Journal
FEW-BODY SYSTEMS
Volume 58, Issue 2, Pages -Publisher
SPRINGER WIEN
DOI: 10.1007/s00601-016-1203-0
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Funding
- EPSRC CM-CDT [EP/L015110/1]
- EPSRC [EP/M024636/1]
- Danish Council for Independent Research DFF Natural Sciences
- DFF Sapere Aude program
- EPSRC [EP/M024636/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/M024636/1, 1662944] Funding Source: researchfish
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Recently, the topics of many-body localization (MBL) and one-dimensional strongly interacting few-body systems have received a lot of interest. These two topics have been largely developed separately. However, the generality of the latter as far as external potentials are concerned-including random and quasirandom potentials-and their shared spatial dimensionality, makes it an interesting way of dealing with MBL in the strongly interacting regime. Utilising tools developed for few-body systems we look to gain insight into the localization properties of the spin in a Fermi gas with strong interactions. We observe a delocalized-localized transition over a range of fillings of a quasirandom lattice. We find this transition to be of a different nature for low and high fillings, due to the diluteness of the system for low fillings.
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