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Browsing by Author Sierra, Germán

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RightsPreviewIssue DateTitleAuthor(s)Type
openAccessPerturbative.pdf.jpg1-Apr-1995A perturbative and variational approach to quantum lattice HamiltoniansEsteve, J.G.; Sierra, Germán artículo
openAccessRodriguez.pdf.jpg2001Absence of weak localization in two-dimensional disordered Frenkel latticesRodriguez, A.; Martín-Delgado, Miguel Ángel; Rodriguez-Laguna, J.; Sierra, Germán ; Malyshev, V.A.; Domínguez-Adame, Francisco; Lemaistre, J.P.preprint
closedAccessaccesoRestringido.pdf.jpg1997An interpolating ansatz for the ground state of the spinless fermion hamiltonian in D = 1 and 2Martín-Delgado, Miguel Ángel; Sierra, Germán artículo
openAccessMartinD.pdf.jpg1996Analytic formulations of the density matrix renormalization groupMartín-Delgado, Miguel Ángel; Sierra, Germán preprint
openAccess15-May-2019Causality, Long Range Order and Topological OrderSierra, Germán presentación
openAccessGSierra.pdf.jpg2000Conformal field theory and the exact solution of the BCS HamiltonianSierra, Germán preprint
openAccess0707.4452v2.pdf.jpg6-Aug-2007Critical Lines and Massive Phases in Quantum Spin Ladders with DimerizationAlmeida, Javier ; Martín-Delgado, Miguel Ángel; Sierra, Germán preprint
openAccessDukelsy.pdf.jpg2000Crossover from bulk to few-electron limit in ultrasmall metallic grainsDukelsky, Jorge ; Sierra, Germán preprint
openAccessMDelgado.pdf.jpg1999Density matrix renormalization group approach to an asymptotically free model with bound statesMartín-Delgado, Miguel Ángel; Sierra, Germán artículo
openAccessJDukelsky.pdf.jpg1999Density matrix renormalization group study of ultrasmall superconducting grainsDukelsky, Jorge ; Sierra, Germán artículo
openAccessGSierra.pdf.jpg1999Diagonal ladders: A class of models for strongly coupled electron systemsSierra, Germán ; Martín-Delgado, Miguel Ángel; White, S. R.; Scalapino, D.J.; Dukelsky, Jorge artículo
openAccessGSierra.pdf.jpg1998Dimer-hole-RVB state of the two-leg t-J ladder: A recurrent variational ansatzSierra, Germán ; Martín-Delgado, Miguel Ángel; Dukelsky, Jorge ; White, S. R.; Scalapino, D.J.preprint
openAccessMRoncaglia.pdf.jpg1999Dimer-resonating valence bond state of the four-leg Heisenberg ladder: Interference among resonancesRoncaglia, M.; Sierra, Germán ; Martín-Delgado, Miguel Ángelartículo
openAccessGSierra.pdf.jpg1998Dualities in spin laddersSierra, Germán ; Martín-Delgado, Miguel Ángelpreprint
openAccessElementary.pdf.jpg28-Feb-2003Elementary excitations of the BCS model in the canonical ensembleRomán, J.M.; Sierra, Germán ; Dukelsky, Jorge artículo
openAccessJDukelsky.pdf.jpg1998Equivalence of the variational matrix product method and the density matrix renormalization group applied to spin chainsDukelsky, Jorge ; Martín-Delgado, Miguel Ángel; Nishino, T.; Sierra, Germán preprint
openAccessSierra.pdf.jpg2000Exact study of the effect of level statistics in ultrasmall superconducting grainsSierra, Germán ; Dukelsky, Jorge ; Dussel, G. G.; Von Delft, J.; Braun, Fabianartículo
openAccesse180501.pdf.jpgMay-2009Exactly solvable pairing model for superconductors with px+ipy wave symmetryIbáñez Berganza, Miguel ; Links, Jon; Sierra, Germán ; Zhao, Shao-Youartículo
openAccessFernandoJ.pdf.jpg1996Fokker-planck approach to quantum lattice hamiltoniansJiménez, Fernando; Sierra, Germán preprint
openAccess2019Integrable Floquet Hamiltonian for a Periodically Tilted 1D GasColcelli, A.; Mussardo, G.; Sierra, Germán ; Trombettoni, A.artículo