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Mean-field theory for interacting rotons in superfluid helium

✍ Scribed by J. Jäckle

Book ID
105178920
Publisher
Springer
Year
1972
Tongue
English
Weight
392 KB
Volume
257
Category
Article
ISSN
0939-7922

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Analytically tractable mean-field theory
Analytically tractable mean-field theory for interacting electrons at strong coupling
✍ V. Janisˇ; D. Vollhardt 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 164 KB

A mean-field theory for the Hubbard model at strong-coupling is presented. It extends the well-known, but ad hoc, alloy-analogy approximation and puts it on a firm, thermodynamically consistent basis. The magnetic ordering is studied and the mean-field phase diagram in the U -n plane is determined f