N. AUCAR BOIDI, CHRISTIAN HELMAN, Y. NÚÑEZ-FERNÁNDEZ, K. HALLBERG, A. ALIGIA

Determination of superexchange interactions for the CuO2 chains in LiCu2O2

PHYSICAL REVIEW B; Lugar: New York; Año: 2023

KAREN HALLBERG, FELIX MIRABEL

Exploring the Universe from Argentina

Science Reviews; Año: 2022 vol. 1

AUCAR BOIDI, N.; FERNÁNDEZ GARCÍA, H.; NÚÑEZ-FERNÁNDEZ, Y.; HALLBERG, K.

In-gap band in the one-dimensional two-orbital Kanamori-Hubbard model with interorbital Coulomb interaction

Physical Review Research; Año: 2021 vol. 3 p. 888 - 999

HALLBERG, K.; NÚÑEZ-FERNÁNDEZ, Y.

Subbands in the doped two-orbital Kanamori-Hubbard model

Physical Review B; Año: 2020 vol. 102

KOMIJANI, YASHAR; HALLBERG, KAREN; KOTLIAR, GABRIEL

Renormalized dispersing multiplets in the spectrum of nearly Mott localized systems

PHYSICAL REVIEW B; Año: 2019 vol. 99 p. 125150 - 125155

HALLBERG, KAREN

Women in science: The need for a global cultural change

Proceedings of the International Astronomical Union; Año: 2019 vol. 15 p. 281 - 285

NÚÑEZ-FERNÁNDEZ, Y.; KOTLIAR, G.; HALLBERG, K.

Emergent low-energy bound states in the two-orbital Hubbard model

PHYSICAL REVIEW B; Año: 2018 vol. 97 p. 121113 - 121117

NÚÑEZ FERNÁNDEZ, YURIEL; HALLBERG, K.

Solving the Multi-site and Multi-orbital Dynamical Mean Field Theory Using Density Matrix Renormalization

Frontiers in Physics; Año: 2018 vol. 6

NÚÑEZ FERNÁNDEZ, YURIEL; HALLBERG, KAREN

An efficient impurity-solver for the dynamical mean field theory algorithm

Papers in Physics; Año: 2017 vol. 9

K. HALLBERG, D. J. GARC ́ıA, PABLO S. CORNAGLIA, JORGE I. FACIO AND Y. NU ́N ̃EZ-FERN ́ANDEZ

EPL Perspectives: State-of-the-art techniques for calculating spectral functions in models for correlated materials,

EUROPHYSICS LETTERS; Lugar: Bologna; Año: 2015 vol. 112 p. 17001 - 17006

K. HALLBERG, D. J. GARCA, PABLO S. CORNAGLIA, JORGE I. FACIO AND Y. NUNEZ-FERNANDEZ,

EPL Perspectives: State-of-the-art techniques for calculating spectral functions in models for correlated materials

EUROPHYSICS LETTERS; Año: 2015 vol. 112 p. 17001 - 17008

E. M. SCHNEIDER, J. R. IGLESIAS, K. HALLBERG AND M. N. KUPERMAN

Crimes against humanity: The role of international courts

PLOS ONE; Lugar: San Francisco; Año: 2014 vol. 9 p. 99064 - 99069

Y. NU ́N ̃EZ FERN ́ANDEZ, D. GARC ́ıA, AND K. HALLBERG

The two orbital Hubbard model in a square lattice: a DMFT + DMRG approach

JOURNAL OF PHYSICS CONDENSED MATTER; Lugar: Londres; Año: 2014 vol. 568 p. 42009 - 42013

Y. NUN ̃EZ FERN ANDEZ, D. GARCIA, AND K. HALLBERG

The two orbital Hubbard model in a square lattice: a DMFT + DMRG approach

JOURNAL OF PHYSICS CONDENSED MATTER; Año: 2014 vol. 568 p. 42009 - 42014

A. C. TIEGEL, P. E. DARGEL, K. A. HALLBERG, H. FRAHM, T. PRUSCHKE

Spin-spin correlations between two Kondo impurities coupled to an open Hubbard chain

