Measuring Casimir Force Across a Superconducting Transition

Kavli Affiliate: Sander Otte | First 5 Authors: Minxing Xu, Robbie J. G. Elbertse, Ata Keşkekler, Giuseppe Bimonte, Jinwon Lee | Summary: The Casimir effect and superconductivity are foundational quantum phenomena whose interaction remains an open question in physics. How Casimir forces behave across a superconducting transition remains unresolved, owing to the experimental difficulty of […]


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QARPET: A Crossbar Chip for Benchmarking Semiconductor Spin Qubits

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Alberto Tosato, Asser Elsayed, Federico Poggiali, Lucas Stehouwer, Davide Costa | Summary: Large-scale integration of semiconductor spin qubits into industrial quantum processors hinges on the ability to characterize the performance of quantum components at scale. While the semiconductor industry has addressed scalable testing for transistors using device […]


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Identifying biases of the Majorana scattering invariant

Kavli Affiliate: Michael Wimmer | First 5 Authors: Isidora Araya Day, Antonio L. R. Manesco, Michael Wimmer, Anton R. Akhmerov, | Summary: The easily accessible experimental signatures of Majorana modes are ambiguous and only probe topology indirectly: for example, quasi-Majorana states mimic most properties of Majoranas. Establishing a correspondence between an experiment and a theoretical […]


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Exchange cross-talk mitigation in dense quantum dot arrays

Kavli Affiliate: Menno Veldhorst | First 5 Authors: Daniel Jirovec, Pablo Cova Fariña, Stefano Reale, Stefan D. Oosterhout, Xin Zhang | Summary: Coupled spins in semiconductor quantum dots are a versatile platform for quantum computing and simulations of complex many-body phenomena. However, on the path of scale-up, cross-talk from densely packed electrodes poses a severe […]


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Adiabatic Fine-Tuning of Neural Quantum States Enables Detection of Phase Transitions in Weight Space

Kavli Affiliate: Eliska Greplova | First 5 Authors: Vinicius Hernandes, Thomas Spriggs, Saqar Khaleefah, Eliska Greplova, | Summary: Neural quantum states (NQS) have emerged as a powerful tool for approximating quantum wavefunctions using deep learning. While these models achieve remarkable accuracy, understanding how they encode physical information remains an open challenge. In this work, we […]


Continue.. Adiabatic Fine-Tuning of Neural Quantum States Enables Detection of Phase Transitions in Weight Space

Adiabatic Fine-Tuning of Neural Quantum States Enables Detection of Phase Transitions in Weight Space

Kavli Affiliate: Eliska Greplova | First 5 Authors: Vinicius Hernandes, Thomas Spriggs, Saqar Khaleefah, Eliska Greplova, | Summary: Neural quantum states (NQS) have emerged as a powerful tool for approximating quantum wavefunctions using deep learning. While these models achieve remarkable accuracy, understanding how they encode physical information remains an open challenge. In this work, we […]


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Two-qubit logic and teleportation with mobile spin qubits in silicon

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Yuta Matsumoto, Maxim De Smet, Larysa Tryputen, Sander L. de Snoo, Sergey V. Amitonov | Summary: The scalability and power of quantum computing architectures depend critically on high-fidelity operations and robust and flexible qubit connectivity. In this respect, mobile qubits are particularly attractive as they enable dynamic […]


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A Modular Quantum Network Architecture for Integrating Network Scheduling with Local Program Execution

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Thomas R. Beauchamp, Hana Jirovská, Scarlett Gauthier, Stephanie Wehner, | Summary: We propose an architecture for scheduling network operations enabling the end-to-end generation of entanglement according to user demand. The main challenge solved by this architecture is to allow for the integration of a network schedule with […]


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Unified evolutionary optimization for high-fidelity spin qubit operations

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Sam R. Katiraee-Far, Yuta Matsumoto, Brennan Undseth, Maxim De Smet, Valentina Gualtieri | Summary: Developing optimal strategies to calibrate quantum processors for high-fidelity operation is one of the outstanding challenges in quantum computing today. Here, we demonstrate multiple examples of high-fidelity operations achieved using a unified global […]


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Deconfined quantum criticality in a frustrated Haldane chain with single-ion anisotropy

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Niels T. Pronk, Bowy M. La Rivière, Natalia Chepiga, , | Summary: We report a phase diagram of the antiferromagnetic spin-1 chain with nearest-neighbor Heisenberg and three-site interactions in the presence of single-ion anisotropy. We show that the Gaussian and Ising transitions that separate the topological Haldane […]


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