Instituto de Física Rosario

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A. Greco, M. Bejas, and A. Schnyder
Ferromagnetic fluctuations in the Rashba-Hubbard model
Physical Review B (cited By 0), 101(17), 2020
fermi surface ferromagnetic materials ferromagnetism filling hubbard model magnetic susceptibility spin orbit coupling combined effect experimental system ferromagnetic fluctuation interband spin susceptibility square lattices surface changes spin fluctuations
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A. Greco, H. Yamase, and M. Bejas
Close inspection of plasmon excitations in cuprate superconductors
Physical Review B (cited By 0), 102(2), 2020
copper compounds high temperature superconductors x ray scattering charge excitations electron doped cuprates long-range coulomb interaction microscopic study plasmon excitations resonant inelastic x-ray scattering t-j models two-dimensional systems plasmons
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H. Parent, M. Bejas, and A. Greco
Shell Area-To-Volume Ratio in Ammonoids
Paleontological Research (cited By 0), 24(3), 216-225, 2020
biostratigraphy body shape body size fossil record mollusc paleobiogeography shell volume ammonoidea
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H. Yamase, M. Bejas, and A. Greco
Doping dependence of d -wave bond-charge excitations in electron-doped cuprates
Physical Review B (cited By 1), 99(1), 2019
semiconductor doping temperature x ray scattering carrier doping charge ordering doping dependence electron doped cuprates low temperatures peak intensity resonant x-ray scattering strong damping copper compounds
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A. Greco, H. Yamase, and M. Bejas
Origin of high-energy charge excitations observed by resonant inelastic X-ray scattering in cuprate superconductors
Communications Physics (cited By 5), 2(1), 2019
excited states high temperature superconductors plasmons semiconductor doping x ray scattering charge excitations charge fluctuations dispersive signals electron doped cuprates experimental test hole-doped cuprates long-range coulomb interaction resonant inelastic x-ray scattering copper compounds
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A. Greco and A. Schnyder
Mechanism for Unconventional Superconductivity in the Hole-Doped Rashba-Hubbard Model
Physical Review Letters (cited By 3), 120(17), 2018
approximation algorithms ferromagnetic materials ferromagnetism filling hubbard model semiconductor doping topology ferromagnetic contribution ferromagnetic fluctuation pairing interactions random phase approximations rashba spin-orbit coupling superconducting pairing unconventional superconductivity van hove singularities spin fluctuations article doping superconductivity
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R. Zeyher and A. Greco
Competition between spin-induced charge instabilities in underdoped cuprates
Physical Review B (cited By 1), 98(22), 2018
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A. Greco, H. Yamase, and M. Bejas
Charge-density-excitation spectrum in the t-t′-J-V model
Journal of the Physical Society of Japan (cited By 4), 86(3), 2017
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H. Yamase, M. Bejas, and A. Greco
D-wave bond-order charge excitations in electron-doped cuprates
EPL (cited By 7), 111(5), 2015
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G. Buzon, A. Foussats, M. Bejas, and A. Greco
Self-energy effects in cuprates and the dome-shaped behavior of the superconducting critical temperature
Physical Review B - Condensed Matter and Materials Physics (cited By 2), 89(2), 2014
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M. Bejas, A. Greco, and H. Yamase
Strong particle-hole asymmetry of charge instabilities in doped Mott insulators
New Journal of Physics (cited By 5), 16, 2014
charge density charge density waves oxide superconductors phase separation charge orders electron doped cuprates hole-doped cuprates nearest neighbor hopping nearest-neighbor coulomb repulsion particle-hole asymmetry pomeranchuk instability pseudo-gap semiconductor doping
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A. Greco and M. Bejas
Pseudogap in cuprates driven by d-wave flux-phase order proximity effects: A theoretical analysis from Raman and ARPES experiments
Journal of Physics Condensed Matter (cited By 1), 26(48), 2014
copper compounds electronic structure fermi liquids fermions high temperature superconductors liquids oxide superconductors photoelectron spectroscopy superconducting materials temperature distribution angle resolved photoemission spectroscopy electronic raman scattering intermediate energies nodal quasiparticles non-fermi liquid behaviours optical spectroscopy pseudo-gap temperature dependence bismuth alloys anion copper chemical model chemistry computer simulation electric conductivity electron transport phase transition procedures raman spectrometry semiconductor anions computer simulation copper electric conductivity electron transport models chemical phase transition semiconductors spectrum analysis raman
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R. Zeyher and A. Greco
Self-energy effects in electronic Raman spectra of doped cuprates due to magnetic fluctuations
Physical Review B - Condensed Matter and Materials Physics (cited By 10), 87(22), 2013