PHYSICAL REVIEW B; Lugar: New York; Año: 2013 vol. 87 p. 75122 - 75126

JULIA ́N RINC ́ON, D. GARC ́ıA, K. HALLBERG AND M. VOJTA,

Quantum phase transition between one-channel and two-channel Kondo po- larons

PHYSICAL REVIEW B; Lugar: New York; Año: 2013 vol. 88 p. 140407 - 140411

M. NIZAMA; D. FRUSTAGLIA; K. HALLBERG

Quantum correlations in nanostructured two-impurity Kondo systems

PHYSICAL REVIEW B; Lugar: New York; Año: 2012 vol. 86 p. 75413 - 75418

S. THOMAS, S. RAMASESHA, K. HALLBERG AND D. GARCIA

Fused Azulenes: Possible Organic Multiferroics

PHYSICAL REVIEW B - SOLID STATE; Año: 2012 vol. 86 p. 180403 - 180407

P. ROURA-BAS, L. TOSI, A. A. ALIGIA, AND K. HALLBERG

Interplay between quantum interference and Kondo effects in nonequilibrium transport through nanoscopic systems

PHYSICAL REVIEW B; Año: 2011 vol. 84 p. 73406 - 73411

J. RINCON, D. GARCIA, K. HALLBERG

Improved parallelization techniques for the density matrix renormalization group

COMPUTER PHYSICS COMMUNICATIONS; Año: 2010

K. HALLBERG, J. RINCON, Y S. RAMASESHA

Quantum properties in transport through nanoscopic rings: charge-spin separation and interference effects

INTERNATIONAL JOURNAL OF MODERN PHYSICS B; Año: 2010 vol. 24 p. 5068 - 5078

K. HALLBERG, J. RINC\'{O}N, M. NIZAMA, A. A. ALIGIA Y S. RAMASESHA,

Correlations, Quantum Entanglement and Interference in Nanoscopic Systems

JOURNAL OF STATISTICAL PHYSICS; Año: 2010 vol. P110 p. 1742 - 1750

J. RINCON, A. ALIGIA,. K. HALLBERG

Conductance through strongly interacting rings in a magnetic field

PHYSICA B - CONDENSED MATTER; Año: 2009 vol. 404 p. 2270 - 2274

J. RINCON, K. HALLBERG, A. ALIGIA, S. RAMASESHA

Quantum interference in coherent molecular conductance

PHYSICAL REVIEW LETTERS; Año: 2009 vol. 103 p. 266807 - 266811

J. RINC´ON, K. HALLBERG Y A. ALIGIA

Features of spin-charge separation in the equilibrium conductance through finite rings

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 2009 vol. 79 p. 35112 - 35116

J. RINC´ON, A. A. ALIGIA Y K. HALLBERG

Universal Scaling in Nonequilibrium Transport through an Anderson impurity

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 2009 vol. 79 p. 121301 - 121305

J. RINC ́ON, K. HALLBERG Y A. ALIGIA

Effect of charge-spin separation on the conductance through interacting low- dimensional rings,

PHYSICA B - CONDENSED MATTER; Lugar: Amsterdam; Año: 2009 vol. 404 p. 3147 - 3152

M. NIZAMA, D. FRUSTAGLIA Y K. HALLBERG,

Quantum entanglement in elliptical quantum corrals

PHYSICA B - CONDENSED MATTER; Lugar: Amsterdam; Año: 2009 vol. 404 p. 2819 - 2823

D. J. GARC´ıA, E. MIRANDA, K. HALLBERG, M. J. ROZENBERG

The metal-insulator transition in the paramagnetic Hubbard Model

PHYSICA B - CONDENSED MATTER; Año: 2008 vol. 403 p. 1465 - 1467

K. HALLBERG, M. NIZAMA Y J. D’ALBUQUERQUE E CASTRO

Impurities in elliptical quantum corrals,

MICROELECTRONICS JOURNAL; Año: 2008 p. 39 - 1289

K. HALLBERG Y M. NIZAMA

Quantum properties of elliptical corrals

PROGRESS OF THEORETICAL PHYSICS; Año: 2008 vol. 176 p. 408 - 425

K. HALLBERG

Numerical methods for nanoscpic systems based on density matrix renormalization

JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE; Año: 2008 vol. 5 p. 923 - 941

J. RINC´ON, K. HALLBERG Y A. ALIGIA

Spin-charge separation in strongly interacting finite ladder rings

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 2008 vol. 78 p. 125115 - 125120

D. GARCIA, E. MIRANDA, K. HALLBERG AND M. ROZENBERG

Mott transition in the Hubbard model away from particle-hole symmetry

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 2007 vol. 75 p. 121102 - 121106

D. GARCIA, E. MIRANDA, K. HALLBERG AND M. ROZENBERG

Metal-insulator transition in correlated systems: a new numerical approach

PHYSICA B - CONDENSED MATTER; Año: 2007 vol. 398 p. 407 - 410

M. NIZAMA, K. HALLBERG AND J. D'ALBUQUERQUE E CASTRO

Static and dynamical properties of elliptical quantum corrals

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 2007 vol. 75 p. 235445 - 235451

