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CriLiN

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An Atomic Quantum Simulator with long range multi body interactions

Ultracold atomic gases have emerged as ideal quantum simulators, as they enable experimentalists to study the interplay between the properties of a quantum many-body system and the interactions between its constituents with unmatc... ver más

31/08/2022

CNR

183K€

Presupuesto del proyecto: 183K€

Líder del proyecto

CONSIGLIO NAZIONALE DELLE RICERCHE No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Ver 3 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-08-31

MSCA-IF-2019: Individual Fellowships

I+D

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3 Participantes

CNR

183.47K€ | Lider

PLASTICOS ESPAÑOLES

226.69K€ | Participante

REPSOL / GALP

420.81K€ | Participante

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Duración del proyecto: 29 meses Fecha Inicio: 2020-03-11
Fecha Fin: 2022-08-31

Líder del proyecto

CONSIGLIO NAZIONALE DELLE RICERCHE No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 183K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Ultracold atomic gases have emerged as ideal quantum simulators, as they enable experimentalists to study the interplay between the properties of a quantum many-body system and the interactions between its constituents with unmatched accuracy. However, in spite of impressive progresses, an atomic quantum simulator of highly correlated fermionic matter, able to address both phenomena of exotic superfluidity and itinerant ferromagnetism, still awaits experimental demonstration. Such a system needs to be built from the ground-up by carefully harnessing the underlying few-body physics. In CriLiN I will develop and test a new kind of Atomic Quantum Simulator of unequal-mass spin-1/2 fermions with long-range, multi-body resonant interactions. In order to do so, I will exploit the still unexplored 6Li-53Cr Fermi-Fermi mixture which, thanks to its special mass ratio of M/m=8.8, exhibits unique few-body properties that strongly favour the many-body phases of our interest. Indeed, on the molecular side of an interspecies s-wave Feshbach resonance, the Cr-Li system supports a real (virtual) stable universal trimer (tetramer) state, while benefiting from quantum-interference induced suppression of three-body recombination processes. At the few-body level, this will allow for the first time to resonantly tune multi-body, long-range p-wave interactions. At the many-body level, this will allow both to investigate Stoner's model of itinerant ferromagnetism and to greatly enhance the possibility to attain elusive superfluid regimes or topologically non-trivial p-wave superfluids. In CriLiN I will: (i) realize a degenerate 6Li-53Cr Fermi-Fermi mixture and identify intra- and inter-species Feshbach resonances suitable for our simulator; (ii) unveil and characterize stable cluster states and exploit them to resonantly tune three- and four-body elastic interactions; (iii) demonstrate the suppression of inelastic pairing processes in repulsively interacting mixtures.

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