Impact of spin-entropy on the thermoelectric properties of a 2D magnet

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Alessandra Canetta, Serhii Volosheniuk, Sayooj Satheesh, José Pedro Alvarinhas Batista, Aloïs Castellano | Summary: Heat-to-charge conversion efficiency of thermoelectric materials is closely linked to the entropy per charge carrier. Thus, magnetic materials are promising building blocks for highly efficient energy harvesters, as their […]


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Resolving chiral transitions in Rydberg arrays with quantum Kibble-Zurek mechanism and finite-time scaling

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Jose Soto Garcia, Natalia Chepiga, , , | Summary: The experimental realization of the quantum Kibble-Zurek mechanism in arrays of trapped Rydberg atoms has brought the problem of commensurate-incommensurate transition back into the focus of active research. Relying on equilibrium simulations of finite intervals, direct chiral transitions […]


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Passive and active suppression of transduced noise in silicon spin qubits

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Jaemin Park, Hyeongyu Jang, Hanseo Sohn, Jonginn Yun, Younguk Song | Summary: Addressing and mitigating decoherence sources plays an essential role in the development of a scalable quantum computing system, which requires low gate errors to be consistently maintained throughout the circuit execution. While nuclear spin-free materials, […]


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Hardware requirements for trapped-ion based verifiable blind quantum computing with a measurement-only client

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Janice van Dam, Guus Avis, Tzula B Propp, Francisco Ferreira da Silva, Joshua A Slater | Summary: In blind quantum computing, a user with a simple client device can perform a quantum computation on a remote quantum server such that the server cannot gain knowledge about the […]


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Reducing the error rate of a superconducting logical qubit using analog readout information

Kavli Affiliate: Leonardo Dicarlo | First 5 Authors: Hany Ali, Jorge Marques, Ophelia Crawford, Joonas Majaniemi, Marc Serra-Peralta | Summary: Quantum error correction enables the preservation of logical qubits with a lower logical error rate than the physical error rate, with performance depending on the decoding method. Traditional error decoding approaches, relying on the binarization […]


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Signatures of Majorana protection in a three-site Kitaev chain

Kavli Affiliate: Michael Wimmer | First 5 Authors: Alberto Bordin, Chun-Xiao Liu, Tom Dvir, Francesco Zatelli, Sebastiaan L. D. ten Haaf | Summary: Majorana zero modes (MZMs) are non-Abelian excitations predicted to emerge at the edges of topological superconductors. One proposal for realizing a topological superconductor in one dimension involves a chain of spinless fermions, […]


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Operating semiconductor quantum processors with hopping spins

Kavli Affiliate: Menno Veldhorst | First 5 Authors: Chien-An Wang, Valentin John, Hanifa Tidjani, Cécile X. Yu, Alexander Ivlev | Summary: Qubits that can be efficiently controlled are pivotal in the development of scalable quantum hardware. Resonant control is commonly embraced to execute high-fidelity quantum gates but demands integration of high-frequency oscillating signals and results […]


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Phononic Crystals in Superfluid Thin-Film Helium

Kavli Affiliate: Simon Groblacher | First 5 Authors: Alexander Rolf Korsch, Niccolò Fiaschi, Simon Gröblacher, , | Summary: In recent years, nanomechanical oscillators in thin films of superfluid helium have attracted attention in the field of optomechanics due to their exceptionally low mechanical dissipation and optical scattering. Mechanical excitations in superfluid thin films – so-called […]


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Tuning the Spin Interaction in Non-planar Organic Diradicals Through Mechanical Manipulation

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Alessio Vegliante, Saleta Fernandez, Ricardo Ortiz, Manuel Vilas-Varela, Thomas Baum | Summary: Open-shell polycyclic aromatic hydrocarbons (PAHs) represent promising building blocks for carbon-based functional magnetic materials. Their magnetic properties stem from the presence of unpaired electrons localized in radical states of $pi$ character. […]


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Flux-tunable Kitaev chain in a quantum dot array

Kavli Affiliate: Michael Wimmer | First 5 Authors: Juan Daniel Torres Luna, A. Mert Bozkurt, Michael Wimmer, Chun-Xiao Liu, | Summary: Connecting quantum dots through Andreev bound states in a semiconductor-superconductor hybrid provides a platform to create a Kitaev chain. Interestingly, in a double quantum dot, a pair of poor man’s Majorana zero modes can […]


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