四次禁闭中的格子玻色子
Lattice bosons in quartic confinement
摘要：
我们提出了一个理论研究的非相互作用玻色凝聚在有限晶格中的四次势在一，二，三维。我们研究了维度效应和四次势效应对单玻色子能态密度、凝聚温度、凝聚分数和比热的影响。所得结果与谐振子阱中格点玻色子的相应结果进行了比较。
英文摘要：
We present a theoretical study of bose condensation of non-interacting bosons in finite lattices in quartic potentials in one, two, and three dimensions. We investigate dimensionality effects and quartic potential effects on single boson density of energy states, condensation temperature, condensate fraction, and specific heat. The results obtained are compared with corresponding results for lattice bosons in harmonic traps.
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