Bruno Juliá-Díaz

Disentangling the Dynamical Origin of P11 Nucleon Resonances

We show that two almost degenerate poles near the piDelta threshold and the next higher mass pole in the P11 partial wave of piN scattering evolve from a single bare state through its coupling with piN, etaN, and pipiN reaction channels. This finding provides new information on understanding the dynamical origins of the Roper N{*}(1440) and N{*}(1710) resonances listed by Particle Data Group. Our results for the resonance poles in other piN partial waves are also presented.

Dynamical Coupled-channels Effects on Pion Photoproduction

The electromagnetic pion production reactions are investigated within the dynamical coupled-channels model developed in {\bf Physics Reports, 439, 193 (2007)}. The meson-baryon channels included in this study are

Twist-and-turn spin squeezing in Bose-Einstein condensates

\gamma N

Macroscopic self-trapping in Bose-Einstein condensates: Analysis of a dynamical quantum phase transition

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Quantum correlations and spatial localization in one-dimensional ultracold bosonic mixtures

\pi N

The role of qqqqq¯ components in the nucleon and the N(1440) resonance

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