Classical models of NMR spectrum

Authors

  • Кирилл Борисович Циберкин (Kirill Tsiberkin) Perm State University http://orcid.org/0000-0002-8725-7743
  • Татьяна Сергеевна Белозерова (Tatyana Belozerova) Perm State University
  • Виктор Карлович Хеннер (Victor Henner) Perm State University

DOI:

https://doi.org/10.17072/1994-3598-2018-2-13-19

Keywords:

дипольное взаимодействие, ядерный магнитный резонанс, сплошная среда

Abstract

NMR dipolar spectrum formation is considered for spin system under strong constant and uniform magnetic field. Numerical simulation of system dynamics uses 125 magnetic moments are in cube 5×5×5. The response on jump of longitudinal external field is simulated. Free induction decay lasts dirung spin-spin relaxation time, while the longitudinal magnetization also jumps. Fourier spectra of magnetization signals include the peaks near zero, Larmor and double-Larmor frequencies. It corresponds well with the quantum theory of magnetic resonance. The Heisenberg equations for spin deviation from saturation state are transformed into continuum magnetization equations. It takes into account the non-secular terms in dipolar Hamiltonian. Final nonlinear system permits the standing monochromatic wave solution. It also reproduces three main peaks in NMR spectrum.

Author Biography

Кирилл Борисович Циберкин (Kirill Tsiberkin), Perm State University

кафедра теоретической физики, старший преподаватель

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Published

2018-07-13

How to Cite

Циберкин (Kirill Tsiberkin) К. Б., Белозерова (Tatyana Belozerova) Т. С., & Хеннер (Victor Henner) В. К. (2018). Classical models of NMR spectrum. Bulletin of Perm University. Physics, (2(40). https://doi.org/10.17072/1994-3598-2018-2-13-19

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Section

Regular articles

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