A pure quantum mechanical theory of parity effect in tunneling and evolution of spins

In recent years, the spin parity effect in magnetic macroscopic quantum tunneling has attracted extensive attention. Using the spin coherent-state path-integral method it is shown that if the HamiltonianH of a single-spin system hasM - fold rotational symmetry around z-axis, the tunneling amplitude...

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Veröffentlicht in:	Science China. Mathematics 1998-03, Vol.41 (3), p.301-307
Hauptverfasser:	Li, Bozang, Wu, Jianhua, Zhong, Wending, Pu, Fucho
Format:	Artikel
Sprache:	eng
Schlagworte:	Antiferromagnetism Axes of rotation Eigenvectors Ferromagnetism Hamiltonian functions Integers Parity Particle spin Quantum mechanics Quantum numbers Quantum theory Quantum tunnelling Symmetry
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