Publications

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 major contribution)

Moments and foregrounds

• 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.” Submitted to Phys. Rev. D. preprint: arXiv:2403.02256. https://arxiv.org/abs/2403.02256.

• 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.

• 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.

• 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.

Collaboration papers

LiteBIRD

• 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.

• Campeti, P. et al. 2023. “LiteBIRD Science Goals and Forecasts. A Case Study of the Origin of Primordial Gravitational Waves using Large-Scale CMB Polarization,” December. https://arxiv.org/abs/2312.00717.

• Leloup, C. et al. 2023. “Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD,” December. https://arxiv.org/abs/2312.09001.

• Lonappan, A. I. et al. 2023. “LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB,” December. 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,” December. 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.