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General Principles of Spin‐Echo Formation in Solids
Author(s) -
Whitaker M. A. B.
Publication year - 1987
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221440240
Subject(s) - spins , simple cubic lattice , simple (philosophy) , echo (communications protocol) , condensed matter physics , lattice (music) , physics , spin (aerodynamics) , theoretical physics , statistical physics , mathematics , statistics , computer science , thermodynamics , philosophy , acoustics , computer network , epistemology , monte carlo method
The mechanism of formation of spin‐echoes in solids is discussed, particularly in connection with the height and position of the main echo peak, and possible formation of subsidiary peaks. For values of Γ in the main part of the free‐induction decay, the value of Γ′ for the maximum will be less than τ. The value of τ′ max — τ is connected with the slope of 〈 I x 〉 (τ, τ). The method of time‐expansion should be regarded as descriptive, not prescriptive. Simple echo responses are analysed, and the results of a calculation for a simple cubic lattice of spins‐½‐ are discussed.

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