Embedded Files
Patents
Patents
Centralized satellite quantum cryptographic key pairing method
FR2414858 : Système de réception quantiques
Chapter in Book
Chapter in Book
Book Title: High Performance Computing in Science and Engineering'20 , Springer Nature Switzerland AG
Chapter : MCTDH-X: The Multiconfigurational Time-Dependent Hartree Method for Indistinguishable Particles High-Performance Computation Project
Preprint
Preprint
Towards a Global Scale Quantum Information Network: A Study Applied to Satellite-Enabled Distributed Quantum Computing
Laurent de Forges de Parny, Luca Paccard, Mathieu Bertrand, Luca Lazzarini, Valentin Leloup, Raphael Aymeric, Agathe Blaise, Stéphanie Molin, Pierre Besancenot, Cyrille Laborde, Mathias van den Bossche
Peer-reviewed articles
Peer-reviewed articles
The Role of the Satellite in Quantum Information Networks
Luca Paccard, Valentin Leloup, Luca Lazzarini, Agathe Blaise, Mailys Guerault, Mickael Faugeron, Fabrice Arnal, Mathieu Bertrand, Raphael Aymeric, Michel Sotom, Stéphanie Molin, Patrick Gélard, Pierre Besancenot, Cyrille Laborde, Laurent de Forges de Parny, Mathias van den Bossche
Entanglement Management in Space-based Quantum Information Networks
Luca Paccard, Agathe Blaise, Fabrice Arnal, Laurent de Forges de Parny
Satellite-based Quantum Information Networks: Use cases, Architecture, and Roadmap
L. de Forges de Parny, O. Alibart, J. Debaud, S. Gressani, A. Lagarrigue, A. Martin, A. Metrat, M. Schiavon, T. Troisi, E. Diamanti, P. Gélard, E. Kerstel, S. Tanzilli and M. Van Den Bossche
Nature Commun Phys 6, 12 (2023), arXiv: 2202.01817
Magnetic phase transition in the ground-state phase diagram of binary bose gases in optical lattices
L. de Forges de Parny and V.G. Rousseau.
EPL, 134, 16001 (2021) , arXiv: 2011.04023
Spectral Structure and Many-Body Dynamics of Ultracold Bosons in a Double-Well
F. Schäfer, M. A. Bastarrachea-Magnani, Axel U. J. Lode, L. de Forges de Parny, and A. Buchleitner.
Entropy, 22(4), 382 (2020), arXiv: 2002.00973
Numerical Investigation of Strongly Interacting Bosons at Zero Temperature
L. de Forges de Parny, F. Schäfer, J. Mielke, M. A. Bastarrachea-Magnani, and A. Buchleitner.
5th bwHPC symposium (2018) DOI: 10.15496/publikation-29050
Phase Diagrams of Antiferromagnetic Spin-1 Bosons on Square Optical Lattice with the Quadratic Zeeman Effect
L. de Forges de Parny and V.G. Rousseau.
Phys. Rev. A 97, 023628 (2018), arXiv: 1801.00449.
Phase Diagram of Bosons in a 2D Optical Lattice with Infinite-Range Cavity-Mediated Interactions
T. Flottat, L. de Forges de Parny, F. Hébert, V.G. Rousseau, and G.G. Batrouni.
Phys. Rev. B 95, 144501 (2017), arXiv: 1701.01624.
Quantum and Thermal Phase Transitions in a Bosonic Atom-Molecule Mixture in a Two-Dimensional Optical Lattice
L. de Forges de Parny and V.G. Rousseau.
Phys. Rev. A 95, 013606 (2017), arXiv: 1607.03248.
Multiple Transitions of Coupled Atom-Molecule Bosonic Mixtures in Two Dimensions
L. de Forges de Parny, A. Rançon, and T. Roscilde.
Phys. Rev. A 93, 023639 (2016), arXiv: 1511.05320.