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H. Parent, M. Bejas, A. Greco, and O. Hammer
Relationships between dimensionless models of ammonoid shell morphology
Acta Palaeontologica Polonica (cited By 3), 57(2), 445-447, 2012
ammonite diameter morphology numerical model paleontology shape shell
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A. Greco, L. Bornmann, and W. Marx
Bibliometric analysis of scientific development in countries of the Union of South American Nations (Unasur)
Profesional de la Informacion (cited By 3), 21(6), 607-612, 2012
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M. Bejas, A. Greco, and H. Yamase
Possible charge instabilities in two-dimensional doped Mott insulators
Physical Review B - Condensed Matter and Materials Physics (cited By 41), 86(22), 2012
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A. Foussats, A. Greco, and A. Muramatsu
Path integrals for dimerized quantum spin systems
Nuclear Physics B (cited By 3), 842(2), 225-247, 2011
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M. Bejas, G. Buzon, A. Greco, and A. Foussats
Doping and temperature dependence of the pseudogap and Fermi arcs in cuprates from d-CDW with short-range fluctuations in the context of the t-J model
Physical Review B - Condensed Matter and Materials Physics (cited By 7), 83(1), 2011
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R. Zeyher and A. Greco
Fermi arcs and isotope effect of the magnetic penetration depth in underdoped cuprates
EPL (cited By 0), 93(6), 2011
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A. Greco and M. Bejas
Short-ranged and short-lived charge-density-wave order and pseudogap features in underdoped cuprate superconductors
Physical Review B - Condensed Matter and Materials Physics (cited By 16), 83(21), 2011
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H. Parent, A. Greco, and M. Bejas
Size-shape relationships in the mesozoic planispiral ammonites
Acta Palaeontologica Polonica (cited By 9), 55(1), 85-98, 2010
ammonite growth rate mesozoic morphology ontogeny shell ammonoidea
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G. Buzon and A. Greco
Two distinct quasiparticle inelastic scattering rates in the t-J model and their relevance for high- Tc cuprate superconductors
Physical Review B - Condensed Matter and Materials Physics (cited By 5), 82(5), 2010
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S. Kaiser, M. Dressel, Y. Sun, A. Greco, J. Schlueter, G. Gard, and N. Drichko
Bandwidth tuning triggers interplay of charge order and superconductivity in two-dimensional organic materials
Physical Review Letters (cited By 31), 105(20), 2010
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R. Zeyher and A. Greco
Large isotope effect on Tc in cuprates despite a small electron-phonon coupling
Physical Review B - Condensed Matter and Materials Physics (cited By 11), 80(6), 2009
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A. Greco
Evidence for two competing order parameters in underdoped cuprate superconductors from a model analysis of Fermi-Arc effects
Physical Review Letters (cited By 14), 103(21), 2009
angle-resolved photoemission cuprate superconductor flux phase high-tc cuprates model analysis order parameter pseudogap phase self-energy effects t-j models charge density copper compounds technetium oxide superconductors
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M. Bejas, A. Greco, A. Muramatsu, and A. Foussats
One-particle spectral properties of the t-J-V model on the triangular lattice near charge order
Physical Review B - Condensed Matter and Materials Physics (cited By 3), 77(7), 2008
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A. Greco
Self-energy renormalization around the flux phase in the t-J model: Possible implications in underdoped cuprates
Physical Review B - Condensed Matter and Materials Physics (cited By 8), 77(9), 2008
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A. Foussats, A. Greco, and M. Bejas
Role of dynamical non-double-occupancy excitations on the quasiparticle damping of the t-J model in the large-N limit
Physical Review B - Condensed Matter and Materials Physics (cited By 4), 78(15), 2008
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M. Bejas, A. Greco, and A. Foussats
Charge order and phonon renormalizations: Possible implications for cobaltates
Physical Review B - Condensed Matter and Materials Physics (cited By 5), 75(3), 2007
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A. Greco
t - J model one-electron renormalizations: High energy features in photoemission experiments on high Tc cuprates
Solid State Communications (cited By 7), 142(6), 318-322, 2007
bandwidth doping (additives) electron emission electron-electron interactions fermi surface photoemission quasicrystals spectroscopic analysis angle-resolved photoemission electron emission spectroscopies high energy high energy contributions incoherent spectra renormalizations copper compounds
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N. Drichko, M. Dumm, D. Faltermeier, M. Dressel, J. Merino, and A. Greco
Drude weight in quasi-two-dimensional organic conductors close to the Mott transition: Optical studies of the bandwidth, filling and temperature dependence
Physica C: Superconductivity and its Applications (cited By 4), 460462, 125-128, 2007
