TL;DR
This paper introduces the concept of 'dressed matter waves' by analogy to dressed atoms, proposing that time-periodic lattice modulation can induce a superfluid to Mott-insulator transition in ultracold atoms, with implications for experimental observation.
Contribution
It presents a novel framework for understanding ultracold atoms in modulated optical lattices as dressed matter waves, linking Floquet theory to phase transitions.
Findings
Proposes the dressed matter wave concept for ultracold atoms.
Suggests lattice modulation can induce superfluid to Mott-insulator transition.
Highlights conditions for adiabatic evolution of Floquet states.
Abstract
We suggest to view ultracold atoms in a time-periodically shifted optical lattice as a "dressed matter wave", analogous to a dressed atom in an electromagnetic field. A possible effect lending support to this concept is a transition of ultracold bosonic atoms from a superfluid to a Mott-insulating state in response to appropriate "dressing" achieved through time-periodic lattice modulation. In order to observe this effect in a laboratory experiment, one has to identify conditions allowing for effectively adiabatic motion of a many-body Floquet state.
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