June 13, 2025 – Kavli Institute Pre-Print Publications

Correcting impedance measurements for background parasitics to characterize circuit components in cryogenic environments

Posted by dbos June 13, 2025June 18, 2025Stanford, This Week: Astrophysics

Kavli Affiliate: Noah A. Kurinsky | First 5 Authors: Riley J. Carpenter, Jadyn Anczarski, Ivar Rydstrom, Aviv Simchony, Zoe J. Smith | Summary: Predictable circuit response is a critical prerequisite for accurate electronic measurements. We describe a powerful, yet straightforward, experimental method and analysis model that utilizes an affordable LCR meter in conjunction with an […]

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Hubble’s Multi-Year Search for Exospheres in the TRAPPIST-1 System Reveals Frequent Microflares

Posted by dbos June 13, 2025June 18, 2025MIT, This Week: Astrophysics

Kavli Affiliate: Sara Seager | First 5 Authors: David Berardo, Julien de Wit, Michael Gillon, Ward S. Howard, Vincent Bourrier | Summary: Ly-$alpha$ observations provide a powerful probe of stellar activity and atmospheric escape in exoplanetary systems. We present here an analysis of 104 HST/STIS orbits monitoring the TRAPPIST-1 system between 2017 and 2022, covering […]

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Spot-Crossing Variations Confirm a Misaligned Orbit for a Planet Transiting an M Dwarf

Posted by dbos June 13, 2025June 18, 2025MIT, This Week: Astrophysics

Kavli Affiliate: Avi Shporer | First 5 Authors: Patrick Tamburo, Samuel W. Yee, Juliana García-Mejía, David Charbonneau, Allyson Bieryla | Summary: TOI-3884~b is an unusual 6.4~R$_oplus$ planet orbiting an M4 host, whose transits display large and persistent spot-crossing events. We used the textit{Tierras} Observatory to monitor both the long-term photometric variability of TOI-3884 and changes […]

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Ising versus infinite randomness criticality in arrays of Rydberg atoms trapped with non-perfect tweezers

Posted by dbos June 13, 2025June 18, 2025Delft, This Week: Nanoscience

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Jose Soto-Garcia, Natalia Chepiga, , , | Summary: Chains of Rydberg atoms have emerged as an amazing platform for simulating quantum physics in low dimensions. This remarkable success is due to the versatility of lattice geometries achieved by trapping neutral atoms with optical tweezers. On a given […]

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Credit Assignment via Behavioral Timescale Synaptic Plasticity: Theoretical Frameworks

Posted by dbos June 13, 2025June 18, 2025Columbia, This Week: Neuroscience

Kavli Affiliate: Rui Costa | Authors: Ian Cone, Claudia Clopath and Rui Ponte Costa | Summary: Behavioral Timescale Synaptic Plasticity (BTSP) is a form of synaptic plasticity in which dendritic Ca2+ plateau potentials in hippocampal pyramidal neurons drive rapid place field formation. Unlike traditional learning rules, BTSP learns correlations on the timescales of seconds and […]

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The Throughput Gain of Hypercycle-level Resource Reservation for Time-Triggered Ethernet

Posted by dbos June 13, 2025June 18, 2025Berkeley, This Week: Nanoscience

Kavli Affiliate: Feng Wang | First 5 Authors: Peng Wang, Suman Sourav, Binbin Chen, Hongyan Li, Feng Wang | Summary: Time-Triggered Communication is a key technology for many safety-critical systems, with applications spanning the areas of aerospace and industrial control. Such communication relies on time-triggered flows, with each flow consisting of periodic packets originating from […]

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Fusion of multi-source precipitation records via coordinate-based generative model

Posted by dbos June 13, 2025June 18, 2025Peking, This Week: Astrophysics

Kavli Affiliate: Li Xin Li | First 5 Authors: Sencan Sun, Congyi Nai, Baoxiang Pan, Wentao Li, Xin Li | Summary: Precipitation remains one of the most challenging climate variables to observe and predict accurately. Existing datasets face intricate trade-offs: gauge observations are relatively trustworthy but sparse, satellites provide global coverage with retrieval uncertainties, and […]

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The Diversity of Exoplanetary Environments and the Search for Signs of Life Beyond Earth

Posted by dbos June 13, 2025June 18, 2025MIT, This Week: Astrophysics

Kavli Affiliate: Sara Seager | First 5 Authors: Sara Seager, Janusz J. Petkowski, William Bains, , | Summary: Thousands of exoplanets orbit nearby stars, showcasing a remarkable diversity in mass, size, and orbits. With the James Webb Space Telescope now operational, we are observing exoplanet atmospheres and aiming to reach down to small, habitable-zone exoplanets […]

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Magnon-magnon interaction induced by nonlinear spin wave dynamics

Posted by dbos June 13, 2025June 18, 2025Delft, This Week: Nanoscience

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Matteo Arfini, Alvaro Bermejillo-Seco, Artem Bondarenko, Clinton A. Potts, Yaroslav M. Blanter | Summary: We experimentally and theoretically demonstrate that nonlinear spin-wave dynamics can induce an effective resonant interaction between non-resonant magnon modes in a yttrium iron garnet disk. Under strong pumping near […]

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