electronic properties optical properties superconducting transition temperature thermal effects drude weight electronic correlations mott-hubbard transition organic superconducting materials
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H. Parent and A. Greco
An "Equation of state" for the morphology of Jurassic ammonites: A multidimensional law based on classical dimensions
Revue de Paleobiologie (cited By 2), 26(1), 41-53, 2007
ammonite equation of state jurassic morphology ammonoidea
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A. Greco and R. Zeyher
Collective excitations in unconventional charge-density wave systems
Physical Review B - Condensed Matter and Materials Physics (cited By 3), 73(19), 2006
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J. Merino, A. Greco, N. Drichko, and M. Dressel
Non-fermi liquid behavior in nearly charge ordered layered metals
Physical Review Letters (cited By 31), 96(21), 2006
electronic properties optics scattering coulomb repulsion non-fermi liquid behavior optical conductivity two-dimensional metals fermi level
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M. Bejas, A. Greco, and A. Foussats
One-electron self-energies and spectral functions for the t-J model in the large- N limit
Physical Review B - Condensed Matter and Materials Physics (cited By 16), 73(24), 2006
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N. Drichko, M. Dressel, C. Kuntscher, A. Pashkin, A. Greco, J. Merino, and J. Schlueter
Electronic properties of correlated metals in the vicinity of a charge-order transition: Optical spectroscopy of α- (BEDT-TTF)2 MHg (SCN)4 (M=N H4, Rb, Tl)
Physical Review B - Condensed Matter and Materials Physics (cited By 41), 74(23), 2006
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A. Foussats, A. Greco, M. Bejas, and A. Muramatsu
Electron-phonon interaction dressed by electronic correlations near charge ordering. Possible implications for cobaltates
Journal of Physics Condensed Matter (cited By 8), 18(50), 11411-11428, 2006
cobalt compounds electron scattering electronic properties fermi liquids phase separation phonons charge ordering cobaltates d-wave symmetry homogeneous fermi liquis (hfl) quantum theory
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R. Zeyher and A. Greco
D charge-density-wave versus superconducting phase fluctuations in underdoped high-Tc superconductors
Physica Status Solidi (B) Basic Research (cited By 5), 242(2), 356-362, 2005
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N. Drichko, K. Petukhov, M. Dressel, O. Bogdanova, E. Zhilyaeva, R. Lyubovskaya, A. Greco, and J. Merino
Indications of electronic correlations in the 1 5 -filled two-dimensional conductor β″ - (((BEDO- TTF)5 [CsHg (SCN)4] 2
Physical Review B - Condensed Matter and Materials Physics (cited By 5), 72(2), 2005
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A. Foussats, A. Greco, M. Bejas, and A. Muramatsu
Cooperative effect of phonons and electronic correlations for superconductivity in cobaltates
Physical Review B - Condensed Matter and Materials Physics (cited By 12), 72(2), 2005
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A. Greco, J. Merino, A. Foussats, and R. McKenzie
Spin exchange and superconductivity in a t- J′ -V model for two-dimensional quarter-filled systems
Physical Review B - Condensed Matter and Materials Physics (cited By 9), 71(14), 2005
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A. Greco and R. Zeyher
c-axis tunneling spectra in high-Tc superconductors in the presence of a d-charge-density wave
Physical Review B - Condensed Matter and Materials Physics (cited By 11), 70(2), 024518-1-024518-11, 2004
anisotropy article boson conductance electric potential electron low temperature molecular interaction superconductor surface property
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R. Zeyher and A. Greco
Competition between superconductivity and the pseudogap phase in the t-J model
Physica Status Solidi (B) Basic Research (cited By 3), 236(2), 343-346, 2003
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J. Merino, A. Greco, R. McKenzie, and M. Calandra
Dynamical properties of a strongly correlated model for quarter-filled layered organic molecular crystals
Physical Review B - Condensed Matter and Materials Physics (cited By 41), 68(24), 2003
metal organic compound article calculation correlation analysis crystal structure dynamics mathematical model radiation scattering structure analysis
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A. Greco and A. Dobry
Manifestation of marginal Fermi liquid and phonon excitations in photoemission experiments of cuprate superconductors
Solid State Communications (cited By 3), 122(12), 111-115, 2002
electron scattering electron transport properties fermi level fermi liquids fermi surface phonons photoemission phonon excitations oxide superconductors
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A. Foussats and A. Greco
Large-N expansion based on the Hubbard operator path integral representation and its application to the t-J model
Physical Review B - Condensed Matter and Materials Physics (cited By 17), 65(19), 1951071-1951076, 2002
article calculation electricity mathematical analysis model operator technique
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R. Zeyher and A. Greco
Influence of collective effects and the d charge-density wave on electronic Raman scattering in high-Tc superconductors
