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Symmetries of topological gravity with torsion in the hamiltonian and lagrangian formalisms

✍ Scribed by Rabin Banerjee; Sunandan Gangopadhyay; Pradip Mukherjee; Debraj Roy


Publisher
Springer-Verlag
Year
2010
Tongue
English
Weight
809 KB
Volume
2010
Category
Article
ISSN
1126-6708

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Formalism of the Rhombic Spin Hamiltonia
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## Abstract The properties of the spin Hamiltonian for __S__ = 2 in a crystal field of rhombic symmetry are analysed up to terms with __a, b, c__ proportional to the fourth power of spin operators, and a method for the determination of constants of this Hamiltonian is proposed. By perturbation calc