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240 papers
The Material Point Method (MPM) for simulating hypervelocity impact on asteroids
Xiaoran Yan, Patrick Michel, Ruichen Ni +2
Shock-physics numerical codes are essential tools for describing the short but extreme fragmentation stage of the hypervelocity impact process on asteroids. However, accurately rep…
Experimental challenges and prospects for quantum-enhanced energy conversion: Stationary Fano coherence in V-type qutrits interacting with polarized incoherent radiation
Ludovica Donati, Francesco Saverio Cataliotti, Stefano Gherardini
Quantum coherence offers potential for energy conversion technologies. It influences light absorption and emission, affecting energy conversion limits and efficiency. As a result,…
Self-mixing-based photoacoustic sensing
Tecla Gabbrielli, Jacopo Pelini, Chenhong Zhang +7
Versatile, ultracompact, easy-to-handle, high-sensitivity sensors are compelling tools for in situ pivotal applications, such as medical diagnostics, security and safety assessment…
Single Sr Atoms in Optical Tweezer Arrays for Quantum Simulation
Veronica Giardini, Luca Guariento, Andrea Fantini +6
We report on the realization of a platform for trapping and manipulating individual Sr atoms in optical tweezers. A first cooling stage based on a blue shielded magneto-opti…
Bridging mid and near infrared by combining optomechanics and self mixing
Tecla Gabbrielli, Chenghong Zhang, Francesco Cappelli +8
This work describes a self-mixing-assisted optomechanical platform for transferring information between near- and mid-infrared radiation. In particular, the self-mixing signal of a…
Quantum action of the Josephson dynamics
Cesare Vianello, Sofia Salvatore, Luca Salasnich
We study the beyond-mean-field Josephson dynamics of the relative phase between two coupled macroscopic quantum systems. Using a covariant background field method, we derive the on…