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Abstract.

We have measured the static dipole polarizability of lithium and sodium clusters (n=1-22). Values measured for sodium are in agreement with previous experiments. While the polarizability per atom for sodium clusters decreases slowly as a function of the cluster size, a sharp decrease between sizes 1 and 4 is observed for lithium clusters. Experimental values are compared to Density Functional Theory (DFT/PW91) calculations. The size evolutions for sodium and lithium cluster polarizabilities are well reproduced by our calculations. The sharp decrease observed for small lithium clusters is discussed in terms of electronic density.

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Received: 1 September 1998 / Received in final form: 12 October 1998

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Rayane, D., Allouche, A., Benichou, E. et al. Static electric dipole polarizabilities of alkali clusters. Eur. Phys. J. D 9, 243–248 (1999). https://doi.org/10.1007/s100530050433

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  • DOI: https://doi.org/10.1007/s100530050433

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