Stripe and checkerboard patterns in a stack of driven quasi-one-dimensional dipolar condensates

Nadiger, Shreyas; Jose, Sandra M.; Ghosh, Ratheejit; Kaur, Inderpreet; Nath, Rejish

doi:10.1103/physreva.109.033309

Phys. Rev. A

2024

DOI: 10.1103/physreva.109.033309

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Stripe and checkerboard patterns in a stack of driven quasi-one-dimensional dipolar condensates

Shreyas Nadiger,

Sandra M. Jose,

Ratheejit Ghosh

et al.

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2024

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Cited by 2 publications

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Spatiotemporal pattern formation in parametrically driven two-dimensional Bose–Einstein condensates

Wan,

Wen,

2024

Commun. Theor. Phys.

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We investigate spatiotemporal periodic patterns in harmonically trapped Bose-Einstein condensates (BECs) driven by a periodic modulation of the interaction. Resonant with the breathing mode, we show the emergence of a square lattice pattern containing two orthonormal stripes. We study the time evolutions of the lattice patterns for different driving strengths and dissipations. We find that its spatial periodicity and temporal oscillating frequency \textcolor{red}{match} the Bogoliubov dispersion, which is the intrinsic property of the system and relevant to parametric amplification of elementary excitations. In the circumstances of strong driving strength and low dissipation, we further observe the triad interaction and the resulting superlattice state, which are well explained by the nonlinear amplitude equation for superimposed stripes. These results shed light on unexplored nonlinear spatiotemporal dynamics of two-dimensional pattern in harmonically trapped BECs that can pave the way for engineering exotic patterns by state-of-the-art experiments.

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Spatiotemporal pattern formation in parametrically driven two-dimensional Bose–Einstein condensates

Wan,

Wen,

2024

Commun. Theor. Phys.

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Density engineering via intercondensate dipole-dipole interactions

Nayak,

Ghosh,

Nath

2024

Phys. Rev. A

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Stripe and checkerboard patterns in a stack of driven quasi-one-dimensional dipolar condensates

Cited by 2 publications

References 53 publications

Spatiotemporal pattern formation in parametrically driven two-dimensional Bose–Einstein condensates

Spatiotemporal pattern formation in parametrically driven two-dimensional Bose–Einstein condensates

Density engineering via intercondensate dipole-dipole interactions

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