Can anyone help me in providing the process of finding exact solution in case of cubic perturbation in 1D SHO, or any suitable resource?
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RISHAV SAGAR
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Does this answer your question? Why it is not possible to get exact solution for cubic potential perturbation in 1D SHO and we have to use perturbation theory? – planetmaker Mar 05 '20 at 10:36
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Hi RISHAV SAGAR. Welcome to Phys.SE. Please don't repost a closed question in a new entry. Instead, you are supposed to edit the original question within the original entry. – Qmechanic Mar 05 '20 at 11:25
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I'm voting to reopen because the linked duplicate has been deleted and is, therefore, in general not accessible. – stafusa Nov 29 '22 at 11:54