H2020Individual fellowship2021–2023

TEBLA · Topological Effects in Bosonic Lattices

Horizon 2020 — Marie Skłodowska-Curie Actions

Duration
2021-06-01 → 2023-05-31
EU contribution
€190,681
Participants
1
Scheme
MSCA-IF

Lines connect the coordinator with its partners.

Results in brief

Topological Effects in Bosonic Lattices

Topology is a branch of mathematics that investigates geometric shapes that withstand deformation, like a coffee mug that retains the hole in its handle no matter how you deform it. In the last few decades, topology has been explored in the physical properties of many quantum systems. The project studied emergent topological effects in bosonic lattices seeking to unveil novel lasing phenomena and topological fluids. Specifically, the research focussed on the exploration of topology and quantum geometry in the context of non-Hermitian bosonic systems. The significance of this research lies in its potential impact on various technological and scientific domains. The comprehension and the control of topological nanoplasmonic lattice systems can lead to the development of highly efficient nanolasers and ultrasensitive sensors. Such advancements have far-reaching implications, revolutionizing fields such as communication or environmental monitoring. Furthermore, the exploration of topological phenomena in plasmonic lattices opens up the way for topological photonics, offering robust and efficient means of information transport and processing. Advancements in these areas hold the promise of improving the quality of life, driving economic growth, and promoting sustainable and innovative technologies. The overall objectives of the project are twofold: a) Investigate models of interacting bosons in a lattice with non-trivial quantum geometry. b) Examine the effects of topology and quantum geometry on non-Hermitian bosonic systems, with a focus on their lasing properties.

Data: CORDIS, © European Union

Project objective

Controlling and manipulating quantum matter is a fast-growing research topic that could revolutionise technology and influence many aspects of our daily life. A promising step in this direction is to use topological concepts to tune physical properties of matter and to exploit novel phenomena useful to build new physical devices. In the last decade, topology have been extensively studied in the context of quantum many-body systems, a revolution that has led to the discovery of the topological insulators. Similarly, the Fubini-Study metric has just begun to show its physical meaning and role played in some quantum phenomena, but a lot more remains to be investigated. In this Action, I will study how topological and geometrical effects emerge in the physics of bosons in lattices. I will first address the geometrical contribution in the dynamics of two-body bound states, and then I shall identify conditions for enhancing inter-particle interactions on a full many-body system. I will apply these findings on photonic lattice systems and investigate how non-trivial quantum geometry and topology can lead to novel lasing phenomena. The nature of the work, being based on a combination of expertise, will have a strong interdisciplinary character. The research will be done at Aalto University in the Quantum Dynamics group led by Academy Professor Päivi Törmä, with the unique and exciting opportunity for me to work on the theory in a side by side collaboration with the experimentalists of the group. The expected impact of this research will advance our understanding of the topological properties of bosons in lattices, towards the exploration of geometrically-induced ultrafast lasers and strongly correlated topological fluids of light.

Original text from CORDIS.

Participants

  • AALTO KORKEAKOULUSAATIO SR · EspooCoordinatorFinland

Links

Data: CORDIS, © European Union