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NSR database version of April 11, 2024.

Search: Author = J.Dukelsky

Found 67 matches.

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2021BA25      Phys.Rev. C 103, 054317 (2021)

V.V.Baran, J.Dukelsky

Variational theory combining number-projected BCS and coupled-cluster doubles

doi: 10.1103/PhysRevC.103.054317
Citations: PlumX Metrics

2018GA13      Phys.Rev. C 97, 054303 (2018)

J.E.Garcia-Ramos, J.Dukelsky, P.Perez-Fernandez, J.M.Arias

Phase diagram of an extended Agassi model

doi: 10.1103/PhysRevC.97.054303
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2017HE10      Phys.Rev. C 95, 064306 (2017)

M.R.Hermes, Jo.Dukelsky, G.E.Scuseria

Combining symmetry collective states with coupled-cluster theory: Lessons from the Agassi model Hamiltonian

doi: 10.1103/PhysRevC.95.064306
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2017ME03      Phys.Rev. C 95, 024324 (2017)

A.Mercenne, N.Michel, J.Dukelsky, M.Ploszajczak

Solution of a pairing problem in the continuum

NUCLEAR STRUCTURE 14,16,18,20C; calculated binding energies, levels, J, π, configurations. Generalized Richardson solution for fermions interacting with the pairing interaction from rational Gaudin model in the Berggren ensemble. Accurate solutions for the Gamow shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.024324
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2016DU09      Phys.Rev. C 93, 034313 (2016)

J.Dukelsky, S.Pittel, C.Esebbag

Structure of the number-projected BCS wave function

doi: 10.1103/PhysRevC.93.034313
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2015DU07      Rom.J.Phys. 60, 753 (2015)


Integrable Richardson-Gaudin Models in Mesoscopic Physics

NUCLEAR STRUCTURE 238U; calculated pairing tensor and gaps for protons. Gogny HFB, hyperbolic Hamiltonian.

2015LE16      Phys.Rev. C 92, 051303 (2015)

O.Legeza, L.Veis, A.Poves, J.Dukelsky

Advanced density matrix renormalization group method for nuclear structure calculations

NUCLEAR STRUCTURE 56Ni, 64Ge; calculated ground-state energies, single-site entropy in 64Ge, energy gaps between 0+ and 2+ states in 64Ge in pf and pf+g9/2 valence spaces. Density Matrix Renormalization Group (DMRG) method. Benchmarked with reference data obtained from Monte Carlo shell model.

doi: 10.1103/PhysRevC.92.051303
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2014HE05      Phys.Rev. C 89, 054305 (2014)

T.M.Henderson, G.E.Scuseria, J.Dukelsky, A.Signoracci, T.Duguet

Quasiparticle coupled cluster theory for pairing interactions

doi: 10.1103/PhysRevC.89.054305
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2012SA24      Phys.Rev. C 85, 061303 (2012)

N.Sandulescu, D.Negrea, J.Dukelsky, C.W.Johnson

Quartet condensation and isovector pairing correlations in N=Z nuclei

NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S, 44Ti, 48Cr, 52Fe, 104Te, 108Xe, 112Ba; calculated correlation energies for the exact shell model diagonalizations (SM), quartet condensation model (QCM), and the two PBCS approximations using isovector pairing forces extracted from standard shell model interactions with spherical single-particle states, and isovector pairing force of seniority type with axially-deformed single-particle states.

doi: 10.1103/PhysRevC.85.061303
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2011DU30      Phys.Rev. C 84, 061301 (2011)

J.Dukelsky, SH.Lerma, L.M.Robledo, R.Rodriguez-Guzman, S.M.A.Rombouts

Exactly solvable pairing Hamiltonian for heavy nuclei

NUCLEAR STRUCTURE 238U, 154Sm; calculated state-dependent gaps, proton pairing tensor, pairing energies. Exactly solvable Hamiltonian from Richardson-Gaudin models. Comparison with Gogny self-consistent mean-field calculations in the Hartree-Fock basis.

doi: 10.1103/PhysRevC.84.061301
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2009DU14      Int.J.Mod.Phys. E18, 2030 (2009)

J.Dukelsky, J.Okolowicz, M.Ploszajczak

Coalescence of two exceptional points in the anti-hermitian 3-level pairing model

doi: 10.1142/S0218301309014238
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2009RO02      Phys.Rev. C 79, 014304 (2009)

