Atomic Textbook about Perturbation Theory

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For learning about perturbation theory, particularly as it applies to helium and time-dependent scenarios, several quantum mechanics textbooks are recommended, as most cover this topic in detail. There is a request for clarification on specific concepts, such as the relationship between the variational method and perturbation theory. The user is currently utilizing Resnick's and Wolfgang's textbooks and seeks feedback on their effectiveness for understanding these advanced topics.
Fips
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Hi

I was hoping someone could advise me on a textbook/platform where I can learn more about the perturbation theory applied to helium and the perturbation theory time depedant. Thanks
 
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Fips said:
Hi

I was hoping someone could advise me on a textbook/platform where I can learn more about the perturbation theory applied to helium and the perturbation theory time depedant. Thanks

Almost every quantum mechanics textbook has a couple of chapters on perturbation theory. Are you looking for anything more specific?
 
@noir1993 Well there's a lot of things I still don't understand and don't even know if they're related, like if the varational method is used for a perturbated state, on which occasion we consider an event a perturbation to the system...
Currently I'm using Resnick's and Wolfgang's books. Do you reccomend them? Thanks
 

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The book is fascinating. If your education includes a typical math degree curriculum, with Lebesgue integration, functional analysis, etc, it teaches QFT with only a passing acquaintance of ordinary QM you would get at HS. However, I would read Lenny Susskind's book on QM first. Purchased a copy straight away, but it will not arrive until the end of December; however, Scribd has a PDF I am now studying. The first part introduces distribution theory (and other related concepts), which...
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