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Path integrals for dimerized quantum spin systems

✍ Scribed by Adriana Foussats; Andrés Greco; Alejandro Muramatsu

Book ID
116798093
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
266 KB
Volume
842
Category
Article
ISSN
0550-3213

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📜 SIMILAR VOLUMES

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More about path integrals for spin
✍ Kunio Funahashi; Taro Kashiwa; Shuji Nima; Seiji Sakoda 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 681 KB
Functional integral methods for quantum
Functional integral methods for quantum spin systems
✍ S Leibler; H Orland 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 660 KB

The partition function of quantum spin systems is represented by a functional integral over "time"-dependent magnetic fields. It is evaluated in the saddle-point approximation. In this way, the excitations of the system are derived from first principles, and their interactions are obtained. ## 1. I