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Affiliation(s)
1Physics and Technology Department, BCC, CUNY, New York, USA.
2Physics Department, St. John’s University of New York City, New York, USA.
2Physics Department, St. John’s University of New York City, New York, USA.
ABSTRACT
This
short review article presents theories used in solid-state nuclear
magnetic resonance spectroscopy. Main theories used in NMR include the
average Hamiltonian theory, the Floquet theory and the developing
theories are the Fer expansion or the Floquet-Magnus expansion. These
approaches provide solutions to the time-dependent Schrodinger equation
which is a central problem in quantum physics in general and solid-state
nuclear magnetic resonance in particular. Methods of these expansion
schemes used as numerical integrators for solving the time dependent
Schrodinger equation are presented. The action of their propagator
operators is also presented. We highlight potential future theoretical
and numerical directions such as the time propagation calculated by
Chebychev expansion of the time evolution operators and an interesting
transformation called the Cayley method.
KEYWORDS
Cite this paper
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