Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
From inside the book
Results 1-3 of 4
Page 209
... commutation relations of the Bose operators and brings the Hamiltonian to the form ( 2.21 ) H - HP C1 + Σ + [ A ̧ ( C ‡ C + C1μC_k ) + k -k + B ( CC - C_C_ ) + B ( CC - CC ) ] , where symbolizes the summation over the half of the ...
... commutation relations of the Bose operators and brings the Hamiltonian to the form ( 2.21 ) H - HP C1 + Σ + [ A ̧ ( C ‡ C + C1μC_k ) + k -k + B ( CC - C_C_ ) + B ( CC - CC ) ] , where symbolizes the summation over the half of the ...
Page 210
... commutation rules , so the eigen- values n of dd , will be integers and the energy eigenvalues will be ( 2.29 ) E = ninN 1 k C - Σ 4 + Σε ( κ + 1 ) . k k This last transformation is from the original co - ordinate system in which the ...
... commutation rules , so the eigen- values n of dd , will be integers and the energy eigenvalues will be ( 2.29 ) E = ninN 1 k C - Σ 4 + Σε ( κ + 1 ) . k k This last transformation is from the original co - ordinate system in which the ...
Page 217
... commutation relations ( 4.8 ) [ a ,,, a¦ ̧ · ] = d1 · dƒ ‚ at , ] ဂ် [ a ,,, a ' , ' ] = 0 . The third transformation is a Fourier transformation in the plane of the film 1 ( 4.9 ) ' N Σexp [ ik - j ] bk , VN where N is the number of ...
... commutation relations ( 4.8 ) [ a ,,, a¦ ̧ · ] = d1 · dƒ ‚ at , ] ဂ် [ a ,,, a ' , ' ] = 0 . The third transformation is a Fourier transformation in the plane of the film 1 ( 4.9 ) ' N Σexp [ ik - j ] bk , VN where N is the number of ...
Other editions - View all
Common terms and phrases
absorption angle anisotropy constants antiferromagnetic Appl axis birefringence Bloch lines Bloch point bubble calculated cation cm-¹ Co² Co³ coefficient concentration contribution crystal field cubic Curie temperature curve diamagnetic dichroism direction of magnetization domain wall effects electron energy levels equations exchange experimental Fe2+ Fe³ ferrimagnetic ferromagnetic resonance film formula unit frequency GELLER GILLEO given Hamiltonian interaction ion moments Journ K₁ lattice constant line width linear magnetic anisotropy magnetic field magneto-optical magnetoelastic magnons measurements modes neutron diffraction observed obtained octahedral octahedral sites optical orbital oxygen paramagnetic parameters phonons photoinduced photomagnetic Phys polarization polycrystalline properties rare-earth ions rare-earth iron garnets relaxation resonance room temperature rotation sample shown in fig sin² specimens spin wave spin-orbit coupling spontaneous magnetization sublattice substitution surface symmetry temperature dependence tetrahedral theory tion torque transitions uniaxial anisotropy valence values vector velocity yttrium iron garnet