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Leonardo Chataignier

Observed name: Chataignier, Leonardo
Observed institutions: University of the Basque Country, University of Cologne, Utrecht University, Centro Brasileiro de Pesquisas Físicas, Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, University of Bologna
ORCID: 0000-0001-6691-3695
Observed ORCID: 0000-0001-6691-3695
OpenAlex ID: A5066077149
Unitarity of quantum-gravitational corrections to primordial fluctuations in the Born-Oppenheimer approach
2021 · Leonardo Chataignier, Manuel Krämer · Physical review. D/Physical review. D. · 43
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Construction of quantum Dirac observables and the emergence of WKB time
2020 · Leonardo Chataignier · Physical review. D/Physical review. D. · 41
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Single-scale renormalisation group improvement of multi-scale effective potentials
2018 · Chataignier, Leonardo, Prokopec, Tomislav, et al. · Kölner Universitäts PublikationsServer (Universität zu Köln) · 36
Single-scale renormalisation group improvement of multi-scale effective potentials
2018 · Leonardo Chataignier, Tomislav Prokopec, et al. · Journal of High Energy Physics · 34
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Observations in quantum cosmology
2023 · Leonardo Chataignier, Claus Kiefer, et al. · Classical and Quantum Gravity · 32
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Relational observables, reference frames, and conditional probabilities
2021 · Leonardo Chataignier · Physical review. D/Physical review. D. · 26
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Regular black holes, universes without singularities, and phantom-scalar field transitions
2023 · Leonardo Chataignier, Alexander Yu. Kamenshchik, et al. · Physical review. D/Physical review. D. · 25
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Systematic analysis of radiative symmetry breaking in models with extended scalar sector
2018 · Leonardo Chataignier, Tomislav Prokopec, et al. · Journal of High Energy Physics · 25
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Systematic analysis of radiative symmetry breaking in models with extended scalar sector
2018 · Chataignier, Leonardo, Prokopec, Tomislav, et al. · Kölner Universitäts PublikationsServer (Universität zu Köln) · 24
Timeless Quantum Mechanics and the Early Universe
2022 · Leonardo Chataignier · Springer theses · 22
Gauge Fixing and the Semiclassical Interpretation of Quantum Cosmology
2019 · Chataignier, Leonardo · Kölner Universitäts PublikationsServer (Universität zu Köln) · 19
Time and its arrow from quantum geometrodynamics?
2024 · Claus Kiefer, Leonardo Chataignier, et al. · Journal of Physics Conference Series · 17
Gauge Fixing and the Semiclassical Interpretation of Quantum Cosmology
2019 · Leonardo Chataignier · Zeitschrift für Naturforschung A · 15
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Relaxation of first-class constraints and the quantization of gauge theories: From “matter without matter” to the reappearance of time in quantum gravity
2024 · Roberto Casadio, Leonardo Chataignier, et al. · Annals of Physics · 9
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Reconstruction methods and the amplification of the inflationary spectrum
2023 · Leonardo Chataignier, Alexander Yu. Kamenshchik, et al. · Physical review. D/Physical review. D. · 8
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Beyond semiclassical time
2022 · Leonardo Chataignier · Zeitschrift für Naturforschung A · 7
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Relational dynamics with periodic clocks
2026 · Leonardo Chataignier, Philipp A Höhn, et al. · New Journal of Physics · 4
Origin of time and probability in quantum cosmology
2025 · Leonardo Chataignier, Claus Kiefer, et al. · Journal of Physics Conference Series · 3
Phase time and Ehrenfest’s theorem in relativistic quantum mechanics and quantum gravity
2024 · Leonardo Chataignier · Physical review. D/Physical review. D. · 2
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Reflected waves and quantum gravity
2023 · Leonardo Chataignier, Alexander Yu. Kamenshchik, et al. · Physical review. D/Physical review. D. · 2
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Beyond semiclassical time: dynamics in quantum cosmology
2023 · Leonardo Chataignier · Journal of Physics Conference Series · 1
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Relating approaches to interacting quantum clocks and systems
2026 · Semião, Artur, Chataignier, Leonardo · arXiv (Cornell University)
Interacting quantum reference frames
2026 · Chataignier, Leonardo, Smith, Alexander R. H. · arXiv (Cornell University)
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Radial quantization of the Schwarzschild geometry: relational observables, evaporation, and remnant state
2026 · Brizuela, David, Chataignier, Leonardo, et al. · arXiv (Cornell University)
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Quantum gravity and the past hypothesis
2026 · Leonardo Chataignier, Claus Kiefer, et al. · International Journal of Modern Physics D
Works count: 35
Citation count: 395
H-index: 13
I10-index: 13
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