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Quentin Barthélemy

As seen in: Physical Review B
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Articles

Equivariant Splitting: Self-supervised learning from incomplete data

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By Quentin Barthélemy, Patrice Abry, Jérémy Scanvic, Julián Tachella
| arXiv
arXiv:2510.00929 (cs) View PDF Subjects: Computer Vision and Pattern Recognition (cs.CV) Cite as: arXiv:2510.00929 [cs.CV] (or arXiv:2510.00929v1 [cs.CV] for this version) https://doi.org/10.48550/arXiv.2510.00929 Submission history From: Jérémy Scanvic [ view email] [v1] Wed, 1 Oct 2025 14:08:17 UTC (1,197 KB) Bibliographic Tools Bibliographic Explorer Toggle Bibliographic Explorer () Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is...
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From spin liquid to magnetic ordering in the anisotropic kagome Y-kapellasite ${\mathrm{Y}}_{3}{\mathrm{Cu}}_{9}{(\mathrm{OH})}_{19}{\mathrm{Cl}}_{8}$: A single-crystal study

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By Dipranjan Chatterjee, Pascal Puphal, Quentin Barthélemy
| Physical Review B
Abstract Y3Cu9(OH)19Cl8 realizes an original anisotropic kagome model hosting a rich magnetic phase diagram [Hering et al., npj Comput. Mater. 8, 10 (2022)]. We present an improved synthesis of large phase-pure single crystals via an external gradient method. These crystals were investigated in detail by susceptibility, specific heat, thermal expansion, neutron scattering, and local μSR and NMR techniques.
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Heat conduction in herbertsmithite: Field dependence at the onset of the quantum spin liquid regime

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By Quentin Barthélemy, Institut quantique, Université de Sherbrooke, Étienne Lefrançois
| Physical Review B
Abstract We report thermal conductivity measurements on single crystals of herbertsmithite, over a wide range of temperatures (0.05–120 K) in magnetic fields up to 15 T. We also report measurements of the thermal Hall effect, found to be vanishingly small. At high temperatures, in the paramagnetic regime, the thermal conductivity has a negligible field dependence.
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