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A new perturbative approach for the anharmonic oscillator

✍ Scribed by O. Haan; K.H. Mütter


Book ID
116143066
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
624 KB
Volume
155
Category
Article
ISSN
0550-3213

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Renormalized Perturbation Theory for Qua
✍ J. Zamastil; J. Čı́žek; L. Skála 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 224 KB

The analytic structure of the renormalized energy of the quartic anharmonic oscillator described by the Hamiltonian H= p 2 +x 2 +;x 4 is discussed and the dispersion relation for the renormalized energy is found. It follows from the analytic structure that the renormalized strong coupling expansion