Publications

Statistics and general informations:

Papers: 26 (+ 4 submitted), Citations: 838, h-index: 13 (from Inspire, on April 2025).

You can access all my publications and citation metrics, preferentially on ADS and Inspire and also on Scholar, Arxiv and ResearchGate.

Selected publications (<10 authors and/or major contribution)

Moments and foregrounds

• Vacher, L., A. Carones, J. Aumont, Jens Chluba, N. Krachmalnicoff, C. Ranucci, M. Remazeilles, and A. Rizzieri. 2024. “How bad could it be? Modelling the 3D complexity of the polarised dust signal using moment expansion,” Submitted to A$\&$A . https://arxiv.org/abs/2411.11649.

• Vacher, L., J. Aumont, F. Boulanger, L. Montier, V. Guillet, A. Ritacco, and J. Chluba. 2023. “Frequency dependence of the thermal dust E/B ratio and EB correlation: Insights from the spin-moment expansion.” Astron. Astrophys. 672: A146. https://doi.org/10.1051/0004-6361/202245292.

• Vacher, L., J. Chluba, J. Aumont, A. Rotti, and L. Montier. 2023. “High precision modeling of polarized signals: Moment expansion method generalized to spin-2 fields.” Astron. Astrophys. 669: A5. https://doi.org/10.1051/0004-6361/202243913.

• Vacher, L., J. Aumont, L. Montier, S. Azzoni, F. Boulanger, and M. Remazeilles. 2022. “Moment expansion of polarized dust SED: A new path towards capturing the CMB B-modes with LiteBIRD.” Astron. Astrophys. 660: A111. https://doi.org/10.1051/0004-6361/202142664.

• Fuskeland, U. et al. 2023. “Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations.” Astron. Astrophys. 676: A42. https://doi.org/10.1051/0004-6361/202346155.

• B. Régaldo-Saint Blancard, E. Allys, C. Auclair, F. Boulanger, M. Eickenberg, F. Levrier, L. Vacher, and S. Zhang. 2023. “Generative Models of Multichannel Data from a Single Example: Application to Dust Emission.” Astrophys. J. 943 (1): 9. https://doi.org/10.3847/1538-4357/aca538.

• Ritacco, A., F. Boulanger, V. Guillet, J.M. Delouis, J.L. Puget, J. Aumont, and L. Vacher. 2023. “Dust polarization spectral dependence from Planck HFI data - Turning point for cosmic microwave background polarization-foreground modeling.” Astron. Astrophys. 670: A163. https://doi.org/10.1051/0004-6361/202244269.

Fundamental constants and gravity theory

• Vacher, L., and N. Schöneberg. 2024. “Incompatibility of fine-structure constant variations at recombination with local observations.” Phys. Rev. D 109 (10): 103520. https://doi.org/10.1103/PhysRevD.109.103520.

• Vacher, L., N. Schöneberg, J. D. F. Dias, C. J. A. P. Martins, and F. Pimenta. 2023. “Runaway dilaton models: Improved constraints from the full cosmological evolution.” Phys. Rev. D 107 (10): 104002. https://doi.org/10.1103/PhysRevD.107.104002.

• Vacher, L., J. F. Dias, N. Schöneberg, C. J. A. P. Martins, S. Vinzl, S. Nesseris, G. Cañas-Herrera, and M. Martinelli. 2022. “Constraints on extended Bekenstein models from cosmological, astrophysical, and local data.” Phys. Rev. D 106 (8): 083522. https://doi.org/10.1103/PhysRevD.106.083522.

• Di Valentino E. et al. 2025. “ The CosmoVerse White Paper:Addressing observational ten- sions in cosmology with systematics and fundamental physics”, Submitted to hysics of the Dark Universe. https://arxiv.org/abs/2504.01669.

• Schöneberg, N., and L. Vacher. 2024. “The mass effect – Variations of masses and their impact on cosmology,” Submitted to JCAP. https://arxiv.org/abs/2407.16845.