Feshbach-Stabilized Insulator of Bosons in Optical Lattices
L. de Forges de Parny, V.G. Rousseau, and T. Roscilde.
Phys. Rev. Lett. 114, 195302 (2015), arXiv: 1409.0284.
Anderson Tower of States and Nematic Order of Spin-1 Bosonic Atoms on a 2D Lattice
L. de Forges de Parny, H-Y. Yang, and F. Mila.
Phys. Rev. Lett. 113, 200402 (2014), arXiv: 1403.2952.
Interacting Spin-1 Bosons in a Two-Dimensional Optical Lattice
L. de Forges de Parny, F. Hébert, V.G. Rousseau, and G.G. Batrouni.
Phys. Rev. B 88, 104509 (2013), arXiv: 1306.5515.
Finite Temperature Phase Diagram of Spin-1/2 Bosons in Two-Dimensional Optical Lattice
L. de Forges de Parny, F. Hébert, V.G. Rousseau, and G.G. Batrouni.
Eur. Phys. J. B 85, 169 (2012), arXiv: 1109.3045.
Ground-State Phase Diagram of Spin-1/2 Bosons in a Two-Dimensional Optical Lattice
L. de Forges de Parny, F. Hébert, V.G. Rousseau, R.T. Scalettar and G.G. Batrouni.
Phys. Rev. B 84, 064529 (2011), arXiv: 1105.6141.
Phase Diagram of Spin-1/2 Bosons in One-Dimensional Optical Lattice
L. de Forges de Parny, M. Traynard, F. Hébert, V.G. Rousseau, R.T. Scalettar, and G.G. Batrouni.
Phys. Rev. A 82, 063602 (2010), arXiv: 1009.1465.
Dirac Point and Edge States in a Microwave Realization of Tight-Binding Graphene-like Structures
U. Kuhl, S. Barkhofen, T. Tudorovskiy, H.-J. Stöckmann, T. Hossain, L. de Forges de Parny, and F. Mortessagne.
Phys. Rev. B 82, 094308 (2010), arXiv: 1006.0901.
Popular Science
Popular Science
L. de Forges de Parny, Société Française de Physique, commission jeunes.
My PhD Thesis
My PhD Thesis
Spin-1/2 and 1 Bosons in Optical Lattices in One and Two Dimensions Download here
Keywords: Spinor Bosons, Optical lattices, Multicomponent Bose-Einstein condensates, Bose-Hubbard model, Quantum Monte Carlo, Strongly correlated systems, Statistical Thermodynamics, Condensed Matter.
Superfluid-Mott transition (Greiner et al.)
Optical trapping of atoms on optical lattices allows the study of their behavior in the range of ultra low temperature, at the nanokelvin scale, without freezing their angular momentum degrees of freedom. These recent trapping methods offer the possibility to analyse the quantum magnetism spontaneously adopted by the atoms. In this thesis we study numerically bosons with two internal effective degrees of freedom, referred to as spin-1/2 bosons, and also bosons with three degrees of freedom, spin-1 bosons, with two conceptually different methods: a simplified one using mean field approximation and an exact method, the Quantum Monte Carlo method.
Spin texture in a BEC (Stamper-Kurn et al.)
Beyond the study of these two systems, we compare a mean field method, sometimes excessively used, to the Quantum Monte Carlo method. The thorough investigation of the spin-1/2 bosons system in one and two dimensions in the zero temperature limit shows the influence of dimensionality on the physical properties of this system. The thermal effects, still present experimentally, are also analysed. Lastly, the spin-1 boson system trapped into a two dimensionnal lattice, a richer and more complicated system than the previous one, is investigated in the zero temperature limit. The study of these two systems reveals different magnetic organization in Mott insulators and superfluid phases, such as a ferromagnetic superfluid. First order phase transitions and coherent anticorrelated movements, present in the Mott phases, are also observed.
Thesis Defence
Thesis Defence
Thesis defended the 14th of November 2012 at Institut Non Linéaire de Nice: Download here
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