What is recorded here?
In 2007 Lignier and colleagues periodically shook a one-dimensional optical lattice containing a rubidium condensate and inferred suppressed interwell tunneling from its expansion, finding agreement with a Bessel-function dependence over the tested range. In a subsequent 2008 preprint Zenesini and colleagues ramped the drive in a three-dimensional lattice: interference visibility decreased and returned when the drive was removed. Their excitation spectra and comparison with changes in static lattice depth supported a reversible drive-induced superfluid–Mott transition.
Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.
Scientific scope
The 2007 tunneling rate is inferred from expansion and finite resolution does not establish an exactly zero microscopic amplitude. The later transition is inferred from interference visibility, modulation response and a calibrated effective Bose–Hubbard model in a finite trapped gas, not a direct measurement of a thermodynamic singularity or proof of perfect adiabaticity. Driving can excite higher bands or reduce coherence in some parameter regimes. The two studies have different source-specific bylines and build on prior driven-lattice and superfluid–Mott work.
Read the original work
- Dynamical control of matter-wave tunneling in periodic potentials
- Coherent control of dressed matter waves
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People and systems
H. Lignier; C. Sias; D. Ciampini; Y. Singh; A. Zenesini; O. Morsch; E. Arimondo; Alessandro Zenesini; Hans Lignier; Donatella Ciampini; Oliver Morsch; Ennio Arimondo
These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged. The recorded author list is incomplete.
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English catalogue narrative
Driven optical lattices control condensate tunneling and a superfluid–Mott transition
In 2007 Lignier and colleagues periodically shook a one-dimensional optical lattice containing a rubidium condensate and inferred suppressed interwell tunneling from its expansion, finding agreement with a Bessel-function dependence over the tested range. In a subsequent 2008 preprint Zenesini and colleagues ramped the drive in a three-dimensional lattice: interference visibility decreased and returned when the drive was removed. Their excitation spectra and comparison with changes in static lattice depth supported a reversible drive-induced superfluid–Mott transition.
Scientific scope
The 2007 tunneling rate is inferred from expansion and finite resolution does not establish an exactly zero microscopic amplitude. The later transition is inferred from interference visibility, modulation response and a calibrated effective Bose–Hubbard model in a finite trapped gas, not a direct measurement of a thermodynamic singularity or proof of perfect adiabaticity. Driving can excite higher bands or reduce coherence in some parameter regimes. The two studies have different source-specific bylines and build on prior driven-lattice and superfluid–Mott work.
Reading status
This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.
People and systems
H. Lignier; C. Sias; D. Ciampini; Y. Singh; A. Zenesini; O. Morsch; E. Arimondo; Alessandro Zenesini; Hans Lignier; Donatella Ciampini; Oliver Morsch; Ennio Arimondo
These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.