Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Siercke, M"'
Direct laser cooling and trapping of molecules to temperature below Doppler limit and density exceeding $10^8$ are challenging due to the sub-Doppler heating effects of molecular magneto-optical trap (MOT). In our previous paper [1], we presented a g
Externí odkaz:
http://arxiv.org/abs/2305.16576
Current dual-frequency magneto-optical traps for ultracold molecules are plagued by sub-Doppler heating effects, making them vastly inferior to standard atomic MOTs. Here we demonstrate theoretically that the sub-Doppler effects in such a MOT can be
Externí odkaz:
http://arxiv.org/abs/2203.07754
In this paper we investigate the feasibility of Zeeman slowing calcium monofluoride (CaF) molecules originating from a cryogenic buffer gas cell. We measure the $A^2\Pi_{1/2} (v=0, J=\frac{1}{2}) - X^2\Sigma_{1/2} (v=0, N=1)$ hyperfine spectrum of Ca
Externí odkaz:
http://arxiv.org/abs/2104.08235
Magneto-optical trapping (MOT) is a key technique on the route towards ultracold molecular ensembles. However, the realization and optimization of magneto-optical traps with their wide parameter space is particularly difficult. Here, we present a ver
Externí odkaz:
http://arxiv.org/abs/2104.07984
Publikováno v:
Phys. Rev. A 89, 022701 (2014)
We report on the behaviour of the ionization avalanche in an ensemble of ultracold 87Rb atoms coupled to a high lying Rydberg state and investigate extensions to the current model by including the effects of three-body recombination and plasma expans
Externí odkaz:
http://arxiv.org/abs/1402.2400
We investigate the behaviour of electric fields originating from adsorbates deposited on a cryogenic atom chip as it is cooled from room temperature to cryogenic temperature. Using Rydberg electromagnetically induced transparency we measure the field
Externí odkaz:
http://arxiv.org/abs/1312.5868
We report on the trapping of ultracold atoms in the magnetic field formed entirely by persistent supercurrents induced in a thin film type-II superconducting square. The supercurrents are carried by vortices induced in the 2D structure by applying tw
Externí odkaz:
http://arxiv.org/abs/1204.2891
Publikováno v:
Phys. Rev. A 85, 013404 (2012)
We propose and analyze neutral atom traps generated by vortices imprinted by magnetic field pulse sequences in type-II superconducting disks and rings. We compute the supercurrent distribution and magnetic field resulting from the vortices in the sup
Externí odkaz:
http://arxiv.org/abs/1201.3000
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