Extended Data Fig. 6: Numerical results in the negative mass region.
From: Observation of microscopic confinement dynamics by a tunable topological θ-angle

a. The time-resolved density profiles. b. The time-resolved two-point correlations. The extracted time-resolved results of the observables c \({\mathcal{E}}(t)\), d \({\mathcal{M}}(t)\), and e \({\mathcal{E}}(t)/{\mathcal{M}}(t)\).