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UTOPIQ

Financiado

Ultrafast topological engineering of quantum materials

Topological phases of matter emerge from the interplay between broken symmetries and many-body physics and exhibit many fascinating quantum phenomena. Ultrafast switching between different topological phases using light pulses hol... ver más

31/08/2028

CNRS

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 2 Participantes

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-01-12

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

ERC-2022-STG: ERC STARTING GRANTS

I+D

Cerrada hace 2 años

0% 100%

2 Participantes

CNRS

1.75M€ | Lider

UBx

158.63K€ | Participante

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Últimas noticias

25-11-2024: ECE En las últimas 48 horas el Organismo ECE ha otorgado 52 concesiones

25-11-2024: CMVAMADRID En las últimas 48 horas el Organismo CMVAMADRID ha otorgado 1 concesiones

25-11-2024: FUNDACION-EOI En las últimas 48 horas el Organismo FUNDACION EOI ha otorgado 6 concesiones

Duración del proyecto: 67 meses Fecha Inicio: 2023-01-12
Fecha Fin: 2028-08-31

Presupuesto del proyecto 2M€

Descripción del proyecto Topological phases of matter emerge from the interplay between broken symmetries and many-body physics and exhibit many fascinating quantum phenomena. Ultrafast switching between different topological phases using light pulses holds the promise for disruptive optoelectronic functionalities, like dissipationless and fault-tolerant logical operations. However, the lack of proper observable being simultaneously sensitive to the local (in momentum-space) topology of the band structure and compatible with time-resolved measurements prevents the real-time monitoring of ultrafast non-equilibrium topological phase transitions. I will address this fundamental challenge by introducing innovative control and measurement methodologies using tailored light pulses in time-, angle- and polarization-resolved extreme ultraviolet photoemission spectroscopy. This approach will enable to follow the ultrafast evolution of the electronic band structure’s local topology, in photoexcited quantum materials. This will represent a major advance in photoemission spectroscopy, by moving from band structure mapping to accessing the dynamical evolution of the Bloch wavefunction of solids. I will use these novel time- and quantum-state-resolved dichroic observables to investigate the rich non-equilibrium physics underlying ultrafast topological phase transitions occurring on various timescales following impulsive optical excitation using shaped pump pulses: i) during the formation of hybrid light-matter (Floquet-Bloch) states, ii) upon the transient modification of electronic correlations, and iii) following the excitation of coherent phonon modes. UTOPIQ will deliver a dramatically improved understanding of the interplay between the non-equilibrium behaviour and non-trivial topology in photoexcited quantum materials, while further representing a decisive step towards the development of the field of ultrafast ‘on demand’ topology.

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