• Schöneberg, N., L. Vacher, J. D. F. Dias, Martim M. C. D. Carvalho, and C. J. A. P. Martins. 2023. “News from the Swampland constraining string theory with astrophysics and cosmology.” JCAP 10: 039. https://doi.org/10.1088/1475-7516/2023/10/039.

• Dias, J. D. F., N. Schöneberg, L. Vacher, C. J. A. P. Martins, and S. Vinzl. 2024. “A speed limit on tachyon fields from cosmological and fine-structure data.” JCAP 11: 030. https://doi.org/10.1088/1475-7516/2024/11/030.

• Martins, C. J. A. P., and L. Vacher. 2019. “Astrophysical and local constraints on string theory: Runaway dilaton models.” Phys. Rev. D 100 (12): 123514. https://doi.org/10.1103/PhysRevD.100.123514.

Systematic effects and other CMB related topics

• Takase, Y., L. Vacher. et al. 2024. “Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission,” JCAP: 12 036, https://doi.org/10.1088/1475-7516/2024/12/036.

Collaboration papers

LiteBIRD

• De la Hoz, E. et al. 2025. “LiteBIRD Science Goals and Forecasts: constraining isotropic cosmic birefringence.,” https://arxiv.org/abs/2503.00636.

• Carralot, F. et al. 2024. “Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation,”. JCAP 01: 019.

https://arxiv.org/abs/2411.02080.

• Campeti, P. et al. 2024. “LiteBIRD science goals and forecasts. A case study of the origin of primordial gravitational waves using large-scale CMB polarization.” JCAP 06: 008. https://doi.org/10.1088/1475-7516/2024/06/008.

• Leloup, C. et al. 2024. “Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD.” JCAP 06: 011. https://doi.org/10.1088/1475-7516/2024/06/011.

• Lonappan, A. I. et al. 2024. “LiteBIRD science goals and forecasts: a full-sky measurement of gravitational lensing of the CMB.” JCAP 06: 009. https://doi.org/10.1088/1475-7516/2024/06/009.

• Namikawa, T. et al. 2024. “LiteBIRD science goals and forecasts: improving sensitivity to inflationary gravitational waves with multitracer delensing.” JCAP 06: 010. https://doi.org/10.1088/1475-7516/2024/06/010.

• Paoletti, D. et al. 2024. “LiteBIRD science goals and forecasts: primordial magnetic fields.” JCAP 07: 086. https://doi.org/10.1088/1475-7516/2024/07/086.

• Remazeilles, M. et al. 2024. “LiteBIRD Science Goals and Forecasts. Mapping the Hot Gas in the Universe,” https://arxiv.org/abs/2407.17555.

• Allys, E. et al. 2023. “Probing Cosmic Inflation with the LiteBIRD Cosmic Microwave Background Polarization Survey.” PTEP 2023 (4): 042F01. https://doi.org/10.1093/ptep/ptac150.

• Lonappan, A. I. et al. 2023. “LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB,” https://arxiv.org/abs/2312.05184.

• Namikawa, T. et al. 2023. “LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing,” https://arxiv.org/abs/2312.05194.

• Hubmayr, J. et al. 2022. “Optical Characterization of OMT-Coupled TES Bolometers for LiteBIRD.” J. Low Temp. Phys. 209 (3-4): 396–408. https://doi.org/10.1007/s10909-022-02808-7.

• Krachmalnicoff, N. et al. 2022. “In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications.” JCAP 01 (01): 039. https://doi.org/10.1088/1475-7516/2022/01/039.

• Vielva, P. et al. 2022. “Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite.” JCAP 04 (04): 029. https://doi.org/10.1088/1475-7516/2022/04/029.

Simons Observatory

• Abitbol, M. et al. 2025. “The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope.” Submitted to JCAP. https://arxiv.org/abs/2503.00636.

Euclid

• Mellier, Y. et al. 2024. “ Euclid. I. Overview of the Euclid mission,”. https://arxiv.org/abs/2405.13491.