Why do we use the rotating wave picture to make approxiamations in open quantum systems?
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Two particularly useful books with introductory ma-
terial on this topic are:
• The theory of open quantum systems, by H.-P.
Breuer and F. Petruccione (Oxford, 2002)
• Statistical Methods in Quantum Optics 1: Master
Equations and Fokker-Planck Equations, by H. J.
Carmichael (Springer 1999). See also the Springer
website for an online version (accessible through
Imperial College) of the precursor to this book, An
Open Systems Approach to Quantum Optics, also
by H. J. Carmichael.
terial on this topic are:
• The theory of open quantum systems, by H.-P.
Breuer and F. Petruccione (Oxford, 2002)
• Statistical Methods in Quantum Optics 1: Master
Equations and Fokker-Planck Equations, by H. J.
Carmichael (Springer 1999). See also the Springer
website for an online version (accessible through
Imperial College) of the precursor to this book, An
Open Systems Approach to Quantum Optics, also
by H. J. Carmichael.
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0
A2A.
The electrons are particles which contain a unit negative charge in them. The protons are the ones which contain unit positive charge in them. When they come enough close to each other there exists attractive force between them. However, you know this, right?
The electron has some velocity with which it moves when it gets pulled by a proton, the velocity of electron tries to move it in the direction in which it was moving and proton tries to attract it wholly in to it. So, there is some centripetal force by proton on electron and some centripetal acceleration on it.
But, the previous velocity of electron doesn’t let the proton attract it wholly. So, the electron has tangential velocity as well as some centripetal acceleration on it. And therefore, the resultant velocity acts and electron follows that circular path.
The electrons are particles which contain a unit negative charge in them. The protons are the ones which contain unit positive charge in them. When they come enough close to each other there exists attractive force between them. However, you know this, right?
The electron has some velocity with which it moves when it gets pulled by a proton, the velocity of electron tries to move it in the direction in which it was moving and proton tries to attract it wholly in to it. So, there is some centripetal force by proton on electron and some centripetal acceleration on it.
But, the previous velocity of electron doesn’t let the proton attract it wholly. So, the electron has tangential velocity as well as some centripetal acceleration on it. And therefore, the resultant velocity acts and electron follows that circular path.
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