K. HALLBERG

New Trends in Density Matrix Renormalization

ADVANCES IN PHYSICS; Año: 2006 p. 477 - 526

B. NORMAND; K. HALLBERG; A. ALIGIA; A. KAMPF

Spin-charge separation and topological phase transitions in Aharonov-Bohm rings of interacting electrons

INTERNATIONAL JOURNAL OF MODERN PHYSICS B; Año: 2006 vol. 20 p. 2651 - 2655

K. HALLBERG

Recent Applications of the DMRG Method

INTERNATIONAL JOURNAL OF MODERN PHYSICS B; Año: 2006 vol. 20 p. 2624 - 2635

M. E. TORIO, K. HALLBERG AND C. PROETTO

Two-state behaviour of Kondo trimers

EUROPHYSICS LETTERS; Año: 2006 vol. 73 p. 239 - 245

D. GARCÍA, K. HALLBERG AND M. ROZENBERG

Dynamical Mean Field Theory with the Density Matrix Renormalization Group

PHYSICAL REVIEW LETTERS; Año: 2004 vol. 93 p. 246403 - 246408

A. DE MARTINO, R. EGGER, F. MURPHY ARMANDO,K. HALLBERG

Spin-orbit coupling and electron spin resonance for interacting electrons in carbon nanotubes

JOURNAL OF PHYSICS CONDENSED MATTER; Año: 2004 vol. 16 p. 1437 - 1437

M. E. TORIO, K. HALLBERG, S. FLACH, A. MIROSHNICHENKO Y M. TITOV

Spin filters with Fano dots

EUROPEAN PHYSICAL JOURNAL B - CONDENSED MATTER; Año: 2004 vol. 37 p. 399 - 405

K. HALLBERG, A. A. ALIGIA, A. KAMPF Y B. NORMAND

Spin-charge separation in Aharonov-Bohm rings of interacting electrons

PHYSICAL REVIEW LETTERS; Año: 2004 vol. 93 p. 67203 - 67207

D. GARCÍA, K. HALLBERG, B. ALASCIO Y M. AVIGNON

Spin order in the one-dimensional Kondo and Hund Lattices

PHYSICAL REVIEW LETTERS; Año: 2004 vol. 93 p. 177204 - 177209

A. ALIGIA, K. HALLBERG, A. KAMPF Y B. NORMAND

Detection of topological transitions by transport through molecules and nanodevices

PHYSICAL REVIEW LETTERS; Año: 2004 vol. 93 p. 76801 - 76805

A. DE MARTINO, R. EGGER, F. MURPHY ARMANDO,K. HALLBERG

Spin-orbit coupling and electron spin resonance for interacting electrons in carbon nanotubes

JOURNAL OF PHYSICS CONDENSED MATTER; Año: 2004 vol. 16 p. 1437 - 1452

M. E. TORIO, K. HALLBERG, A. H. CECCATTO, C. PROETTO

Kondo resonances and Fano antiresonances in transport through quantum dots

PHYSICAL REVIEW B; Año: 2002 vol. 65 p. 85302 - 85307

K. HALLBERG, A. CORREA Y C. BALSEIRO,

Spectroscopic and magnetic mirages of impurities in nanoscopic systems,

PHYSICAL REVIEW LETTERS; Año: 2002 vol. 88 p. 66802 - 66806

A. CORREA, K. HALLBERG, Y C. A. BALSEIRO

Mirages and enhanced magnetic interactions in quantum corrals

EUROPHYSICS LETTERS; Año: 2002 vol. 58 p. 6 - 11

K. HALLBERG, A. CORREA Y C. BALSEIRO

Spectroscopic and magnetic mirages in nanoscopic systems with focusing properties,

PHYSICA B - CONDENSED MATTER; Lugar: Amsterdam; Año: 2002 vol. 320 p. 354 - 459

D. J. GARCIA, K. HALLBERG, C. D. BATISTA, M. AVIGNON Y B. ALASCIO

Zero temperature phase diagram of the ferromagnetic Kondo lattice model

PHYSICA B - CONDENSED MATTER; Lugar: Amsterdam; Año: 2002 vol. 320 p. 30 - 36

D. J. GARCIA, K. HALLBERG, C. D. BATISTA, S. CAPPONI, D. POILBLANC, M. AVIGNON Y B. ALASCIO

Charge and spin inhomogeneous phases in the Ferromagnetic Kondo Lattice Model for manganites

