Project description
A new era in quantum simulation
The fractional quantum Hall (FQH) effect is a unique quantum phenomenon where electrons, when exposed to extreme conditions such as very low temperatures and strong magnetic fields, form new types of matter with special properties that could be useful for quantum technologies. However, studying FQH states in traditional materials like semiconductors, where electrons move through a fixed structure is difficult. With the support of the Marie Skłodowska-Curie Actions programme, the FQHMicroscope project aims to study fermionic FQH states using a cutting-edge quantum gas microscope, a tool that allows researchers to see and manipulate individual atoms. Researchers aim to push the boundaries of quantum simulation and provide a new way to study topological physics with unprecedented precision.
Objective
Fractional quantum Hall (FQH) states are paradigmatic examples of strongly correlated topological quantum matter, combining geometric order and strong interparticle interactions. Yet, limited microscopic control in solid-state platforms often restricts observations to global current or spectroscopy probes. Engineered quantum systems, such as ultracold atoms in optical lattices, offer a complementary route for exploring topological order leveraging precise control over Hamiltonian parameters and access to local observables through quantum gas microscopy.
The primary goal of this project is to prepare and probe quantum-engineered fermionic FQH states for the first time in a next-generation quantum gas microscope. First, we will implement direct laser cooling of fermionic Li-6 atoms to efficiently prepare individual atoms in the ground state of optical tweezers, and holographically project lattice potentials to assemble Fermi-Hubbard systems atom by atom. To explore FQH physics, we will implement small fermionic Harper-Hofstadter systems via Floquet engineering. Leveraging our system’s excellent coherence, we will extend observations beyond two particles and perform first observations fractionally charged quasi-hole excitations pinned by local repulsive potentials. To access a broader class of fermionic FQH states, we will build upon recent advances in multi-orbital lattices and engineer p-wave interactions between pairs of spinless fermions. This approach will facilitate first microscopic studies of exotic Pfaffian states.
Our results will significantly impact research in quantum simulation and topological physics. Technically, we will advance programmable optical lattices, enabling sub-second cycle times and unprecedented levels of control in quantum gas microscopes. Implementing p-wave interactions will facilitate the exploration of Pfaffian states and non-Abelian excitations, which are building blocks for fault-tolerant topological quantum computing.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences physical sciences theoretical physics particle physics fermions
- natural sciences physical sciences optics microscopy
- natural sciences physical sciences optics laser physics
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2024-PF-01
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3400 Klosterneuburg
Austria
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