Physical Review Letters (cited By 31), 89(17), 177004/1-177004/4, 2002
carrier concentration electron energy levels green's function magnetic susceptibility raman scattering raman spectroscopy semiconductor device models semiconductor doping superconducting transition temperature charge density wave electronic raman scattering raman susceptibility high temperature superconductors
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A. Greco and R. Zeyher
Influence of spin fluctuations on the superconducting transition temperature and resistivity in the t-J model at large N
Physical Review B - Condensed Matter and Materials Physics (cited By 7), 63(6), 2001
article electric conductivity electron spin resonance mathematical analysis molecular model surface property temperature dependence thermodynamics
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A. Greco and R. Zeyher
Electronic correlations, electron-phonon interaction, and isotope effect in high-Tc cuprates
Physical Review B - Condensed Matter and Materials Physics (cited By 13), 60(2), 1296-1302, 1999
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R. Zeyher and A. Greco
Effective interactions and superconductivity in the t-J model in the large-N limit
European Physical Journal B (cited By 19), 6(4), 473-485, 1998
crystal lattices crystal symmetry fermi surface green's function integral equations linear equations mathematical models mathematical operators numerical methods perturbation techniques superconducting transition temperature superconductivity baym-kadanoff method nearest-neighbor hopping integral equations high temperature superconductors
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R. Zeyher and A. Greco
Instabilities towards superconductivity and incommensurate bond-order waves in the t-J model
Physica C: Superconductivity and its Applications (cited By 0), 282287(3), 1741-1742, 1997
energy gap mathematical models superconducting transition temperature superconductivity bond order waves high temperature superconductors
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D. Cabra, A. Dobry, A. Greco, and G. Rossini
On the path integral representation for spin systems
Journal of Physics A: Mathematical and General (cited By 6), 30(8), 2699-2704, 1997
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A. Greco and A. Dobry
Stability of correlated electronic systems under the influence of the electron-phonon interaction
Solid State Communications (cited By 4), 99(7), 473-477, 1996
antiferromagnetism approximation theory calculations degrees of freedom (mechanics) electron transport properties electronic density of states electrons mathematical models molecular dynamics phonons system stability vectors adiabatic approximation antiferromagnetic exchange interactions correlated electronic system electron phonon interaction exact diagonalization technique hilbert space holstein hubbard-hostein models high temperature superconductors
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A. Greco and R. Zeyher
Superconducting instabilities in the tt′ hubbard model in the large-N limit
Europhysics Letters (cited By 22), 35(2), 115-120, 1996
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A. Dobry, A. Greco, S. Koval, and J. Riera
Exact diagonalization study of the two-dimensional t-J-Holstein model
Physical Review B (cited By 14), 52(19), 13722-13725, 1995
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S. Koval and A. Greco
Strong correlations, frozen-phonons and double-well potential in the Cu O chains of Y Ba2Cu3O7-δ: An exact diagonalization approach
Solid State Communications (cited By 3), 90(1), 17-21, 1994
calculations copper oxides correlation methods electron energy levels electrons infrared spectroscopy mathematical models phonons quantum theory raman scattering stability coulomb repulsion diagonalization double well potential electron phonon coupling electron phonon interaction frozen phonons peierls hubbard model high temperature superconductors
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A. Dobry, A. Greco, R. Migoni, and M. Stachiotti
Nonlinear lattice excitations in charge-fluctuating systems
Physical Review B (cited By 0), 47(9), 5442-5445, 1993
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A. Dobry, A. Greco, R. Migoni, and M. Stachiotti
Cu charge fluctuations and anomalous behaviour in the phonon spectrum of La2 Cu O4
Solid State Communications (cited By 1), 82(12), 963-967, 1992
molecular crystals - lattice vibrations molecular vibrations - mathematical models neutrons - scattering phonons charge fluctuations lattice dynamics molecular dynamics simulation nonlinear breathing shell model lanthanum compounds
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A. Dobry, A. Greco, and M. Stachiotti
Structural phase transition in the nonlinear-polarizability shell model
Physical Review B (cited By 2), 43(13), 11166-11170, 1991
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A. Dobry, A. Greco, R. Migoni, and O. Zandron
Classical statistical mechanics of the nonlinear adiabatic shell model: Monatomic chain with quartic core-shell interaction
Physical Review B (cited By 3), 39(16), 12182-12188, 1989
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Journal Articles by A. Greco

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Conference Papers

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