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Comparing quantumness criteria
Jerome Martin, Amaury Micheli, Vincent Vennin
Measuring the quantumness of a system can be done with a variety of methods. In this article we compare different criteria, namely quantum discord, Bell inequality violation and no…
Discord and Decoherence
Jerome Martin, Amaury Micheli, Vincent Vennin
In quantum information theory, quantum discord has been proposed as a tool to characterise the presence of "quantum correlations" between the subparts of a given system. Whether a…
Collapse models and cosmology
Jerome Martin, Vincent Vennin
Attempts to apply quantum collapse theories to Cosmology and cosmic inflation are reviewed. These attempts are motivated by the fact that the theory of cosmological perturbations o…
A cosmic shadow on CSL
Jerome Martin, Vincent Vennin
The Continuous Spontaneous Localisation (CSL) model solves the measurement problem of standard quantum mechanics, by coupling the mass density of a quantum system to a white-noise…
Cosmic Inflation, Quantum Information and the Pioneering Role of John S Bell in Cosmology
Jerome Martin
According to the theory of cosmic inflation, the large scale structures observed in our Universe (galaxies, clusters of galaxies, Cosmic Background Microwave - CMB - anisotropy ...…
Leggett-Garg Inequalities for Squeezed States
Jerome Martin, Vincent Vennin
Temporal Bell inequalities, or Leggett-Garg Inequalities (LGI), are studied for continuous-variable systems placed in a squeezed state. The importance of those systems lies in thei…