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Hot Jupiter Magnetospheres
George B. Trammell, Phil Arras, Zhi-Yun Li
(Abridged) The upper atmospheres of close-in gas giant exoplanets are subjected to intense heating/tidal forces from their parent stars. Atomic/ionized hydrogen (H) layers are suff…
The Molecular Outflows in the rho Ophiuchi Main Cloud: Implications For Turbulence Generation
Fumitaka Nakamura, Yuhei Kamada, Takeshi Kamazaki +13
We present the results of CO (J=3-2) and CO (J=1-0) mapping observations toward the active cluster forming clump, L1688, in the rho Ophiuchi molecular cloud. From the CO (J=3-2) an…
Theory of Cluster Formation: Effects of Magnetic Fields
Fumitaka Nakamura, Zhi-Yun Li
Stars form predominantly in clusters inside dense clumps of molecular clouds that are both turbulent and magnetized. The typical size and mass of the cluster-forming clumps are $\s…
Lowering the Characteristic Mass of Cluster Stars by Magnetic Fields and Outflow Feedback
Zhi-Yun Li, Peng Wang, Tom Abel +1
Magnetic fields are generally expected to increase the characteristic mass of stars formed in stellar clusters, because they tend to increase the effective Jeans mass. We test this…
Disk Formation Enabled by Enhanced Resistivity
Ruben Krasnopolsky, Zhi-Yun Li, Hsien Shang
Disk formation in magnetized cloud cores is hindered by magnetic braking. Previous work has shown that for realistic levels of core magnetization, the magnetic field suppresses the…