In situ measurements of strongly interacting Lithium system

In this thesis, a stable device for the production of a 6Li2 molecular BEC is presented. Lithium atoms are slowed down by a Zeeman Slower and 10^8 atoms are trapped in a Magneto Optical Trap. Of these, ∼ 10^6 atoms are transferred in a red detuned Dipole Trap and an evaporation stage follows, where...

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Main Author: Baldolini, Daniele
Format: Thesis (University of Nottingham only)
Language:English
Published: 2018
Online Access:https://eprints.nottingham.ac.uk/49710/
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author Baldolini, Daniele
author_facet Baldolini, Daniele
author_sort Baldolini, Daniele
building Nottingham Research Data Repository
collection Online Access
description In this thesis, a stable device for the production of a 6Li2 molecular BEC is presented. Lithium atoms are slowed down by a Zeeman Slower and 10^8 atoms are trapped in a Magneto Optical Trap. Of these, ∼ 10^6 atoms are transferred in a red detuned Dipole Trap and an evaporation stage follows, where molecules are formed by tuning interactions via Feshbach resonances. At the end of the evaporation, a condensate containing ∼ 10^4 molecules is produced. The condensate is thus analyzed using both the standard Time of Flight technique and the in situ technique, where interactions between the condensate and thermal part are taken into account. In this description, two models are discussed: the semi-ideal approximation and the Hartree-Fock model. The difference between the two models is discussed and supported by experimental data. Furthermore, the possibility of implementing a Sub-Doppler cooling system for lithium based on the D1 Gray molasses technique is analyzed and a preliminary realization is discussed.
first_indexed 2025-11-14T20:13:45Z
format Thesis (University of Nottingham only)
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institution University of Nottingham Malaysia Campus
institution_category Local University
language English
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publishDate 2018
recordtype eprints
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spelling nottingham-497102025-02-28T14:00:01Z https://eprints.nottingham.ac.uk/49710/ In situ measurements of strongly interacting Lithium system Baldolini, Daniele In this thesis, a stable device for the production of a 6Li2 molecular BEC is presented. Lithium atoms are slowed down by a Zeeman Slower and 10^8 atoms are trapped in a Magneto Optical Trap. Of these, ∼ 10^6 atoms are transferred in a red detuned Dipole Trap and an evaporation stage follows, where molecules are formed by tuning interactions via Feshbach resonances. At the end of the evaporation, a condensate containing ∼ 10^4 molecules is produced. The condensate is thus analyzed using both the standard Time of Flight technique and the in situ technique, where interactions between the condensate and thermal part are taken into account. In this description, two models are discussed: the semi-ideal approximation and the Hartree-Fock model. The difference between the two models is discussed and supported by experimental data. Furthermore, the possibility of implementing a Sub-Doppler cooling system for lithium based on the D1 Gray molasses technique is analyzed and a preliminary realization is discussed. 2018-07-19 Thesis (University of Nottingham only) NonPeerReviewed application/pdf en arr https://eprints.nottingham.ac.uk/49710/1/THESIS.pdf Baldolini, Daniele (2018) In situ measurements of strongly interacting Lithium system. MSc(Res) thesis, University of Nottingham.
spellingShingle Baldolini, Daniele
In situ measurements of strongly interacting Lithium system
title In situ measurements of strongly interacting Lithium system
title_full In situ measurements of strongly interacting Lithium system
title_fullStr In situ measurements of strongly interacting Lithium system
title_full_unstemmed In situ measurements of strongly interacting Lithium system
title_short In situ measurements of strongly interacting Lithium system
title_sort in situ measurements of strongly interacting lithium system
url https://eprints.nottingham.ac.uk/49710/