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Superconductivity in Time-reversal broken ORbital Magnetic matter

Objectif

Among the most striking macroscopic manifestations of quantum mechanics are superconductivity and fractionalization—two phenomena long considered fundamentally antagonistic.
Superconductivity originates from the formation of electron pairs, typically in spin-singlet states, whereas fractionalized phases emerge in spin- or valley-polarized environments that tend to disrupt such pairing. Remarkably, recent experimental breakthroughs have revealed flat-band materials in which these orders intrinsically coexist, and, in some cases, magnetic ordering and fractionalization can even enhance superconductivity rather than suppress it.
This paradigm shift opens a path to realizing long-sought topological phases hosting unconventional excitations—from anyons to Majorana quasiparticles—and establishes a powerful platform for next-generation quantum technologies with direct relevance to fault-tolerant quantum computation and quantum information processing.
STORM tackles this frontier, aiming to understand how superconductivity not only survives but thrives in systems with broken time-reversal symmetry, where interaction energy exceeds quasiparticle kinetic energy.
This project is driven by three fundamental questions: What mechanisms govern the emergence and stability of superconductivity in spin- and valley-polarized systems? How do spatially modulated magnetic fields reshape it? And how can its topological properties be exploited to engineer new quantum phases and devices?
To answer these questions, I will combine analytical approaches that provide deep physical insight with innovative numerical techniques capable of simultaneously resolving bulk and edge properties, overcoming key limitations of current methods. Together, these efforts will push the boundaries of our understanding of exotic quantum phases and provide a predictive framework to guide future experimental discoveries and technological applications.

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Programme(s)

Thème(s)

Régime de financement

HORIZON-ERC - HORIZON ERC Grants

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Appel à propositions

(s’ouvre dans une nouvelle fenêtre) ERC-2026-STG

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Institution d’accueil

UNIVERSITA DI PISA
Contribution nette de l'UE
€ 1 486 211,00
Coût total
€ 1 486 211,00

Bénéficiaires (1)