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19 papers · 1 filter
Short-range correlations in nuclear matter using Green's functions within a discrete pole approximation
Y. Dewulf, D. Van Neck, M. Waroquier
We treat short-range correlations in nuclear matter, induced by the repulsive core of the nucleon-nucleon potential, within the framework of a self-consistent Green's function theo…
Jacobson generators, Fock representations and statistics of sl(n+1)
T. D. Palev, J. Van der Jeugt
The properties of A-statistics, related to the class of simple Lie algebras sl(n+1) (Palev, T.D.: Preprint JINR E17-10550 (1977); hep-th/9705032), are further investigated. The des…
Study of the O(N) linear sigma model at finite temperature using the 2PPI expansion
H. Verschelde, J. De Pessemier
We show that a new expansion which sums seagull and bubble graphs to all orders, can be applied to the O(N) linear sigma model at finite temperature. We prove that this expansion c…
Two-neutron separation energies, binding energies and phase transitions in the interacting boson model
J. E. Garcia-Ramos, C. De Coster, R. Fossion +1
In the framework of the interacting boson model the three transitional regions (rotational-vibrational, rotational--unstable and, vibrational--unstable transitions) are reana…
Summation and renormalization of bubble graphs to all orders
Henri Verschelde
We introduce the 2PPI expansion which sums the bubble graphs to all orders. We show that this expansion can be renormalised with the usual counterterms in a mass independent scheme…
HST Optical-NIR Colors of Nearby and Exponential Bulges
C. M. Carollo, M. Stiavelli, P. T. de Zeeuw +2
We have analysed , and HST images for a sample of early- to late-type spiral galaxies, and reported elsewhere the statistical frequency of -law and exponential…