Fermionic quantum computation with Cooper pair splitters

Kavli Affiliate: Michael Wimmer | First 5 Authors: Kostas Vilkelis, Antonio Manesco, Juan Daniel Torres Luna, Sebastian Miles, Michael Wimmer | Summary: We propose a practical implementation of a universal quantum computer that uses local fermionic modes (LFM) rather than qubits. The device layout consists of quantum dots tunnel coupled by a hybrid superconducting island […]


Continue.. Fermionic quantum computation with Cooper pair splitters

Fermionic quantum computation with Cooper pair splitters

Kavli Affiliate: Michael Wimmer | First 5 Authors: Kostas Vilkelis, Antonio Manesco, Juan Daniel Torres Luna, Sebastian Miles, Michael Wimmer | Summary: We propose a practical implementation of a universal quantum computer that uses local fermionic modes (LFM) rather than qubits. The device layout consists of quantum dots tunnel coupled by a hybrid superconducting island […]


Continue.. Fermionic quantum computation with Cooper pair splitters

Fermionic quantum computation with Cooper pair splitters

Kavli Affiliate: Michael Wimmer | First 5 Authors: Kostas Vilkelis, Antonio Manesco, Juan Daniel Torres Luna, Sebastian Miles, Michael Wimmer | Summary: We propose a practical implementation of a universal quantum computer that uses local fermionic modes (LFM) rather than qubits. The device layout consists of quantum dots tunnel coupled by a hybrid superconducting island […]


Continue.. Fermionic quantum computation with Cooper pair splitters

Rapid single-shot parity spin readout in a silicon double quantum dot with fidelity exceeding 99 %

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Kenta Takeda, Akito Noiri, Takashi Nakajima, Leon C. Camenzind, Takashi Kobayashi | Summary: Silicon-based spin qubits offer a potential pathway toward realizing a scalable quantum computer owing to their compatibility with semiconductor manufacturing technologies. Recent experiments in this system have demonstrated crucial technologies, including high-fidelity quantum gates […]


Continue.. Rapid single-shot parity spin readout in a silicon double quantum dot with fidelity exceeding 99 %

Tunable quantum criticality in multi-component Rydberg arrays

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Natalia Chepiga, , , , | Summary: Arrays of Rydberg atoms have appeared as a remarkably rich playground to study quantum phase transitions in one dimension. One of the biggest puzzles that was brought forward in this context are chiral phase transitions out of density waves. In […]


Continue.. Tunable quantum criticality in multi-component Rydberg arrays

Tunable quantum criticality in multicomponent Rydberg arrays

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Natalia Chepiga, , , , | Summary: Arrays of Rydberg atoms have appeared as a remarkably rich playground to study quantum phase transitions in one dimension. One of the biggest puzzles that was brought forward in this context are chiral phase transitions out of density waves. Theoretically […]


Continue.. Tunable quantum criticality in multicomponent Rydberg arrays

Quantum-assisted electron transport in microbial protein wires across macroscopic distances

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Jasper R. van der Veen, Silvia Hidalgo Martinez, Albert Wieland, Matteo De Pellegrin, Rick Verweij | Summary: Multicellular cable bacteria display an exceptional form of biological conduction, channeling electrical currents across centimeter distances through a regular network of protein fibers embedded in the […]


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Critical properties of the quantum Ashkin-Teller chain with chiral perturbations

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Bernhard Lüscher, Frédéric Mila, Natalia Chepiga, , | Summary: We investigate the nature of the phase transitions in the quantum Ashkin-Teller chain in the presence of chiral perturbations. We locate the Lifshitz line separating a region of direct chiral transitions from the region where the transition is […]


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Bichromatic Rabi Control of Semiconductor Qubits

Kavli Affiliate: Menno Veldhorst | First 5 Authors: Valentin John, Francesco Borsoi, Zoltán György, Chien-An Wang, Gábor Széchenyi | Summary: Electrically driven spin resonance is a powerful technique for controlling semiconductor spin qubits. However, it faces challenges in qubit addressability and off-resonance driving in larger systems. We demonstrate coherent bichromatic Rabi control of quantum dot […]


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Lack of near-sightedness principle in non-Hermitian systems

Kavli Affiliate: Anton R. Akhmerov | First 5 Authors: Helene Spring, Viktor Könye, Anton R. Akhmerov, Ion Cosma Fulga, | Summary: The non-Hermitian skin effect is a phenomenon in which an extensive number of states accumulates at the boundaries of a system. It has been associated to nontrivial topology, with nonzero bulk invariants predicting its […]


Continue.. Lack of near-sightedness principle in non-Hermitian systems