J.Rotureau, N.Michel, W.Nazarewicz, M.Ploszajczak, J.Dukelsky

Density matrix renormalization group approach to two-fluid open many-fermion systems

NUCLEAR STRUCTURE 7,8Li; calculated ground-state energies. Density matrix renormalization group, Gamow shell model.

doi: 10.1103/PhysRevC.79.014304
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2009SA39      Phys.Rev. C 80, 044335 (2009)

N.Sandulescu, B.Errea, J.Dukelsky

Isovector neutron-proton pairing with particle number projected BCS

NUCLEAR STRUCTURE Z=4-10, N=4-10; calculated odd-even mass differences and correlation energies for N=Z nuclei using particle number projected BCS (PBCS) approximation.

doi: 10.1103/PhysRevC.80.044335
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2008DU21      Int.J.Mod.Phys. E17, 2155 (2008)

J.Dukelsky, B.Errea, S.H.Lerma, G.G.Dussel, C.Esebbag, N.Sandulescu

Exactly solvable proton-neutron pairing Hamiltonians and quartet correlations

doi: 10.1142/S0218301308011264
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2007AR03      Phys.Rev. C 75, 014301 (2007)

J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos, J.Vidal

Two-level interacting boson models beyond the mean field

doi: 10.1103/PhysRevC.75.014301
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2007DU06      Int.J.Mod.Phys. E16, 210 (2007)

J.Dukelsky, B.Errea, S.H.Lerma, S.Pittel

Exactly solvable pairing Hamiltonians

doi: 10.1142/S0218301307005545
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2007DU16      Phys.Rev. C 76, 011302 (2007)

G.G.Dussel, S.Pittel, J.Dukelsky, P.Sarriguren

Cooper pairs in atomic nuclei

doi: 10.1103/PhysRevC.76.011302
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2007LE21      Phys.Rev.Lett. 99, 032501 (2007)

S.Lerma, B.Errea, J.Dukelsky, W.Satula

Exact Solution of the Spin-Isospin Proton-Neutron Pairing Hamiltonian

doi: 10.1103/PhysRevLett.99.032501
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2006DU06      Phys.Rev.Lett. 96, 072503 (2006)

J.Dukelsky, V.G.Gueorguiev, P.Van Isacker, S.Dimitrova, B.Errea, S.Lerma

Exact Solution of the Isovector Neutron-Proton Pairing Hamiltonian

NUCLEAR STRUCTURE 64Ge; calculated pair energies, single-particle levels occupation probabilities. Richardson-Gaudin model, exact solution of isovector neutron-proton pairing Hamiltonian.

doi: 10.1103/PhysRevLett.96.072503
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2006DU16      Int.J.Mod.Phys. E15, 1665 (2006)

J.Dukelsky, S.H.Lerma, B.Errea, S.Pittel, S.Dimitrova, V.G.Gueorguiev, P.van Isacker

Rank-two Richardson-Gaudin models

NUCLEAR STRUCTURE 64Ge; calculated pair energies.

doi: 10.1142/S0218301306005289
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2006LE30      Phys.Rev. C 74, 024314 (2006)

S.H.Lerma, B.Errea, J.Dukelsky, S.Pittel, P.Van Isacker

Exactly solvable models of proton and neutron interacting bosons

doi: 10.1103/PhysRevC.74.024314
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2006PI13      Phys.Scr. T125, 91 (2006)

S.Pittel, J.Dukelsky

Exactly solvable Richardson-Gaudin models and their applications

NUCLEAR STRUCTURE 114,115,116Sn; calculated pairing correlations, related features.

doi: 10.1088/0031-8949/2006/T125/020
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2006VI02      Phys.Rev. C 73, 054305 (2006)

J.Vidal, J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos

Scalar two-level boson model to study the interacting boson model phase diagram in the Casten triangle

doi: 10.1103/PhysRevC.73.054305
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2005DE61      Phys.Rev. C 72, 064305 (2005)

D.S.Delion, P.Schuck, J.Dukelsky

Self-consistent random phase approximation and the restoration of symmetries within the three-level Lipkin model

doi: 10.1103/PhysRevC.72.064305
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2005DU17      Phys.Rev. C 72, 011301 (2005)

S.Dusuel, J.Vidal, J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos

Finite-size scaling exponents in the interacting boson model

doi: 10.1103/PhysRevC.72.011301
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2005DU27      Phys.Rev. C 72, 064332 (2005)

