dorsal/arxiv
View SchemaSelf-consistent Green's function method for nuclei and nuclear matter
| Authors | W. H. Dickhoff, C. Barbieri |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0402034 |
| URL | https://arxiv.org/abs/nucl-th/0402034 |
| DOI | 10.1016/j.ppnp.2004.02.038 |
| Journal | Prog.Part.Nucl.Phys. 52 (2004) 377-496 |
Abstract
Recent results obtained by applying the method of self-consistent Green's functions to nuclei and nuclear matter are reviewed. Particular attention is given to the description of experimental data obtained from the (e,e'p) and (e,e'2N) reactions that determine one and two-nucleon removal probabilities in nuclei since the corresponding amplitudes are directly related to the imaginary parts of the single-particle and two-particle propagators. For this reason and the fact that these amplitudes can now be calculated with the inclusion of all the relevant physical processes, it is useful to explore the efficacy of the method of self-consistent Green's functions in describing these experimental data. Results for both finite nuclei and nuclear matter are discussed with particular emphasis on clarifying the role of short-range correlations in determining various experimental quantities. The important role of long-range correlations in determining the structure of low-energy correlations is also documented. For a complete understanding of nuclear phenomena it is therefore essential to include both types of physical correlations. We demonstrate that recent experimental results for these reactions combined with the reported theoretical calculations yield a very clear understanding of the properties of {\em all} protons in the nucleus. We propose that this knowledge of the properties of constituent fermions in a correlated many-body system is a unique feature of nuclear physics.
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"abstract": "Recent results obtained by applying the method of self-consistent Green\u0027s\nfunctions to nuclei and nuclear matter are reviewed. Particular attention is\ngiven to the description of experimental data obtained from the (e,e\u0027p) and\n(e,e\u00272N) reactions that determine one and two-nucleon removal probabilities in\nnuclei since the corresponding amplitudes are directly related to the imaginary\nparts of the single-particle and two-particle propagators. For this reason and\nthe fact that these amplitudes can now be calculated with the inclusion of all\nthe relevant physical processes, it is useful to explore the efficacy of the\nmethod of self-consistent Green\u0027s functions in describing these experimental\ndata. Results for both finite nuclei and nuclear matter are discussed with\nparticular emphasis on clarifying the role of short-range correlations in\ndetermining various experimental quantities. The important role of long-range\ncorrelations in determining the structure of low-energy correlations is also\ndocumented. For a complete understanding of nuclear phenomena it is therefore\nessential to include both types of physical correlations. We demonstrate that\nrecent experimental results for these reactions combined with the reported\ntheoretical calculations yield a very clear understanding of the properties of\n{\\em all} protons in the nucleus. We propose that this knowledge of the\nproperties of constituent fermions in a correlated many-body system is a unique\nfeature of nuclear physics.",
"arxiv_id": "nucl-th/0402034",
"authors": [
"W. H. Dickhoff",
"C. Barbieri"
],
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"doi": "10.1016/j.ppnp.2004.02.038",
"journal_ref": "Prog.Part.Nucl.Phys. 52 (2004) 377-496",
"title": "Self-consistent Green\u0027s function method for nuclei and nuclear matter",
"url": "https://arxiv.org/abs/nucl-th/0402034"
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