PRB Letter ” “Thermodynamics of non-Hermitian Josephson junctions with exceptional points”, D. Michel Pino, Yigal Meir and Ramón Aguado https://journals.aps.org/prb/abstract/10.1103/PhysRevB.111.L140503
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PRX Quantum “Majorana Qubits and Non-Abelian Physics in Quantum Dot–Based Minimal Kitaev Chains”
https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.5.010323
In this paper, Ruben Seoane and coworkers show how to demonstrate non-Abelian statistics with Majoranas created in minimal Kitaev chains based on quantum dots.
NATURE PHYSICS “«Direct manipulation of a superconducting spin qubit strongly coupled to a transmon qubit»
Nature Communications “Heavy quasiparticles and cascades without symmetry breaking in twisted bilayer graphene”
New publication in Nature “Majorana-like Coulomb spectroscopy in the absence of zero-bias peaks “
Majoranas are theoretical particles of great interest, as they are anticipated to show different exotic properties, including their applications in quantum computing. However, the jury is still out on whether these particles have been detected experimentally or not. In our collaborationwith scientists at the Institute of Science and Technology Austria (ISTA) and the Catalan Institute of Nanoscience and Nanotechnology (ICN2), we have discovered Majorana imposters by applying two measurement techniques, which will help to reduce interpretation uncertainties in the future search for these elusive particles. Our findings, based on new theoretical and experimental investigations, are published in Nature
New publication in Science “Nontopological zero-bias peaks in full-shell nanowires induced by flux-tunable Andreev states”
Most experimental claims of Majorana bound states rest on the observation of a persistent zero bias peak (ZBP) in tunneling spectra. In our paper, we provide comprehensive evidence that the ZBPs observed in the experiments with semiconductor nanowires fully coated with a superconducting shell are not of Majorana origin. Instead, our theory demonstrates that ZBPs can be explained in terms of Yu-Shiba-Rusinov states (a special type of Andreev bound state) that originate in the tunneling region owing to the competition between electron correlations and superconductivity.
Nature Review Physics “From Andreev to Majorana bound states in hybrid superconductor-semiconductor nanowires”
In this review, we discuss the main properties of Andreev and Majorana bound states, state-of-the-art techniques for their detection and theoretical progress beyond minimal models, including different types of robust zero modes that may emerge without a band-topological transition.
Invited perspective on hybrid semiconductor-superconductor qubits by Ramon Aguado in Applied Physics Letters
Check out Ramon’s recent invited perspective article in Applied Physics Letters on hybrid semiconductor-superconductor qubits.
Interactions in the 8-orbital model for twisted bilayer graphene. Phys. Rev. B 102, 155149 (2020)
Correlated states in magic angle twisted bilayer graphene under the optical conductivity scrutiny. Quantum materials 5, 57 (2020)