S.Dusuel, J.Vidal, J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos

Continuous unitary transformations in two-level boson systems

doi: 10.1103/PhysRevC.72.064332
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2005GA43      Phys.Rev. C 72, 037301 (2005)

J.E.Garcia-Ramos, J.Dukelsky, J.M.Arias

β4 potential at the U(5)-O(6) critical point of the interacting boson model

doi: 10.1103/PhysRevC.72.037301
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2004AR27      Phys.Rev.Lett. 93, 212501 (2004)

J.M.Arias, J.E.Garcia-Ramos, J.Dukelsky

Phase Diagram of the Proton-Neutron Interaction Boson Model

doi: 10.1103/PhysRevLett.93.212501
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2004DU03      Rep.Prog.Phys. 67, 513 (2004)

J.Dukelsky, S.Pittel

The density matrix renormalization group for finite fermi systems

doi: 10.1088/0034-4885/67/4/R02
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2004RO21      Phys.Rev. C 69, 061303 (2004)

S.Rombouts, D.Van Neck, J.Dukelsky

Solving the Richardson equations for fermions

doi: 10.1103/PhysRevC.69.061303
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2003AR23      Phys.Rev.Lett. 91, 162502 (2003)

J.M.Arias, J.Dukelsky, J.E.Garcia-Ramos

Quantum Phase Transitions in the Interacting Boson Model: Integrability, Level Repulsion, and Level Crossing

doi: 10.1103/PhysRevLett.91.162502
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2003AR24      Phys.Rev. C 68, 041302 (2003)

J.M.Arias, C.E.Alonso, A.Vitturi, J.E.Garcia-Ramos, J.Dukelsky, A.Frank

U(5)-O(6) transition in the interacting boson model and the E(5) critical point symmetry

doi: 10.1103/PhysRevC.68.041302
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2003DU03      Nucl.Phys. A714, 63 (2003)

J.Dukelsky, G.G.Dussel, J.G.Hirsch, P.Schuck

Comparison between exact and approximate treatments of the pairing interaction for finite Fermi systems

doi: 10.1016/S0375-9474(02)01361-1
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2002DU05      Phys.Rev.Lett. 88, 062501 (2002)

J.Dukelsky, C.Esebbag, S.Pittel

Electrostatic Mapping of Nuclear Pairing

NUCLEAR STRUCTURE 114,116Sn; calculated nucleon pairing properties, orbital occupation probabilities. Mapping of nuclear pairing to classical electrostatic system.

doi: 10.1103/PhysRevLett.88.062501
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2002DU13      Phys.Rev. C65, 054319 (2002)

J.Dukelsky, S.Pittel, S.S.Dimitrova, M.V.Stoitsov

Density Matrix Renormalization Group Method and Large-Scale Nuclear Shell-Model Calculations

doi: 10.1103/PhysRevC.65.054319
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2001BE02      Phys.Rev. C63, 024301 (2001)

T.Bertrand, P.Schuck, G.Chanfray, Z.Aouissat, J.Dukelsky

Self-Consistent Random Phase Approximation in a Schematic Field Theoretical Model

doi: 10.1103/PhysRevC.63.024301
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2001DU07      Phys.Rev.Lett. 86, 4791 (2001)

J.Dukelsky, S.Pittel

New Mechanism for the Enhancement of sd Dominance in Interacting Boson Models

doi: 10.1103/PhysRevLett.86.4791
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2001DU08      Phys.Rev. C63, 061303 (2001)

J.Dukelsky, S.Pittel

New Approach to Large-Scale Nuclear Structure Calculations

doi: 10.1103/PhysRevC.63.061303
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2000DE47      Phys.Rev. C62, 044311 (2000)

D.S.Delion, J.Dukelsky, P.Schuck, E.J.V.de Passos, F.Krmpotic

Proton-Neutron Self-Consistent Quasiparticle Random Phase Approximation within the O(5) Model

doi: 10.1103/PhysRevC.62.044311
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2000DU04      Eur.Phys.J. A 7, 155 (2000)

J.Dukelsky, J.G.Hirsch, P.Schuck

Occupation Numbers in Self Consistent RPA

doi: 10.1007/s100500050376
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2000GA09      Phys.Rev. C61, 034305 (2000)

J.E.Garcia-Ramos, J.M.Arias, J.Dukelsky, P.Van Isacker

Intrinsic State for an Extended Version of the Interacting Boson Model

doi: 10.1103/PhysRevC.61.034305
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1999DU06      Phys.Rev. C59, R3005 (1999)

