Results 81 to 90 of about 2,536 (203)

Realisation of a cold mixture of rubidium and caesium [PDF]

open access: yes, 2008
This thesis describes a new apparatus designed to study cold, ultracold, and quantum degenerate mixtures of rubidium and caesium atoms. The Rb- Cs mixture is prepared using a double magneto-optical trap (MOT) system in which a two-species pyramid MOT ...
Harris, Magaret L, Harris, Margaret L.
core  

Ultracold Feshbach Molecules

open access: yes, 2009
Chapter of the book: "Cold Molecules: Theory, Experiment, Applications" edited by R. V. Krems, B. Friedrich and W. C. Stwalley (publication expected in March 2009)
Ferlaino, Francesca   +2 more
openaire   +2 more sources

Experimental Investigation of Ultracold Atom-Molecule Collisions [PDF]

open access: yesPhysical Review Letters, 2006
4 pages, 3 figures, submitted for ...
Staanum, Peter   +4 more
openaire   +5 more sources

Polaritonic quantum matter

open access: yesNanophotonics, Volume 14, Issue 23, Page 3723-3760, 02 November 2025.
Abstract Polaritons are quantum mechanical superpositions of photon states with elementary excitations in molecules and solids. The light–matter admixture causes a characteristic frequency‐momentum dispersion shared by all polaritons irrespective of the microscopic nature of material excitations that could entail charge, spin, lattice or orbital ...
D.N. Basov   +8 more
wiley   +1 more source

Illuminating Quantum Phenomena in 2D Materials: The Power of Optical Spectroscopy

open access: yesAdvanced Optical Materials, Volume 13, Issue 31, November 5, 2025.
Atomically thin 2D materials host quantum tunnelling, plasmonic and excitonic phenomena driven by reduced dimensionality and strong many‐body interactions. This review links these effects to state‐of‐the‐art optical probes—NSOM, pump–probe, CARS, TRR, and optical frequency comb spectroscopy—highlighting how their ultrahigh spatial–temporal resolution ...
Yuhui Zhou   +4 more
wiley   +1 more source

Formation of ultracold triatomic molecules by electric microwave association

open access: yesPhysical Review Research
A theoretical model is proposed for the formation of ultracold ground-state triatomic molecules in weakly bound energy levels. The process is driven by the electric component of a microwave field, which induces the association of an ultracold atom ...
Baraa Shammout   +4 more
doaj   +1 more source

Ultracold molecular spectroscopy: toward the narrow-line cooling of molecules

open access: yesNew Journal of Physics, 2015
A new spectroscopic method that utilizes microwave transition of ultracold molecules is demonstrated. The narrow spectral linewidth (approximately 100 Hz) was guaranteed by preparing molecules at low temperature, and a high signal-to-noise ratio was ...
Jun Kobayashi   +2 more
doaj   +1 more source

Strongly correlated ultracold bosons in an optical lattice

open access: yes, 2012
In this thesis, we have investigated strongly correlated bosonic gases in an optical lattice, mostly based on a bosonic version of dynamical mean field theory and its real-space extension. Emphasis is put on possible novel quantum phenomena of these many-
Li, Yongqiang
core  

Coherent Microwave Control of Ultracold 23Na 40K Molecules

open access: yes, 2016
We demonstrate coherent microwave control of rotational and hyperfine states of trapped, ultracold, and chemically stable [superscript 23]Na [superscript 40]K molecules. Starting with all molecules in the absolute rovibrational and hyperfine ground state,
Loh, Huanqian   +7 more
core   +1 more source

Photoinduced Two-Body Loss of Ultracold Molecules

open access: yes, 2021
© 2019 American Physical Society. The lifetime of nonreactive ultracold bialkali gases was conjectured to be limited by sticky collisions amplifying three-body loss.
Christianen, Arthur   +5 more
core   +1 more source

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