4 papers · 1 filter
Entanglement generation in a two-body Schrödinger--Newton model
Marcin PÅodzieÅ, Julia OsÄka-Lenart, Maciej Lewenstein +1
The Schrödinger--Newton (SN) equation provides a semiclassical framework for the evolution of self-gravitating of massive quantum systems. We propose a two-body Schrödinger--Newt…
Nonlocality, Integrability and Quantum Chaos in the Spectrum of Bell Operators
Albert Aloy, Guillem Müller-Rigat, Maciej Lewenstein +2
We introduce a permutationally invariant multipartite Bell inequality for many-body three-level systems and use it to investigate a connection between Bell nonlocality and (lack of…
Spatial Leggett-Garg inequalities
Guillem Müller-Rigat, Guillem Müller-Rigat, Donato Farina +2
We formulate a spatial extension of the Leggett-Garg inequality by considering three distant observers locally measuring a many-body system at three subsequent times. The spatial f…
Three-outcome multipartite Bell inequalities: applications to dimension witnessing and spin-nematic squeezing in many-body systems
Guillem Müller-Rigat, Albert Aloy, Maciej Lewenstein +2
We present a three-outcome permutationally-invariant Bell inequality, which we show to be naturally suited to explore nonlocal correlations in many-body spin-1 systems or SU(3) mod…