On the Tunneling Resonance of Methyl-Protons at Low Temperature

• Morimoto Kunihiko

  Faculty of the Integrated Arts and Sciences, Hiroshima University

書誌事項

タイトル別名

• On the Tunneling Resonance of Methyl Pr

抄録

In order to calculate the spin-lattice relaxation time T₁ of protons of CH₃-group at low temperature, a model of relaxation which is available when γH_Lτ_r>>1 has been proposed, where H_L is the local dipolar field and τ_r is the correlation time. Present calculation of T₁ is closely related to that of the absorption spectra of proton spins in which the non-secular part of the dipolar interaction is included. It is shown that the spin-lattice relaxation is caused by the non-magnetic Orbach process between the ground and first exited torsional states. Present model predicts that when the tunneling resonance occurs, T₁ is given by T₁\simeqτ_r, which is different from the result of the second-order calculation and the Haupt theory. The absorption spectra at the tunneling resonance has also been calculated. The measurement of T₁ and absorption spectra at the tunneling resonance is useful to determine the precise value of the tunneling splitting.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ

  Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ 49 (2), 689-695, 1980

  一般社団法人 日本物理学会

キーワード

• General Physics and Astronomy

詳細情報

• CRID: 1390282679159691008
• NII論文ID: 110001965153
• NII論文ID: 130003896507
• NII論文ID: 210000089074
• NII書誌ID: AA00704814
• DOI: 10.1143/jpsj.49.689
• BIBCODE: 1980JPSJ...49..689M
• COI: 1:CAS:528:DyaL3MXhsVKluw%3D%3D
• ISSN: 13474073
• ISSN: 00319015
• NDL書誌ID: 2188204
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I2188204
• Web Site: https://journals.jps.jp/doi/pdf/10.1143/JPSJ.49.689
• 本文言語コード: en
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