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Abstract: We present a simple but efficient geometrical method for determining theinert states of spin-S systems. It can be used if the system is described by aspin vector of a spin-S particle and its energy is invariant in spin rotationsand phase changes. Our method is applicable to an arbitrary S and it is basedon the representation of a pure spin state of a spin-S particle in terms of 2Spoints on the surface of a sphere. We use this method to find candidates forsome of the ground states of spinor Bose-Einstein condensates.



Autor: H. Mäkelä, K.-A. Suominen

Fuente: https://arxiv.org/







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