J.Dukelsky, G.G.Dussel

Application of the Density Matrix Renormalization Group to the Two Level Pairing Model

doi: 10.1103/PhysRevC.59.R3005
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1999DU12      Phys.Lett. 464B, 164 (1999)

J.Dukelsky, P.Schuck

The Self Consistent RPA in a Many Level Pairing Model

doi: 10.1016/S0370-2693(99)00921-1
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1998DU01      Nucl.Phys. A628, 17 (1998)

J.Dukelsky, G.Ropke, P.Schuck

Generalized Bruckner-Hartree-Fock Theory and Self-Consistent RPA

doi: 10.1016/S0375-9474(97)00606-4
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1998GA03      Phys.Rev. C57, R479 (1998)

J.E.Garcia-Ramos, J.M.Arias, J.Dukelsky, E.Moya de Guerra, P.Van Isacker

Hartree-Bose Mean-Field Approximation for the Interacting Boson Model (IBM-3)

doi: 10.1103/PhysRevC.57.R479
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1998KR10      Nucl.Phys. A637, 295 (1998)

F.Krmpotic, E.J.V.de Passos, D.S.Delion, J.Dukelsky, P.Schuck

Self-Consistent Random Phase Approximation within the O(5) Model and Fermi Transitions

doi: 10.1016/S0375-9474(98)00231-0
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1998VA15      J.Phys.(London) G24, 1261 (1998)

P.Van Isacker, J.Dukelsky, S.Pittel, O.Juillet

The Fermion SO(8) Model and Its Connection with an IBM-4 with L = 0 Bosons

doi: 10.1088/0954-3899/24/7/008
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1997DE12      Phys.Rev. C55, 2340 (1997)

D.S.Delion, J.Dukelsky, P.Schuck

Restoration of the Ikeda Sum Rule in Self-Consistent Quasiparticle Random-Phase Approximation

doi: 10.1103/PhysRevC.55.2340
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1997EN02      Phys.Rev. C55, 1781 (1997)

J.Engel, S.Pittel, M.Stoitsov, P.Vogel, J.Dukelsky

Neutron-Proton Correlations in an Exactly Solvable Model

doi: 10.1103/PhysRevC.55.1781
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1996DU14      Phys.Lett. 387B, 233 (1996)

J.Dukelsky, P.Schuck

Self Consistent RPA for Superfluid Fermi Systems

doi: 10.1016/0370-2693(96)01045-3
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1996ST11      Phys.Rev. C53, 3088 (1996)

M.V.Stoitsov, S.Pittel, J.Dukelsky

Brueckner Correlations Following a Boson Mapping of the Two-Color Delta Model

doi: 10.1103/PhysRevC.53.3088
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1995DU03      J.Phys.(London) G21, 317 (1995)

J.Dukelsky, F.Fernandez, E.Moya de Guerra

Nuclear Medium Effects on the Size of the Nucleon Valence Quark Distribution

doi: 10.1088/0954-3899/21/3/007
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1995GE09      Phys.Rev. C52, 2131 (1995)

A.I.Georgieva, R.P.Roussev, P.P.Raychev, M.V.Stoitsov, S.Pittel, J.Dukelsky

Baryon Mappings Applied to the Three-Color Delta Model

doi: 10.1103/PhysRevC.52.2131
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1994CA26      Phys.Rev. C50, 1932 (1994)

M.C.Cambiaggio, J.Dukelsky

Comparison between Two Variational Approaches for Non-Hermitian Boson Hamiltonians

doi: 10.1103/PhysRevC.50.1932
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1994PI04      Phys.Rev. C50, 423 (1994)

S.Pittel, J.M.Arias, J.Dukelsky, A.Frank

Consistent Baryon Mapping of Quark Systems

doi: 10.1103/PhysRevC.50.423
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1991DU05      Phys.Rev. C44, 2872 (1991)

J.Dukelsky, A.Poves, J.Retamosa

Phase Transitions in Light Nuclei

NUCLEAR STRUCTURE 20Ne; calculated intrinsic quadrupole moment expectation value, specific heat vs temperature; deduced phase transition features. SU(3) Elliott model.

doi: 10.1103/PhysRevC.44.2872
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1990PI13      Phys.Lett. 247B, 185 (1990)

