Correlated many-body quantum dynamics of the Peregrine soliton
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arXiv
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| Format: | Preprint |
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2025
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| author | Diplaris, D. Bougas, G. A. Kevrekidis, P. G. Hung, C. -L. Schmelcher, P. Mistakidis, S. I. |
| author_facet | Diplaris, D. Bougas, G. A. Kevrekidis, P. G. Hung, C. -L. Schmelcher, P. Mistakidis, S. I. |
| contents | We explore the correlated dynamics underlying the formation of the quantum Peregrine soliton, a prototypical rogue-wave excitation, utilizing interaction quenches from repulsive to attractive couplings in an ultracold bosonic gas confined in a one-dimensional box trap. The latter emulates the so-called semi-classical initial conditions and the associated gradient catastrophe scenario facilitating the emergence of a high-density, doubly localized waveform. The ensuing multi-orbital variant of the Peregrine soliton features notable deviations from its mean-field sibling, including a reduced peak amplitude, wider core, absence of the side density dips, and earlier formation times. Moreover, Peregrine soliton generation yields coherence losses, while experiencing two-body bunching within each of its sides which show anti-bunching between each other. Controllable seeding of the Peregrine soliton is also demonstrated by tuning the atom number or the box length, while reducing the latter favors the generation of the time-periodic Kuznetsov-Ma breather. Our results highlight that correlations reshape the morphology of rogue-waves in the genuinely quantum, non-integrable realm, while setting the stage for the emergent field of quantum dispersive hydrodynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_16031 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Correlated many-body quantum dynamics of the Peregrine soliton Diplaris, D. Bougas, G. A. Kevrekidis, P. G. Hung, C. -L. Schmelcher, P. Mistakidis, S. I. Quantum Gases Pattern Formation and Solitons Quantum Physics We explore the correlated dynamics underlying the formation of the quantum Peregrine soliton, a prototypical rogue-wave excitation, utilizing interaction quenches from repulsive to attractive couplings in an ultracold bosonic gas confined in a one-dimensional box trap. The latter emulates the so-called semi-classical initial conditions and the associated gradient catastrophe scenario facilitating the emergence of a high-density, doubly localized waveform. The ensuing multi-orbital variant of the Peregrine soliton features notable deviations from its mean-field sibling, including a reduced peak amplitude, wider core, absence of the side density dips, and earlier formation times. Moreover, Peregrine soliton generation yields coherence losses, while experiencing two-body bunching within each of its sides which show anti-bunching between each other. Controllable seeding of the Peregrine soliton is also demonstrated by tuning the atom number or the box length, while reducing the latter favors the generation of the time-periodic Kuznetsov-Ma breather. Our results highlight that correlations reshape the morphology of rogue-waves in the genuinely quantum, non-integrable realm, while setting the stage for the emergent field of quantum dispersive hydrodynamics. |
| title | Correlated many-body quantum dynamics of the Peregrine soliton |
| topic | Quantum Gases Pattern Formation and Solitons Quantum Physics |
| url | https://arxiv.org/abs/2512.16031 |