Microwave spectroscopy of interacting Andreev spins

Kavli Affiliate: L. P. Kouwenhoven | First 5 Authors: J. J. Wesdorp, F. J. Matute-Caňadas, A. Vaartjes, L. Grünhaupt, T. Laeven | Summary: Andreev bound states are fermionic states localized in weak links between superconductors which can be occupied with spinful quasiparticles. Microwave experiments using superconducting circuits with InAs/Al nanowire Josephson junctions have recently enabled […]


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TOI-4562 b: A highly eccentric temperate Jupiter analog orbiting a young field star

Kavli Affiliate: Andrew M. Vanderburg | First 5 Authors: Alexis Heitzmann, George Zhou, Samuel N. Quinn, Chelsea X. Huang, Jiayin Dong | Summary: We report the discovery of TOI-4562 b (TIC-349576261), a Jovian planet orbiting a young F7V-type star, younger than the Praesepe/Hyades clusters (< $700$ Myr). This planet stands out because of its unusually […]


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TOI-4562 b: A highly eccentric temperate Jupiter analog orbiting a young field star

Kavli Affiliate: Sara Seager | First 5 Authors: Alexis Heitzmann, George Zhou, Samuel N. Quinn, Chelsea X. Huang, Jiayin Dong | Summary: We report the discovery of TOI-4562 b (TIC-349576261), a Jovian planet orbiting a young F7V-type star, younger than the Praesepe/Hyades clusters ($sim$ 300-400 Myr). This planet stands out because of its unusually long […]


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Acoustic spin current generation in superconductors

Kavli Affiliate: Mamoru Matsuo | First 5 Authors: Takumi Funato, Ai Yamakage, Mamoru Matsuo, , | Summary: We theoretically study the generation of spin current due to a surface acoustic wave (SAW) in a superconductor. We model an s-wave superconductor as the mean-field Hamiltonian and calculate spin current generated via spin-vorticity coupling based on kinetic […]


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Learning Dynamic Contextualised Word Embeddings via Template-based Temporal Adaptation

Kavli Affiliate: Yi Zhou | First 5 Authors: Xiaohang Tang, Yi Zhou, Danushka Bollegala, , | Summary: Dynamic contextualised word embeddings represent the temporal semantic variations of words. We propose a method for learning dynamic contextualised word embeddings by time-adapting a pretrained Masked Language Model (MLM) using time-sensitive templates. Given two snapshots $C_1$ and $C_2$ […]


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Microwave-optics Entanglement via Cavity Optomagnomechanics

Kavli Affiliate: Simon Groblacher | First 5 Authors: Zhi-Yuan Fan, Liu Qiu, Simon Gröblacher, Jie Li, | Summary: Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here we show how to prepare stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system. It consists of a magnon mode in […]


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Theory of Nb-Zr Alloy Superconductivity and First Experimental Demonstration for Superconducting Radio-Frequency Cavity Applications

Kavli Affiliate: David A. Muller | First 5 Authors: Nathan S. Sitaraman, Zeming Sun, Ben Francis, Ajinkya C. Hire, Thomas Oseroff | Summary: Niobium-zirconium (Nb-Zr) alloy is an old superconductor that is a promising new candidate for superconducting radio-frequency (SRF) cavity applications. Using density-functional and Eliashberg theories, we show that addition of Zr to a […]


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Entropy Enhanced Multi-Agent Coordination Based on Hierarchical Graph Learning for Continuous Action Space

Kavli Affiliate: Ke Wang | First 5 Authors: Yining Chen, Ke Wang, Guanghua Song, Xiaohong Jiang, | Summary: In most existing studies on large-scale multi-agent coordination, the control methods aim to learn discrete policies for agents with finite choices. They rarely consider selecting actions directly from continuous action spaces to provide more accurate control, which […]


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Learning Visibility for Robust Dense Human Body Estimation

Kavli Affiliate: Yi Zhou | First 5 Authors: Chun-Han Yao, Jimei Yang, Duygu Ceylan, Yi Zhou, Yang Zhou | Summary: Estimating 3D human pose and shape from 2D images is a crucial yet challenging task. While prior methods with model-based representations can perform reasonably well on whole-body images, they often fail when parts of the […]


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Age-dependent changes in the dynamic functional organization of the brain at rest – a cross – cultural replication approach

Kavli Affiliate: David Linden | Authors: Xi Yang, Xinqi Zhou, Fei Xin, Benjamin Becker, David Linden and Dennis Hernaus | Summary: Abstract Age-associated changes in brain function play an important role in the development of neurodegenerative diseases. Although previous work has examined age-related changes in static functional connectivity (FC), accumulating evidence suggests that advancing age […]


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