S.Pittel, J.Engel, J.Dukelsky, P.Ring

The Nucleus as a Condensate of Collective Quark Triplets

NUCLEAR STRUCTURE 16O; calculated quark occupation numbers.

doi: 10.1016/0370-2693(90)90878-A
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1986DU09      Phys.Lett. 177B, 125 (1986)

J.Dukelsky, S.Pittel

Boson Mapping of Particle-Particle Operators in Deformed Nuclei

NUCLEAR STRUCTURE 154Sm; calculated s, d, g bosons probabilities. Hartree-Fock-Bogolyubov approximation.

doi: 10.1016/0370-2693(86)91040-3
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1985DU03      J.Phys.(London) G11, L91 (1985)

J.Dukelsky, G.G.Dussel, H.M.Sofia

HFB in a Restricted Space

NUCLEAR STRUCTURE 176Yb; calculated occupation probabilities, pairing strengths, neutron, proton quadrupole moments. HFB, restricted basis.

doi: 10.1088/0305-4616/11/6/002
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1985PI07      Phys.Rev. C32, 335 (1985)

S.Pittel, J.Dukelsky

Comparison between Semiclassical and Classical Descriptions of the Collective M1 Mode in the Interacting Boson Model

NUCLEAR STRUCTURE 156Gd; calculated collective M1 mode excitation, moment of inertia. Neutron-proton interacting boson model.

doi: 10.1103/PhysRevC.32.335
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1984PI12      Phys.Lett. 144B, 145 (1984)

S.Pittel, J.Dukelsky, R.P.J.Perazzo, H.M.Sofia

s-d-g Boson Model Description of the Collective K = 1+ Mode in Deformed Nuclei

NUCLEAR STRUCTURE A ≈ 160; calculated levels, band head energies, B(M1). Hartree-Bose, TDA, s-d-g boson model.

doi: 10.1016/0370-2693(84)91791-X
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1983DU06      Phys.Rev. C27, 2954 (1983)

J.Dukelsky, G.G.Dussel, H.M.Sofia

Two Correlated Quasiparticles States in the Principal Series Approximation

NUCLEAR STRUCTURE 104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; calculated 2+ level energies, squared matrix elements, EWSR for quadrupole, other transition operators. Principal series approximation.

doi: 10.1103/PhysRevC.27.2954
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1983DU11      Phys.Rev. C28, 2183 (1983)

J.Dukelsky, J.Fernandez Niello, H.M.Sofia, R.P.J.Perazzo

Evidence of g Bosons in the 218Ra Spectrum

NUCLEAR STRUCTURE 218Ra; calculated levels, B(E1)/B(E2) branching ratios. Interacting boson approximation, high-spin bosons.

doi: 10.1103/PhysRevC.28.2183
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1983PI06      Phys.Lett. 128B, 9 (1983)

S.Pittel, J.Dukelsky

The Structure of the S and D Pairs of the Interacting Boson Model from the Hartree-Fock-Bogolyubov Approximation

NUCLEAR STRUCTURE 146,148,150,152,154,156,158,160Sm; calculated spherical, prolate HFB energies, S, D, G nucleon pair probabilities. Microscopic interacting boson model.

doi: 10.1016/0370-2693(83)90063-1
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1982DU12      Phys.Lett. 115B, 359 (1982)

J.Dukelsky, P.Federman, R.P.J.Perazzo, H.M.Sofia

An Interacting Quartet-Boson Model

NUCLEAR STRUCTURE 168Er, 164Dy, 160Gd; calculated levels. Interacting quartet boson model.

doi: 10.1016/0370-2693(82)90517-2
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1982DU18      J.Phys.(London) G8, L191 (1982)

J.Dukelsky, G.G.Dussel, H.M.Sofia

Separable Interactions and Excited States in Open-Shell Nuclei

NUCLEAR STRUCTURE 114,120Sn; calculated RPA Hamiltonian matrix elements. Separable interactions.

doi: 10.1088/0305-4616/8/12/002
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1981DU11      Phys.Lett. 100B, 367 (1981)

J.Dukelsky, G.G.Dussel, H.M.Sofia

The Amplitudes of s and d Bosons in Deformed Nuclei

NUCLEAR STRUCTURE Sm, Gd, Dy, Er, Yb, Hf, W, Os, Pt; calculated angular momentum probability of boson condensate. Principal series approximation, interacting boson model.

doi: 10.1016/0370-2693(81)90138-6
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