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1.
Excitons in insulating cuprates.
Simón ME; Aligia AA; Batista CD; Gagliano ER; Lema F.
Phys Rev B Condens Matter ; 54(6): R3780-R3783, 1996 Aug 01.
Article in English | MEDLINE | ID: mdl-9986371
2.
Phase separation and valence instabilities in cuprate superconductors: Effective one-band-model approach.
Simón ME; Aligia AA.
Phys Rev B Condens Matter ; 53(22): 15327-15334, 1996 Jun 01.
Article in English | MEDLINE | ID: mdl-9983331
3.
Anomalous flux quantization in a hubbard ring with correlated hopping.
Arrachea L; Aligia AA; Gagliano E.
Phys Rev Lett ; 76(23): 4396-4399, 1996 Jun 03.
Article in English | MEDLINE | ID: mdl-10061279
4.
Magnetic, nonmagnetic, and non-Fermi-liquid ground state of an impurity fluctuating between two magnetic configurations.
Aligia AA.
Phys Rev B Condens Matter ; 52(17): 12497-12500, 1995 Nov 01.
Article in English | MEDLINE | ID: mdl-9980397
5.
Electronic structure of the CuO3 chains in RBa2Cu3O6+x (R=Y or a rare earth).
Aligia AA; Gagliano ER; Vairus P.
Phys Rev B Condens Matter ; 52(18): 13601-13604, 1995 Nov 01.
Article in English | MEDLINE | ID: mdl-9980558
6.
Erratum: Superconducting correlations in Hubbard chains with correlated hopping
Arrachea L; Aligia AA; Gagliano E; Hallberg K; Balseiro C.
Phys Rev B Condens Matter ; 52(13): 9793, 1995 Oct 01.
Article in English | MEDLINE | ID: mdl-9980031
7.
Derivation and numerical study of the singlet-triplet model for cuprate superconductors.
Simón ME; Aligia AA.
Phys Rev B Condens Matter ; 52(10): 7701-7707, 1995 Sep 01.
Article in English | MEDLINE | ID: mdl-9979715
8.
Ground state and magnetic susceptibility of intermediate-valence Tm impurities.
Allub R; Aligia AA.
Phys Rev B Condens Matter ; 52(11): 7987-7993, 1995 Sep 15.
Article in English | MEDLINE | ID: mdl-9979797
9.
Superconductivity from correlated hopping.
Batista CD; Lema F; Aligia AA.
Phys Rev B Condens Matter ; 52(9): 6223-6226, 1995 Sep 01.
Article in English | MEDLINE | ID: mdl-9981849
10.
Long-range Coulomb repulsion and finite-size approximations.
Aligia AA; Garcés J.
Phys Rev B Condens Matter ; 52(9): 6227-6229, 1995 Sep 01.
Article in English | MEDLINE | ID: mdl-9981850
11.
Brinkman-Rice transition driven by interatomic repulsion in hexagonal copper oxides.
Simón ME; Aligia AA; Núñez Regueiro MD.
Phys Rev B Condens Matter ; 51(21): 15642-15644, 1995 Jun 01.
Article in English | MEDLINE | ID: mdl-9978540
12.
Phase diagram of an extended Hubbard model with correlated hopping at half filling.
Aligia AA; Arrachea L; Gagliano ER.
Phys Rev B Condens Matter ; 51(19): 13774-13777, 1995 May 15.
Article in English | MEDLINE | ID: mdl-9978183
13.
Single-particle spectral function of a generalized Hubbard model: Metal-insulator transition.
Gagliano ER; Aligia AA; Arrachea L; Avignon M.
Phys Rev B Condens Matter ; 51(20): 14012-14019, 1995 May 15.
Article in English | MEDLINE | ID: mdl-9978326
14.
Superconducting correlations in Hubbard chains with correlated hopping.
Arrachea L; Aligia AA; Gagliano E; Hallberg K; Balseiro C.
Phys Rev B Condens Matter ; 50(21): 16044-16051, 1994 Dec 01.
Article in English | MEDLINE | ID: mdl-9975976
15.
Exact solution of a Hubbard chain with bond-charge interaction.
Arrachea L; Aligia AA.
Phys Rev Lett ; 73(16): 2240-2243, 1994 Oct 17.
Article in English | MEDLINE | ID: mdl-10057008
16.
Mechanism for electric field effects observed in YBa2Cu3O7-x films.
Aligia AA.
Phys Rev Lett ; 73(11): 1561, 1994 Sep 12.
Article in English | MEDLINE | ID: mdl-10056824
17.
Effect of the Cu-Cu superexchange on the stability of Zhang-Rice singlets.
Batista CD; Aligia AA.
Phys Rev B Condens Matter ; 49(22): 16048-16051, 1994 Jun 01.
Article in English | MEDLINE | ID: mdl-10010746
18.
Systematic derivation of a generalized t-J model.
Aligia AA; Simón ME; Batista CD.
Phys Rev B Condens Matter ; 49(18): 13061-13064, 1994 May 01.
Article in English | MEDLINE | ID: mdl-10010218
19.
Erratum: Validity of the t-J model
Batista CD; Aligia AA.
Phys Rev B Condens Matter ; 49(9): 6436, 1994 Mar 01.
Article in English | MEDLINE | ID: mdl-10011653
20.
Charge transfer and oxygen ordering in YBa2Cu3O6+x.
Aligia AA; Garcés J.
Phys Rev B Condens Matter ; 49(1): 524-534, 1994 Jan 01.
Article in English | MEDLINE | ID: mdl-10009313
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