Facultad de Física

Nov 29, 2024 | onlinelibrary.wiley.com | José María Martín-Olalla |Facultad de Física |Jorge Mira |Facultade de Física

• , , , , , , , , , & ( ). The British Sleep Society position statement on Daylight Saving Time in the UK . Journal of Sleep Research, e14352. https://doi.org/10.1111/JSR.14352• , , , & ( ). A chronobiological evaluation of the acute effects of daylight saving time on traffic accident risk . Current Biology, , – . https://doi.org/10.1016/j.cub.2019.12.045• , , , & ( ). Seasonal variation in the human circadian rhythm: Dissociation between sleep and temperature rhythm .

Jan 22, 2024 | link.aps.org | Departamento de Óptica |Facultad de Física |Universidad Complutense

Majorana stars, the 2S spin coherent states that are orthogonal to a spin-S state, offer an elegant method to visualize quantum states, disclosing their intrinsic symmetries. These states are naturally described by the corresponding multipoles. These quantities can be experimentally determined and allow for an SU(2)-invariant analysis. We investigate the relationship between Majorana constellations and state multipoles, thus providing insights into the underlying symmetries of the system.

Jul 12, 2023 | link.aps.org | Nicolas Fabre |Departamento de Óptica |Facultad de Física |Universidad Complutense

Abstract Majorana stellar representation, which visualizes a quantum spin as points on the Bloch sphere, allows quantum mechanics to accommodate the concept of trajectory, the hallmark of classical physics. We extend this notion to the discrete cylinder, which is the phase space of the canonical pair angle and orbital angular momentum. We demonstrate that the geometrical properties of the ensuing constellations aptly encapsulate the quantumness of the state.