Zobrazeno 1 - 10
of 838
pro vyhledávání: '"Malomed, B. A."'
In the framework of the model of a spatially non-uniform Bose-Einstein condensate with helicoidal spin-orbit (SO) coupling, we find abnormal Peregrine solitons (PSs) on top of flat and periodic backgrounds, with ultra-high amplitudes. We explore the
Externí odkaz:
http://arxiv.org/abs/2408.00322
Autor:
Katsimiga, G. C., Mistakidis, S. I., Malomed, B. A., Frantzeskakis, D. J., Carretero-González, R., Kevrekidis, P. G.
We explore the dynamics and interactions of multiple bright droplets and bubbles, as well as the interactions of kinks with droplets and with antikinks, in the extended one-dimensional Gross-Pitaevskii model including the Lee-Huang-Yang correction. E
Externí odkaz:
http://arxiv.org/abs/2306.07055
Publikováno v:
Comm. Nonlin. Sci. Num. Sim. 115, 106769 (2022)
We present an analysis of stationary solutions for two-dimensional (2D) Bose-Einstein condensates (BECs) with the Rashba spin-orbit (SO) coupling and Zeeman splitting. By introducing the generalized momentum operator, the linear version of the system
Externí odkaz:
http://arxiv.org/abs/2208.00310
Autor:
Hung, N. V., Tai, L. X. T., Longobucco, M., Bugár, I., Astrauskas, I., Pugžlys, A., Baltuška, A., Buczyński, R., Malomed, B. A., Trippenbach, M.
We investigate experimentally and theoretically effects of the inter-core propagation mismatch on nonlinear switching in dual-core high-index-contrast soft-glass optical fibers. Incident femtosecond pulses of various energy are fed into a single ("st
Externí odkaz:
http://arxiv.org/abs/2203.10575
Publikováno v:
Symmetry 14, 49 (2022)
We address dynamics of Bose-Einstein condensates (BECs) loaded into a one-dimensional four-color optical lattice (FOL) potential with commensurate wavelengths and tunable intensities. This configuration lends system-specific symmetry properties. The
Externí odkaz:
http://arxiv.org/abs/2201.04445
We introduce a scheme of a photonic coupler built of two parallel topological-insulator slab waveguides with the intrinsic Kerr nonlinearity, separated by a gap. Josephson oscillations (JO) of a single edge soliton created in one slab, and of a pair
Externí odkaz:
http://arxiv.org/abs/2107.00751
Autor:
Cabanas, A. M., Velez, J. A., Perez, L. M., Diaz, P., Clerc, M. G., Laroze, D., Malomed, B. A.
Discrete dissipative coupled systems exhibit complex behavior such as chaos, spatiotemporal intermittence, chimera among others. We construct and investigate chimera states, in the form of confined stationary and dynamical states in a chain of parame
Externí odkaz:
http://arxiv.org/abs/2103.07748
Autor:
Cutrona, A., Hanzard, P. -H., Rowley, M., Totero-Gongora, J. S., Peccianti, M., Malomed, B. A., Oppo, G. -L., Pasquazi, A.
We theoretically present a design of self-starting operation of microcombs based on laser-cavity solitons in a system composed of a micro-resonator nested in and coupled to an amplifying laser cavity. We demonstrate that it is possible to engineer th
Externí odkaz:
http://arxiv.org/abs/2102.01164
We show that attractive two-dimensional spinor Bose-Einstein condensates with helicoidal spatially periodic spin-orbit coupling (SOC) support a rich variety of stable fundamental solitons and bound soliton complexes. Such states exist with chemical p
Externí odkaz:
http://arxiv.org/abs/2009.07138
Autor:
Kevrekidis, P. G., Carretero-González, R., Cuevas-Maraver, J., Frantzeskakis, D. J., Caputo, J. -G., Malomed, B. A.
We revisit the problem of transverse instability of a 2D breather stripe of the sine-Gordon (sG) equation. A numerically computed Floquet spectrum of the stripe is compared to analytical predictions developed by means of multiple-scale perturbation t
Externí odkaz:
http://arxiv.org/abs/2007.13222