PHYSICAL REVIEW B; Año: 2002 vol. 65 p. 134444 - 134449

A. DE MARTINO, R. EGGER, K. HALLBERG Y C.A. BALSEIRO

Spin-orbit coupling and ESR theory for carbon nanotubes,

PHYSICAL REVIEW LETTERS; Año: 2002 vol. 88 p. 206402 - 206406

P. S. CORNAGLIA, K. HALLBERG Y C. A. BALSEIRO

Quasiparticles and c-axis coherent hopping in high Tc superconductors

PHYSICAL REVIEW B; Año: 2001 vol. 63 p. 60504 - 60508

H. ALIAGA, K. HALLBERG, B. ALASCIO, M. AVIGNON Y B. NORMAND

Island phases and charge order in two-dimensional manganites

PHYSICAL REVIEW B; Año: 2001 vol. 64 p. 24422 - 24429

A. ALIGIA, K. HALLBERG, C. BATISTA Y G. ORTIZ,

Phase diagram from topological transitions: the Hubbard chain with correlated hopping,

PHYSICAL REVIEW B; Año: 2000 vol. 61 p. 7883 - 7890

E. JANNOD, C. PAYEN, K. SCHOUMACKER, C. BATISTA, K. HALLBERG Y A. ALIGIA

Evidence of quantum criticality in the doped Haldane system Y2BaNiO5,

PHYSICAL REVIEW B; Año: 2000 vol. 62 p. 2998 - 3005

M.E. TORIO, A.A. ALIGIA, K. HALLBERG Y H.A. CECCATTO

Phase diagram of the extended Hubbard chain with charge-dipole interactions,

PHYSICAL REVIEW B; Año: 2000 vol. 62 p. 6991 - 6996

D. GARC ́ıA, K. HALLBERG, C. BATISTA, M. AVIGNON Y B. ALASCIO

New type of charge and magnetic order in the Ferromagnetic Kondo Lattice,

PHYSICAL REVIEW LETTERS; Año: 2000 vol. 85 p. 3720 - 3725

S. DRECHSLER, J. MALEK, G. PAASCH Y K. HALLBERG,

Dimerization problem in conjugated polymers

SYNTHETIC METALS; Año: 1999 vol. 101 p. 386 - 393

K. HALLBERG, C. BATISTA Y A. ALIGIA,

Specific heat in the S=1 chain Y2BaNiO5,

PHYSICA B - CONDENSED MATTER; Lugar: Amsterdam; Año: 1999 vol. 259 p. 1017 - 1022

C. BATISTA, K. HALLBERG Y A. ALIGIA,

Electron Spin Resonance of defects in the Haldane System Y2BaNiO5,

PHYSICAL REVIEW B; Año: 1999 vol. 60 p. 12553 - 12559

A. ALIGIA, K. HALLBERG, C. BATISTA Y G. ORTIZ

Superconductivity and Topological Numbers in the Hubbard Chain with Bond-Charge Interaction

JOURNAL OF LOW TEMPERATURE PHYSICS; Lugar: New York; Año: 1999 vol. 117 p. 5 - 8

C. BATISTA, K. HALLBERG Y A. ALIGIA,

Specific heat of defects in the Haldane system Y2BaNiO5

PHYSICAL REVIEW B; Año: 1998 vol. 58 p. 9248 - 9255

K. HALLBERG,

Density matrix renormalization group for static and dynamical properties of low dimensional systems

REVISTA MEXICANA DE FíSICA; Año: 1998 vol. 44 p. 1 - 10

A. ALIGIA, E. GAGLIANO, L. ARRACHEA Y K. HALLBERG,

Superconductivity with s and p symmetries in an extended Hubbard model with correlated hopping

EUROPEAN PHYSICAL JOURNAL B - CONDENSED MATTER; Lugar: Berlin; Año: 1998 vol. 5 p. 371 - 378

J. RIERA, K. HALLBERG AND E. DAGOTTO

Phase diagram of electronic models for transition metal oxides in one dimension

PHYSICAL REVIEW LETTERS; Año: 1997 vol. 79 p. 713 - 716

K. PENC, K. HALLBERG, F. MILA Y H. SHIBA,

Spectral functions of the 1D Hubbard model in the U → ∞ limit: How to use the factorized wave-function

PHYSICAL REVIEW B; Año: 1997 vol. 55 p. 15475 - 15482

K. HALLBERG Y R. EGGER,

Two-impurity Kondo problem for correlated electrons,

PHYSICAL REVIEW B; Año: 1997 vol. 55 p. 8646 - 8652

J. MALEK, S. DRECHSLER, G. PAASCH Y K. HALLBERG

Solitonic approach to the dimerization problem in intermediately and strongly correlated one-dimensional systems

