Polarizations of Gravitational Waves in the Bumblebee Gravity Model

Kavli Affiliate: Lijing Shao | First 5 Authors: Dicong Liang, Rui Xu, Xuchen Lu, Lijing Shao, | Summary: Lorentz violation modifies the dispersion relation of gravitational waves (GWs), and induces birefringence and anisotropy in propagation. Our study shows that Lorentz violation can also activate multiple polarizations of GWs. We use the gauge invariants to investigate […]


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Content-oriented learned image compression

Kavli Affiliate: Jing Wang | First 5 Authors: Meng Li, Shangyin Gao, Yihui Feng, Yibo Shi, Jing Wang | Summary: In recent years, with the development of deep neural networks, end-to-end optimized image compression has made significant progress and exceeded the classic methods in terms of rate-distortion performance. However, most learning-based image compression methods are […]


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Characterization of the John A. Galt telescope for radio holography with CHIME

Kavli Affiliate: Kiyoshi Masui | First 5 Authors: Alex Reda, Tristan Pinsonneault-Marotte, Meiling Deng, Mandana Amiri, Kevin Bandura | Summary: The Canadian Hydrogen Intensity Mapping Experiment (CHIME) will measure the 21 cm emission of astrophysical neutral hydrogen to probe large scale structure at redshifts z=0.8-2.5. However, detecting the 21 cm signal beneath substantially brighter foregrounds […]


Continue.. Characterization of the John A. Galt telescope for radio holography with CHIME

Characterization of the John A. Galt telescope for radio holography with CHIME

Kavli Affiliate: Kiyoshi Masui | First 5 Authors: Alex Reda, Tristan Pinsonneault-Marotte, Meiling Deng, Mandana Amiri, Kevin Bandura | Summary: The Canadian Hydrogen Intensity Mapping Experiment (CHIME) will measure the 21 cm emission of astrophysical neutral hydrogen to probe large scale structure at redshifts z=0.8-2.5. However, detecting the 21 cm signal beneath substantially brighter foregrounds […]


Continue.. Characterization of the John A. Galt telescope for radio holography with CHIME

First Insights into the ISM at $z>8$ with JWST: Possible Physical Implications of a High [O III]$mathbf{λ4363}$/[O III]$mathbf{λ 5007}$

Kavli Affiliate: Roberto Maiolino | First 5 Authors: Harley Katz, Aayush Saxena, Alex J. Cameron, Stefano Carniani, Andrew J. Bunker | Summary: We present a detailed analysis of the rest-frame optical emission line ratios for three spectroscopically confirmed galaxies at $z>7.5$. The galaxies were identified in the James Webb Space Telescope (JWST) Early Release Observations […]


Continue.. First Insights into the ISM at $z>8$ with JWST: Possible Physical Implications of a High [O III]$mathbf{λ4363}$/[O III]$mathbf{λ 5007}$

Distributed YSOs in the Perseus Molecular Cloud from the Gaia and LAMOST Surveys

Kavli Affiliate: Gregory J. Herczeg | First 5 Authors: Xiao-Long Wang, Min Fang, Yu Gao, Hong-Xin Zhang, Gregory J. Herczeg | Summary: Identifying the young optically visible population in a star-forming region is essential for fully understanding the star formation event. In this paper, We identify 211 candidate members of the Perseus molecular cloud based […]


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Diagnosing FUor-like Sources: The Parameter Space of Viscously Heated Disks in the Optical and Near-IR

Kavli Affiliate: Gregory J. Herczeg | First 5 Authors: Hanpu Liu, Gregory J. Herczeg, Doug Johnstone, Carlos Contreras-Peña, Jeong-Eun Lee | Summary: FU Ori type objects (FUors) are decades-long outbursts of accretion onto young stars that are strong enough to viscously heat disks so that the disk outshines the central star. We construct models for […]


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Testing magnetic interference between TES detectors and the telescope environment for future CMB satellite missions

Kavli Affiliate: Nobuhiko Katayama | First 5 Authors: Tommaso Ghigna, Thuong Duc Hoang, Takashi Hasebe, Yurika Hoshino, Nobuhiko Katayama | Summary: The two most common components of several upcoming CMB experiments are large arrays of superconductive TES (Transition-Edge Sensor) detectors and polarization modulator units, e.g. continuously-rotating Half-Wave Plates (HWP). A high detector count is necessary […]


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INTERACT: Achieving Low Sample and Communication Complexities in Decentralized Bilevel Learning over Networks

Kavli Affiliate: Jia Liu | First 5 Authors: Zhuqing Liu, Xin Zhang, Prashant Khanduri, Songtao Lu, Jia Liu | Summary: In recent years, decentralized bilevel optimization problems have received increasing attention in the networking and machine learning communities thanks to their versatility in modeling decentralized learning problems over peer-to-peer networks (e.g., multi-agent meta-learning, multi-agent reinforcement […]


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Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

Kavli Affiliate: John E. Carlstrom | First 5 Authors: Darcy R. Barron, Amy N. Bender, Ian E. Birdwell, John E. Carlstrom, Jacques Delabrouille | Summary: CMB-S4 will map the cosmic microwave background to unprecedented precision, while simultaneously surveying the millimeter-wave time-domain sky, in order to advance our understanding of cosmology and the universe. CMB-S4 will […]


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