2 papers
astro-ph.SR2020
On the Encounter Desorption of Hydrogen Atoms on Ice Mantle
Qiang Chang, Xuli Zheng, Xia Zhang +5
At low temperatures (10 K), hydrogen atoms can diffuse quickly on grain ice mantles and frequently encounter hydrogen molecules, which cover a notable fraction of grain surface. Th…
astro-ph.EP2018
Effect of stochastic grain heating on cold dense clouds chemistry
Long-Fei Chen, Qiang Chang, Hong-Wei Xi
The temperatures of dust grains play important roles in the chemical evolution of molecular clouds. Unlike large grains, the temperature fluctuations of small grains induced by pho…