Need help with quantum open system!

  • Thread starter tghg
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  • #1
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Hello everyone, I am a student major in physical chemistry, but my PhD supervisor ask me to do some theoretical research in the field of quantum open system i.e. quantum transport. I feel it beyond my reach.
I've learned that the this field belongs to non equilibrium quantum statistical mechanics and the standard method is the Keldysh's non equilibrium Green's function and Feynman's diagram. But nowadays many groups including mine do not use this standard method.
Can someone discuss with me? Maybe I can pm you my msn. I feel very painful and depressed.
I need expertise badly! Help me!
 

Answers and Replies

  • #2
f95toli
Science Advisor
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What kind of systems are you refering to?
There are many approaches to open system; in e.g. quantum optics you can usually get away with using Lindblad formalism which is relatively straighforwards.
But it sounds more like you are thinking about e.g. many-body systems coupled to a reservoir?
 
  • #3
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Sorry, I have not provided enough information.
In fact, nanoelectronics or moluclar electronics calls for time dependent density functional theory combined with non equilibrium Green's function.
 

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