摘要
Atmosphericescapeisakeyprocesscontrollingthelongtermevolutionofplanets.Radiativecoolingcompetesforenergyagainstatmosphericescapeinplanetaryupperatmospheres.Inthiswork,weuseapopulationbalancemethodandaMonteCarlomodeltocalculatethepreviouslyignoredemissionsofmetals(C,N,Oandtheirions)andcomparethemwithradiativerecombinationofHIIandLy-αemissionofHI,whicharethemostefficientcoolingmechanismscurrentlyrecognizedintheupperatmospheresofhotJupiters.TheresultsshowthattheemissionsofC,N,Oandtheirionsarestrongnon-linearfunctionsofenvironmentalparameters(temperature,density,etc.)andarelikelytobeefficientcoolingmechanismsintheupperatmospheresofclose-inexoplanets.
出版日期
2018年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)