model" by S. Meneses, S. Rychkov, J. M. Viana Parente Lopes and P. Yvernay. arXiv:0802.02319

2018 arXiv: High Energy Physics - Theory
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Surprises in the O(N) models: Nonperturbative fixed points, large N limit and multi-criticality

2017
- Shunsuke Yabunaka
- Bertrand Delamotte
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Frequency regulators for the nonperturbative renormalization group: A general study and the model A as a benchmark

2017 Physical Review E
- Charlie Duclut
- Bertrand Delamotte
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Surprises in $O(N)$ Models: Nonperturbative Fixed Points, Large $N$ Limits, and Multicriticality

2017 Physical Review Letters
- Shunsuke Yabunaka
- Bertrand Delamotte
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Citations (38)