192 citations · 2.3k across the 69 of their papers we have counts for
7 papers · 1 filter
Phase Diagram of the Proton-Neutron Interacting Boson Model
J. M. Arias, J. E. Garcia-Ramos, J. Dukelsky
We study the phase diagram of the proton--neutron interacting boson model (IBM--2) with special emphasis on the phase transitions leading to triaxial phases. The existence of a new…
Exactly-Solvable Models Derived from a Generalized Gaudin Algebra
G. Ortiz, R. Somma, J. Dukelsky +1
We introduce a generalized Gaudin Lie algebra and a complete set of mutually commuting quantum invariants allowing the derivation of several families of exactly solvable Hamiltonia…
Self-Consistent Random Phase Approximation - Application to the Hubbard Model for finite number of sites
Mohsen Jemai, Peter Schuck, Jorge Dukelsky +1
Within the 1D Hubbard model linear closed chains with various numbers of sites are considered in Self Consistent Random Phase Approximation (SCRPA). Excellent results with a minima…
Generalized Richardson-Gaudin Nuclear Models
J. Dukelsky, V. G. Gueorguiev, P. Van Isacker
The exact solvability of several nuclear models with non-degenerate single-particle energies is outlined and leads to a generalization of integrable Richardson-Gaudin models, like…
Self Consistent Random Phase Approximation and the restoration of symmetries within the three-level Lipkin model
D. S. Delion, P. Schuck, J. Dukelsky
We show that it is possible to restore the symmetry associated with the Goldstone mode within the Self Consistent Random Phase Approximation (SCRPA) applied to the three-level Lipk…
The Density Matrix Renormalization Group for finite Fermi systems
Jorge Dukelsky, Stuart Pittel
The Density Matrix Renormalization Group (DMRG) was introduced by Steven White in 1992 as a method for accurately describing the properties of one-dimensional quantum lattices. The…