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13 papers · 1 filter
Synchronization transitions in adaptive simplicial complexes with cooperative and competitive dynamics
S. Nirmala Jenifer, Dibakar Ghosh, Paulsamy Muruganandam
Adaptive network is a powerful presentation to describe different real-world phenomena. However, current models often neglect higher-order interactions (beyond pairwise interaction…
An unusual phase transition in a non-Hermitian Su-Schrieffer-Heeger model
A Niveth, S Karthiga, M Senthilvelan
This article studies a non-Hermitian Su-Schrieffer-Heeger (SSH) model which has periodically staggered Hermitian and non-Hermitian dimers. The changes in topological phases of the…
Spin-dependent localization of spin-orbit and Rabi-coupled Bose-Einstein condensates in a random potential
Swarup K. Sarkar, Sh. Mardonov, E. Ya. Sherman +2
We investigate the effect of the spin-orbit (SO) and Rabi couplings on the localization of the spin-1/2 condensate trapped in a one-dimensional random potential. Our studies reveal…
Interaction imbalanced spin-orbit coupled quantum droplets
Sonali Gangwar, Rajamanickam Ravisankar, S. I. Mistakidis +2
We explore the ground states and quench dynamics of one-dimensional quantum droplets with spin-orbit coupling (SOC) and an imbalance in intracomponent interactions. A plethora of m…
Unique multistable states in periodic structures with saturable nonlinearity
S. Vignesh Raja, A. Govindarajan, M. Lakshmanan
We report that conventional saturable periodic structures, in sharp contrast to the conventional systems with different nonlinearities which exhibit the typical S- shaped optical b…
Nonlinear two-component system of time-fractional PDEs in (2+1)-dimensions: Invariant subspace method combined with variable transformation
P. Prakash, K. S. Priyendhu, M. Lakshmanan
In this article, we develop a systematic approach of the invariant subspace method combined with variable transformation to find the generalized separable exact solutions of the no…