有风原行星盘中行星开凿间隙处的增强卵石漂移

Increased isolation mass for pebble accreting planetary cores in pressure maxima of protoplanetary discs

The growth of a pebble accreting planetary core is stopped when reaching its \textit{isolation mass} that is due to a pressure maximum emerging at the outer edge of the gap opened in gas. This pressure maximum traps the inward drifting pebbles stopping the accretion of solids onto the core. On the other hand, a large amount of pebbles ($\sim 100M_\oplus$) should flow through the orbit of the core until reaching its isolation mass. The efficiency of pebble accretion increases if the core grows in a dust trap of the protoplanetary disc. Dust traps are observed as ring-like structures by ALMA sug…

Estimating the depth of gaps opened by planets in eccentric orbit

Planets can carve gaps in the surface density of protoplanetary discs. The formation of these gaps can reduce the corotation torques acting on the planets. In addition, gaps can halt the accretion of solids onto the planets as dust and pebbles can be trapped at the edge of the gap. This accumulation of dust could explain the origin of the ring-like dust structures observed using high-resolution interferometry. In this work we provide an empirical scaling relation for the depth of the gap cleared by a planet on an eccentric orbit as a function of the planet-to-star mass ratio $q$, the disc aspe…

原行星盘中行星打开间隙的膨胀边缘。II. 行星轨道偏心率的作用

Puffed-up Edges of Planet-opened Gaps in Protoplanetary Disks. II. The Role of the Planet's Orbital Eccentricity

研究行星轨道偏心率对原行星盘气体和尘埃结构的影响，采用三维多流体流体动力学模拟，发现偏心行星能增强间隙边缘尘埃膨胀、使间隙对尘埃更泄漏、让尘埃环变大变宽，对行星形成理论和相关观测有重要意义。

Architecture of planetary systems predicted from protoplanetary disks observed with ALMA I: mass of the possible planets embedded in the dust gap

Recent ALMA observations have identified a variety of dust gaps in protoplanetary disks, which are commonly interpreted to be generated by unobserved planets. Predicting mass of such embedded planets is of fundamental importance in comparing those disk architectures with the observed diversity of exoplanets. The prediction, however, depends on the assumption that whether the same gap structure exists in the dust component alone or in the gas component as well. We assume a planet can only open a gap in the gas component when its mass exceeds the pebble isolation mass by considering the core acc…

含生长中巨行星的原行星盘中固体的三维输运

Three-dimensional transport of solids in a protoplanetary disk containing a growing giant planet

本研究通过流体动力学与粒子追踪模拟，发现含生长巨行星的原行星盘内尘埃可双向穿越行星缝隙，低黏度盘外盘堆积可能形成第三同位素储库，木星生长中混合程度受多种因素影响。

内太阳系多个尘埃捕获环的形成

On the formation of multiple dust-trapping rings in the inner Solar system

本研究通过三维辐射磁流体动力学模拟，发现低黏度盘中行星可形成多个间隙和环，从而在内太阳系保留多个尘埃储库，解释了陨石同位素证据。