期刊
COMPUTER PHYSICS COMMUNICATIONS
卷 280, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.cpc.2022.108477
关键词
Quasiparticle random phase approximation; Finite amplitude method; Chebyshev polynomials; Kernel polynomial method
资金
- Croatian Science Foundation [IP-2018-01-5987, IP-2019-04-6268]
- QuantiXLie Centre of Excellence
- Croatian Government
- European Union through the European Regional Development Fund-the Competitiveness and Cohesion Operational Programme [KK.01.1.1.01.0004]
This paper presents an efficient algorithm for calculating the multipole response of deformed atomic nuclei, and demonstrates its applicability and feasibility in nuclear structure calculations through test calculations.
Efficient and accurate algorithms for the calculation of the multipole response of deformed atomic nuclei are very important tools in nuclear structure, especially for large scale calculations. In this paper we present an implementation of the algorithm based on the expansion of the response function in terms of the Chebyshev polynomials in conjunction with the kernel polynomial method for a very efficient calculation of the quasiparticle random phase approximation response function. Several test calculations are performed in order to asses the applicability and feasibility of this algorithm, already used successfully in the field of computational solid state physics, in various nuclear structure calculations. (C) 2022 Elsevier B.V. All rights reserved.
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