Temperature Green's Function for the Tunneling Model : A New Method of Contraction

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概要

• 論文の詳細を見る

• The temperature Green's function for the so-called tunneling model -an Ising spin system in the presence of transverse field- is investigated, with the transverse part taken as the unperturbed state. A new contraction rule corresponding to Wick's formula is established for spin-spin correlation functions. A few higher order terms are evaluated by the use of diagram analysis. Result of a preliminary calculation indicates that the damping constant for the soft mode is rather large.

• 理論物理学刊行会の論文
• 1978-11-25

著者

• Sawada Katuro

  Institute Of Prysics Univesity Of Tsukiba

• Sawada Katuro

  Institute Of Physics University Of Tsukuba

• Kawasaki Etsuko

  Institute Of Physics University Of Tsukuba

• KAWASAKI Etsuko

  Institute of Physics,University of Tsukuba

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