July 2023 – Page 6 – Kavli Institute Pre-Print Publications

Unravelling the Mechanics of Knitted Fabrics Through Hierarchical Geometric Representation

Posted by klaurent July 23, 2023Harvard

Kavli Affiliate: Katia Bertoldi | First 5 Authors: Xiaoxiao Ding, Vanessa Sanchez, Katia Bertoldi, Chris H. Rycroft, | Summary: Knitting interloops one-dimensional yarns into three-dimensional fabrics that exhibit behaviours beyond their constitutive materials. How extensibility and anisotropy emerge from the hierarchical organization of yarns into knitted fabrics has long been unresolved. We sought to unravel […]

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Observation of spin polarons in a frustrated moiré Hubbard system

Posted by klaurent July 23, 2023Cornell

Kavli Affiliate: Jie Shan | First 5 Authors: Zui Tao, Wenjin Zhao, Bowen Shen, Patrick Knüppel, Kenji Watanabe | Summary: The electron’s kinetic energy plays a pivotal role in magnetism. While virtual electron hopping promotes antiferromagnetism in an insulator, the real process usually favors ferromagnetism. But in kinetically frustrated systems, such as hole doped triangular […]

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Four years of Type Ia Supernovae Observed by TESS: Early Time Light Curve Shapes and Constraints on Companion Interaction Models

Posted by klaurent July 21, 2023MIT

Kavli Affiliate: George R. Ricker | First 5 Authors: M. M. Fausnaugh, P. J. Vallely, M. A. Tucker, C. S. Kochanek, B. J. Shappee | Summary: We present 307 Type Ia supernova (SN) light curves from the first four years of the TESS mission. We use this sample to characterize the shapes of the early […]

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Complex magnetic and spatial symmetry breaking from correlations in kagome flat bands

Posted by dbos July 21, 2023Berkeley

Kavli Affiliate: Joel E. Moore | First 5 Authors: Yu-Ping Lin, Chunxiao Liu, Joel E. Moore, , | Summary: We present the mean-field phase diagram of electrons in a kagome flat band with repulsive interactions. In addition to flat-band ferromagnetism, the Hartree-Fock analysis yields cascades of unconventional magnetic orders driven by onsite repulsion as filling […]

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Complex magnetic and spatial symmetry breaking from correlations in kagome flat bands

Posted by klaurent July 21, 2023Berkeley

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Discovery and characterisation of two Neptune-mass planets orbiting HD 212729 with TESS

Posted by klaurent July 21, 2023MIT

Kavli Affiliate: Christopher Burke | Summary:We report the discovery of two exoplanets orbiting around HD 212729 (TOI,1052, TIC 317060587), a $T_rm eff=6146$K star with V=9.51 observed by TESS in Sectors 1 and 13. One exoplanet, TOI-1052b, is Neptune-mass and transits the star, and an additional planet TOI-1052c is observed in radial velocities but not seen […]

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Design principles of transcription factors with intrinsically disordered regions

Posted by dbos July 20, 2023Harvard

Kavli Affiliate: Ariel Amir | First 5 Authors: Wencheng Ji, Ori Hachmo, Naama Barkai, Ariel Amir, | Summary: Transcription Factors (TFs) are proteins crucial for regulating gene expression. Effective regulation requires the TFs to rapidly bind to the correct target, enabling the cell to respond timely to various stimuli such as nutrient availability or toxin […]

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Roles of intrinsically disordered regions in transcription factor search

Posted by dbos July 20, 2023Harvard

Kavli Affiliate: Ariel Amir | First 5 Authors: Wencheng Ji, Ori Hachmo, Naama Barkai, Ariel Amir, | Summary: Transcription Factors (TFs) are proteins that regulate gene expression. The regulation mechanism is via the binding of a TF to a specific part of the gene associated with it, the TF’s target. For the regulation to be […]

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The Third Fermi Large Area Telescope Catalog of Gamma-ray Pulsars

Posted by klaurent July 20, 2023Stanford

Kavli Affiliate: Peter Michelson | Summary:We present 294 pulsars found in GeV data from the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope. Another 33 millisecond pulsars (MSPs) discovered in deep radio searches of LAT sources will likely reveal pulsations once phase-connected rotation ephemerides are achieved. A further dozen optical and/or X-ray binary […]

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The Third Fermi Large Area Telescope Catalog of Gamma-ray Pulsars

Posted by dbos July 20, 2023Stanford

Kavli Affiliate: Maria Elena Monzani | First 5 Authors: David A. Smith, Philippe Bruel, Colin J. Clark, Lucas Guillemot, Matthew T. Kerr | Summary: We present 294 pulsars found in GeV data from the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope. Another 33 millisecond pulsars (MSPs) discovered in deep radio searches of […]

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