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Stationary solitary waves are studied in an array of $M$ linearly-coupled one-dimensional Bose-Einstein condensates (BECs) by means of the Gross-Pitaevskii equation. Solitary wave solutions with the character of overlapping dark solitons,…

Quantum Gases · Physics 2018-11-07 Christian Baals , Herwig Ott , Joachim Brand , Antonio Muñoz Mateo

New functionalities in nonlinear optics will require systems with giant optical nonlinearity as well as compatibility with photonic circuit fabrication techniques. Here we introduce a new platform based on strong light-matter coupling…

Pattern Formation and Solitons · Physics 2014-09-03 L. Tinkler , P. M. Walker , D. V. Skryabin , A. Yulin , B. Royall , I. Farrer , D. A. Ritchie , D. N. Krizhanovskii , M. S. Skolnick

In this Letter we further develop the proposed approach of optical manipulation based on the interactions of non-linear optical effects with nanoparticles. The interaction of the dissipative optical solitons with nanoparticles is studied…

Optics · Physics 2020-04-22 D. A. Dolinina , A. S. Shalin , A. V. Yulin

We present bright-dark vector solitons in quasi-one-dimensional spinor (F=1) Bose-Einstein condensates. Using a multiscale expansion technique, we reduce the corresponding nonintegrable system of three coupled Gross-Pitaevskii equations…

Other Condensed Matter · Physics 2010-12-10 H. E. Nistazakis , D. J. Frantzeskakis , P. G. Kevrekidis , B. A. Malomed , R. Carretero-Gonzalez

A self consistent theory of a cigar shaped Bose-Einstein condensate (BEC) periodically modulated by a laser beam is presented. We show, both theoretically and numerically, that modulational instability/stability is the mechanism by which…

Soft Condensed Matter · Physics 2009-11-07 V. V. Konotop , M. Salerno

We study a two-dimensional spin-orbit-coupled dipolar Bose-Einstein condensate with repulsive contact interactions by both the variational method and the imaginary time evolution of the Gross-Pitaevskii equation. The dipoles are completely…

Quantum Gases · Physics 2015-07-30 Yong Xu , Yongping Zhang , Chuanwei Zhang

We study the scattering properties of optical dipole-mode vector solitons recently predicted theoretically and generated in a laboratory. We demonstrate that such a radially asymmetric composite self-trapped state resembles ``a molecule of…

Pattern Formation and Solitons · Physics 2007-05-23 J. J. Garcia-Ripoll , V. M. Perez-Garcia , W. Krolikowski , Y. S. Kivshar

By numerical and variational analysis of the three-dimensional Gross-Pitaevskii equation we study the formation and dynamics of bright and vortex-bright solitons in a cigar-shaped dipolar Bose-Einstein condensate for large repulsive atomic…

Quantum Gases · Physics 2015-05-27 Luis E. Young-S. , P. Muruganandam , S. K. Adhikari

Matter-wave bright solitons are predicted to reflect from a purely attractive potential well although they are macroscopic objects with classical particle-like properties. The non-classical reflection occurs at small velocities and a…

Other Condensed Matter · Physics 2007-05-23 Chaohong Lee , Joachim Brand

We obtain an exact vector solitary solution for the amplification of an optical pulse with a time width short compared with both population and polarization decay time. This dissipative soliton results from the balance between the gain from…

Pattern Formation and Solitons · Physics 2015-06-26 Elena V. Kazantseva , Andrei I. Maimistov , Sergei O. Elyutin , Stefan Wabnitz

Solitons are nonlinear solitary waves which maintain their shape over time and through collisions, occurring in a variety of nonlinear media from plasmas to optics. We present an experimental and theoretical study of hydrodynamic phenomena…

In spite of the massive interest that the generalized Manakov equation has attracted in the past two decades, no physical system which is quantitatively described by this equation has been reported so far. In this paper we show that…

Optics · Physics 2012-07-27 Antonio Mecozzi , Cristian Antonelli , Mark Shtaif

We use a variational method to construct soliton solutions for systems characterized by opposing dispersion and competing nonlinearities at fundamental and second harmonics. We show that both ordinary and embedded solitons tend to gain…

Exactly Solvable and Integrable Systems · Physics 2007-06-06 Debabrata Pal , Sk. Golam Ali , B. Talukdar

We model propagation of far-red-detuned optical vortex beams through a Bose-Einstein Condensate using nonlinear Schr\"odinger and Gross-Pitaevskii equations. We show the formation of coupled light/atomic solitons that rotate azimuthally…

Quantum Gases · Physics 2022-08-15 Grant Henderson , Gordon R. M. Robb , Gian-Luca Oppo , Alison M. Yao

We consider a possible technique for mode-locking an atom laser, based on the generation of a dark soliton in a ring-shaped Bose-Einstein condensate, with repulsive atomic interactions. The soliton is a kink, with angular momentum per…

Condensed Matter · Physics 2007-05-23 Peter D. Drummond , Antonios Eleftheriou , Kerson Huang , Karen V. Kheruntsyan

Formation of multi-solitons and vortex bright solitons in Bose-condensed alkali-metal atoms is analyzed by using the nonpolynomial Schordinger equation. A train of bright solitons is obtained from an axially homogeneous Bose-Einstein…

Soft Condensed Matter · Physics 2007-05-23 Luca Salasnich

The nonlinear Dirac equation for Bose-Einstein condensates in honeycomb optical lattices gives rise to relativistic multi-component bright and dark soliton solutions. Using the relativistic linear stability equations, the relativistic…

Quantum Gases · Physics 2015-06-30 L. H. Haddad , Lincoln D. Carr

Vortex lines in superconductors in an external magnetic field slightly tilted from randomly-distributed parallel columnar defects can be modeled by a system of interacting bosons in a non-Hermitian vector potential and a random scalar…

Superconductivity · Physics 2009-11-07 Kihong Kim , David R. Nelson

Basic models which give rise to one- and two-dimensional (1D and 2D) solitons, such as the Gross-Pitaevskii (GP) equations for Bose-Einstein condensates (BECs), feature the Galilean invariance, which makes it possible to generate families…

Pattern Formation and Solitons · Physics 2022-10-26 Boris A. Malomed

We consider a dipolar Bose-Einstein condensate trapped in an array of two-well systems with an arbitrary orientations of the dipoles relative to the system's axis. The system can be built as a chain of local traps sliced into two parallel…

Quantum Gases · Physics 2017-04-05 Zhiwei Fan , Yuhan Shi , Yan Liu , Wei Pang , Yongyao Li , Boris A. Malomed