Adiabatic processes in frequency conversion

H Suchowski, G Porat, A Arie - Laser & Photonics Reviews, 2014 - Wiley Online Library
Adiabatic evolution, an important dynamical process in a variety of classical and quantum
systems providing a robust way of steering a system into a desired state, was introduced …

[HTML][HTML] The geometric phase in nonlinear frequency conversion

A Karnieli, Y Li, A Arie - Frontiers of Physics, 2022 - Springer
The geometric phase of light has been demonstrated in various platforms of the linear
optical regime, raising interest both for fundamental science as well as applications, such as …

Quantized fractional Thouless pumping of solitons

M Jürgensen, S Mukherjee, C Jörg, MC Rechtsman - Nature Physics, 2023 - nature.com
In many contexts, interaction between particles gives rise to emergent phenomena. An
example is the fractional quantum Hall effect, where the interaction between electrons leads …

Superfluidity of Bose–Einstein condensate in an optical lattice: Landau–Zener tunnelling and dynamical instability

B Wu, Q Niu - New journal of Physics, 2003 - iopscience.iop.org
Abstract Superflow of a Bose–Einstein condensate in an optical lattice is represented by a
Bloch wave, a plane wave with periodic modulation of the amplitude. We review the …

Chern number governs soliton motion in nonlinear thouless pumps

M Jürgensen, MC Rechtsman - Physical review letters, 2022 - APS
Nonlinear Thouless pumps for bosons exhibit quantized pumping via soliton motion, despite
the lack of a meaningful notion of filled bands. However, the theoretical underpinning of this …

Cold bosons in optical lattices

VI Yukalov - Laser Physics, 2009 - Springer
Basic properties of cold Bose atoms in optical lattices are reviewed. The main principles of
correct self-consistent description of arbitrary systems with Bose-Einstein condensate are …

Mean-field dynamics of a Bose-Einstein condensate in a time-dependent triple-well trap: Nonlinear eigenstates, Landau-Zener models, and stimulated Raman …

EM Graefe, HJ Korsch, D Witthaut - … Review A—Atomic, Molecular, and Optical …, 2006 - APS
We investigate the dynamics of a Bose-Einstein condensate in a triple-well trap in a three-
level approximation. The interatomic interactions are taken into account in a mean-field …

Adiabatic condition for nonlinear systems

H Pu, P Maenner, W Zhang, HY Ling - Physical review letters, 2007 - APS
The adiabatic approximation is an important concept in quantum mechanics. In linear
systems, the adiabatic condition is derived with the help of the instantaneous eigenvalues …

Principal problems in Bose‐Einstein condensation of dilute gases

VI Yukalov - Laser Physics Letters, 2004 - Wiley Online Library
A survey is given of the present state of the art in studying Bose‐Einstein condensation of
dilute atomic gases. The bulk of attention is focused on the principal theoretical problems …

Josephson oscillation and transition to self-trapping for Bose-Einstein condensates in a triple-well trap

B Liu, LB Fu, SP Yang, J Liu - Physical Review A—Atomic, Molecular, and …, 2007 - APS
We investigate the tunneling dynamics of Bose-Einstein condensates (BECs) in a symmetric
as well as in a tilted triple-well trap within the framework of mean-field treatment. The …