Collective excitations of a one-dimensional quantum droplet
Marek Tylutki, G. E. Astrakharchik, Boris A. Malomed, D. S. Petrov
Abstract
The excitation spectrum of a one-dimensional two-component bosonic mixture of ultracold atoms is studied by an extension of the Gross-Pitaevskii equation approach. The results can help distinguish the self-bound droplet state from the bright soliton.
Topics & Concepts
PhysicsSolitonQuadratic equationExcitationQuantum mechanicsCoupling constantPhononNonlinear systemPlane (geometry)Mathematical physicsAtomic physicsMathematicsGeometryCold Atom Physics and Bose-Einstein CondensatesStrong Light-Matter InteractionsSpectroscopy and Laser Applications