$S^5$: New insights from deep spectroscopic observations of the tidal tails of the globular clusters NGC 1261 and NGC 1904

Kavli Affiliate: Alexander P. Ji | First 5 Authors: Petra Awad, Ting S. Li, Denis Erkal, Reynier F. Peletier, Kerstin Bunte | Summary: As globular clusters (GCs) orbit the Milky Way, their stars are tidally stripped forming tidal tails that follow the orbit of the clusters around the Galaxy. The morphology of these tails is […]


Continue.. $S^5$: New insights from deep spectroscopic observations of the tidal tails of the globular clusters NGC 1261 and NGC 1904

An Exact Solution for the Kinetic Ising Model with Non-Reciprocity

Kavli Affiliate: Savdeep Sethi | First 5 Authors: Gabriel Weiderpass, Mayur Sharma, Savdeep Sethi, , | Summary: A wide range of non-equilibrium phenomena in nature involve non-reciprocal interactions. To understand the novel behaviors that can emerge in such systems, finding tractable models is essential. With this goal, we introduce a non-reciprocal generalization of the kinetic […]


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Solving the Kinetic Ising Model with Non-Reciprocity

Kavli Affiliate: Savdeep Sethi | First 5 Authors: Gabriel Weiderpass, Mayur Sharma, Savdeep Sethi, , | Summary: Non-reciprocal interactions are a generic feature of non-equilibrium systems. We define a non-reciprocal generalization of the kinetic Ising model in one spatial dimension. We solve the model exactly using two different approaches for infinite, semi-infinite and finite systems […]


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Observable CMB Tensor Modes from Cosmological Phase Transitions

Kavli Affiliate: Gordan Krnjaic | First 5 Authors: Kylar Greene, Aurora Ireland, Gordan Krnjaic, Yuhsin Tsai, | Summary: A B-mode polarization signal in the cosmic microwave background is widely regarded as smoking gun evidence for gravitational waves produced during inflation. Here we demonstrate that tensor perturbations from a cosmological phase transition in the post-inflationary universe […]


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The realm of Aurora. Density distribution of metal-poor giants in the heart of the Galaxy

Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Evgeny P. Kurbatov, Vasily Belokurov, Sergey Koposov, Andrey Kravtsov, Elliot Y. Davies | Summary: The innermost portions of the Milky Way’s stellar halo have avoided scrutiny until recently. The lack of wide-area survey data, made it difficult to reconstruct an uninterrupted view of the density distribution of […]


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Quantum Digital Twins for Uncertainty Quantification

Kavli Affiliate: Elise Jennings | First 5 Authors: Soronzonbold Otgonbaatar, Elise Jennings, , , | Summary: Modern supercomputers can handle resource-intensive computational and data-driven problems in various industries and academic fields. These supercomputers are primarily made up of traditional classical resources comprising CPUs and GPUs. Integrating quantum processing units with supercomputers offers the potential to […]


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Blind source separation of the stellar halo

Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Elliot Y. Davies, Vasily Belokurov, Andrey Kravtsov, Stephanie Monty, GyuChul Myeong | Summary: The stellar halo of the Milky Way comprises an abundance of chemical signatures from accretion events and textit{in-situ} evolution, that form an interweaving tapestry in kinematic space. To untangle this, we consider the mixtures […]


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Neural Network Prediction of Strong Lensing Systems with Domain Adaptation and Uncertainty Quantification

Kavli Affiliate: Brian D. Nord | First 5 Authors: Shrihan Agarwal, Aleksandra Ćiprijanović, Brian D. Nord, , | Summary: Modeling strong gravitational lenses is computationally expensive for the complex data from modern and next-generation cosmic surveys. Deep learning has emerged as a promising approach for finding lenses and predicting lensing parameters, such as the Einstein […]


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Chemical Abundances in the Leiptr Stellar Stream: A Disrupted Ultra-faint Dwarf Galaxy?

Kavli Affiliate: Alexander P. Ji | First 5 Authors: Kaia R. Atzberger, Sam A. Usman, Alexander P. Ji, Lara R. Cullinane, Denis Erkal | Summary: Chemical abundances of stellar streams can be used to determine the nature of a stream’s progenitor. Here we study the progenitor of the recently discovered Leiptr stellar stream, which was […]


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Cosmic Ray Mediated Thermal Fronts in the Warm-Hot Circumgalactic Medium

Kavli Affiliate: Nickolay Y. Gnedin | First 5 Authors: Hanjue Zhu, Ellen G. Zweibel, Nickolay Y. Gnedin, , | Summary: We investigate the 1D plane-parallel front connecting the warm ($10^4$ K) and hot ($10^6$ K) phases of the circumgalactic medium (CGM), focusing on the influence of cosmic rays (CRs) in shaping these transition layers. We […]


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