>Dear all, 

> now ,i am using the espresso4.0.1 for the car-parrinello     molecular dynamics

>it need to set the parameter when changing the temperrature of the  system   

>I wish to use the Nose thermostat to activate the thermostat for   ions when i want to specify the ions input section .

>The input option 'nose' for the 'ion_temperature' and 'fnosep'   keywords are not recognised ,

>especially the relation between 'tempw=?' and the 'fnosep=?'

>Please it is best to tell me that when 'tempw=2000k' ,what value  of the parameter 'fnosep' is suitable for.

>Also you can give me some advices or information on this aspact . 
 It is kind of you for replying this letter at your convenient time 

>Thank you