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788 papers
SynIM: a high-performance GPU-accelerated Python library for synthetic interaction and tomographic reconstruction matrices in next-generation adaptive optics
Guido Agapito, Fabio Rossi, Alfio Puglisi
Next-generation Adaptive Optics (AO) systems for 8-40m class telescopes, such as MORFEO (ELT) and MAVIS (VLT), demand high calibration accuracy. Controlling thousands of actuators…
A Magnetically Switchable Bifocal Metasurface
Alberto Santonocito, Barbara Patrizi, Alessio Gabbani +2
Tunable flat optics are essential for advancing compact photonic devices. Here we show a numerical study of a reflective magneto-optical metasurface with a dynamically tunable foca…
Ising Models of Cooperativity in Muscle Contraction
Elaheh Saadat, Matthieu Caruel, Stefano Gherardini +6
Regulation of contraction in striated muscle is controlled by a dual mechanism involving both thin filaments containing actin and thick filaments containing myosin. The thin filame…
Ballistic atomic transport in narrow carbon nanotubes
Alberto Ambrosetti, Pier Luigi Silvestrelli, John F. Dobson +1
Friction forces are conventionally modeled via semiclassical theories that associate energy dissipation with newtonian motion on corrugated interface potentials. This consolidated…
Geometric investigation of chaos unfolding in Hamiltonian systems
L. Salasnich, F. Sattin
In this work we revisit the geometric approach to chaos in Hamiltonian dynamics, by means of the Jacobi-Levi-Civita equation (JLCE). We inspect numerically two low-dimensional dyna…
Macroscopic quantum self-trapping in bosonic Josephson junctions: an exact quantum treatment
Andrea Bardin, Anna Minguzzi, Luca Salasnich
We investigate the fully quantum evolution of the population imbalance in a perfectly symmetric Bose-Josephson junction modeled by a two-mode Bose-Hubbard Hamiltonian, focusing on…