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2021.05.20
Chaos and the time-reversibility paradox
During the Great Plague of London in 1965, Isaac Newton went for a 2 year quarantene in his home in Woolsthorpe, where he layed down the faundation of his later theories on calculus, optics and the la...
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2021.05.13
Understanding the Structures and Evolutions of Massive Stars Based on 3D Radiation Hydrodynamic Simulations
Massive stars play important roles in many astrophysical systems by providing the radiative and mechanical energy output. They can also produce black holes and neutron stars when they explode. However...
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2021.05.06
Universal Properties of Light Rings for Stationary Axisymmetric Spacetimes
Light rings (LRs) play an important role in gravitational wave observations and black hole photographs. In this paper, we investigate general features of LRs in stationary, axisymmetric, asymptotical...
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2021.04.29
Unravelling Atomic ISM Physics Across the Local Group
Encoded in the atomic ISM is physics crucial to the baryonic cycle, including the formation of molecular clouds and the origin of interstellar turbulence from stellar feedback. Nearby galaxies provide...
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2021.04.22
Recent progress in cosmological collider physics
Heavy particles can be produced on shell during inflation and leave distinct signals in the correlations of density fluctuations. These signals can be searched for in the future CMB/LSS/21cm observati...
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2021.04.15
Some MHD processes during planet formation and evolution
The Planet formation involves complicated MHD processes. Planets are believed to be formed within the proto-planetary disks. The speaker will talk about some of the processes related to the proto-plan...
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2021.04.08
Time-delay cosmography: tensions between measurements of the Hubble constant from the early and late Universe
The Hubble Constant is a measure of the expansion rate of the Universe, but in recent years a dichotomy, or tension at the 5-sigma level, has appeared between its measurement in the early Universe for...
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2021.04.01
Euclid: exploring the dark Universe
In past century we have learned much about the origin and evolution of the Universe. We now know the Universe is 13.8 billion years old, but its main ingredients remain a mystery: atoms make up only 5...
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2021.03.25
Analytical Solution of Magnetically Dominated Astrophysical Jets and Winds: Jet Launching, Acceleration, and Collimation
Jets/winds are ubiquitously in association with different celestial objects. However, most of previous theoretical studies of them rely on numerical calculations, not being able to provide a more conv...
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2021.03.18
Recent Progress in Understanding Tidal Disruption Events
When a star falls sufficiently close to a supermassive black hole, it is disrupted by the enormous tidal forces and then the debris feeds a sudden burst of accretion. Such tidal disruption events (TDE...
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