Artículo
Eigenvalue correlations and the distribution of ground state angular momenta for random many-body quantum systems
Autor/es | Barea, J.
Bijker, R. Frank, A. |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Química y Ambiental |
Fecha de publicación | 2009 |
Fecha de depósito | 2017-04-25 |
Publicado en |
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Resumen | The observed preponderance of ground states with angular momentum L=0 in many-body quantum systems with random two-body interactions is analyzed in terms of correlation coefficients (covariances) among different eigenstates. ... The observed preponderance of ground states with angular momentum L=0 in many-body quantum systems with random two-body interactions is analyzed in terms of correlation coefficients (covariances) among different eigenstates. It is shown that the geometric analysis of Chau can be interpreted in terms of correlations (covariances) between energy eigenvalues, thus providing an entirely statistical explanation of the distribution of ground state angular momenta of randomly interacting quantum systems that, in principle, is valid for both fermionic and bosonic systems. The method is illustrated for the interacting boson model. |
Cita | Barea, J., Bijker, R. y Frank, A. (2009). Eigenvalue correlations and the distribution of ground state angular momenta for random many-body quantum systems. Physical Review C - Nuclear Physics, 79 (5), 054302-1-054302-5. |
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