PHYSICAL REVIEW B; Año: 1997 vol. 56 p. 8467 - 8473

KARLO PENC, KAREN HALLBERG, FREDERIC MILA E HIROYUKI SHIBA

Shadow band in the one-dimensional large U Hubbard model

PHYSICAL REVIEW LETTERS; Año: 1996 vol. 77 p. 1390 - 1393

K. HALLBERG, X. Q. G. WANG, P. HORSCH Y A. MOREO,

Critical behavior of the S = 3/2 antiferromagnetic Heisenberg chain

PHYSICAL REVIEW LETTERS; Año: 1996 vol. 76 p. 4955 - 4960

K. HALLBERG

Density matrix algorithm for the calculation of dynamical properties of low dimensional systems

PHYSICAL REVIEW B; Año: 1995 vol. 52 p. 9827 - 9831

K. HALLBERG Y C. BALSEIRO,

Static and dynamical properties of a magnetic impurity in a strongly corre- lated electronic system,

PHYSICAL REVIEW B; Año: 1995 vol. 52 p. 374 - 380

E. MUELLER-HARTMANN, K. HALLBERG Y C. BALSEIRO,

Hole dynamics in a arbitrary spin background

PHYSICAL REVIEW B; Año: 1995 vol. 52 p. 4396 - 4400

KAREN HALLBERG, PETER HORSCH Y GERARDO MART ́ıNEZ,

Numerical renormalization group study of the correlation functions of the antiferromagnetic spin-1/2 Heisenberg chain

PHYSICAL REVIEW B; Año: 1995 vol. 52 p. 719 - 725

L ARRACHEA, A. A. ALIGIA, E. GAGLIANO, K. HALLBERG Y C. A. BALSEIRO,

Superconducting correlations in Hubbard chains with correlated hopping

PHYSICAL REVIEW B; Año: 1994 vol. 50 p. 16044 - 16050

K. HALLBERG Y C. BALSEIRO,

-Finite-size study of a magnetic impurity in a strongly correlated electronic system

PHYSICA C - SUPERCONDUTIVITY; Lugar: Amsterdam; Año: 1994 vol. 235 p. 2305 - 2310

E. JAGLA, K. HALLBERG Y C. A. BALSEIRO,

Numerical study of charge and spin separation in low dimensional systems,

PHYSICAL REVIEW B; Año: 1993 vol. 47 p. 5849 - 5855

K. HALLBERG Y C. BALSEIRO,

Phase diagram of the 1D t-J model

SOLID STATE COMMUNICATIONS; Año: 1992 vol. 82 p. 523 - 529

D. GOTTLIEB, M. MONTENEGRO, M. LAGOS Y K. HALLBERG,

Numeric and variational study of the anisotropic Heisenberg antiferromagnet interacting with a magnetic field

PHYSICAL REVIEW B; Año: 1992 vol. 46 p. 3427 - 3433

DAVID GOTTLIEB, MAXIMILIANO MONTENEGRO, CRISTIAN MILL ́AN, VICENTE D ́ıAZ Y KAREN HALLBERG

9-Variational solution for the spin 1/2 Heisenberg antiferromagnet with nearest and next nearest neighbour coupling,

SOLID STATE COMMUNICATIONS; Año: 1992 vol. 84 p. 585 - 591

D. GOTTLIEB, M. LAGOS, K. HALLBERG Y C. BALSEIRO,

Antiferromagnetic Heisenberg model with anisotropic coupling between near- est and next nearest neighbours

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 1991 vol. 43 p. 13668 - 13670

K. HALLBERG Y C. BALSEIRO

Anyons in spin liquids

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 1991 vol. 43 p. 10289 - 10294

K. HALLBERG, A. ROJO Y C. BALSEIRO

One hole spectral densities in the polarized Heisenberg model

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 1991 vol. 43 p. 8005 - 8010

K. HALLBERG, A. ROJO Y C. BALSEIRO,

Dynamics of one hole in the polarized t-J model,

PHYSICA B - CONDENSED MATTER; Lugar: Amsterdam; Año: 1991 vol. 171 p. 82 - 88

K. HALLBERG, E. GAGLIANO Y C. BALSEIRO,

Finite size study of a spin-1/2 Heisenberg chain with competing interactions: Phase diagram and critical behaviour

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 1990 vol. 41 p. 9474 - 9480

K. HALLBERG, A. ROJO Y C. BALSEIRO,

Flux phases in polarized spin liquids,

PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS; Año: 1990 vol. 42 p. 4827 - 4832