Recent Publications

2012

  1. M. Matsuda, C. de la Cruz, H. Yoshida, M. Isobe, and R. S. Fishman, “Partially disordered state and spin-lattice coupling in an S = 3/2 triangular lattice antiferromagnet Ag2CrO2,” Phys. Rev. B 85, 144407 (2012).
  2. T. Nakajima, S. Mitsuda, J. T. Haraldsen, R. S. Fishman, T. Hong, N. Terada, Y. Uwatoko, “Magnetic interactions in the multiferroic phase of CuFe1-xGaxO2 (x = 0.035) refined by inelastic neutron scattering with uniaxial-pressure control of domain structure,” Phys. Rev. B 85, 144405 (2012).
  3. F. Ye, R. S. Fishman, J. Haraldsen, B. Lorenz, C. W. Chu, T. Kimura, “Spin dynamics in the multiferroic materials,” J. Appl. Phys. 111 07E137 (2012).
  4. R. S. Fishman, “Quantum spin fluctuations for a distorted incommensurate spiral,” Phys. Rev. B 85, 024411 (2012).
  5. R. S. Fishman, G. Brown, and J. T. Haraldsen, “Monte Carlo and variational calculations of the magnetic phase diagram of CuFeO2,” Phys. Rev. B 85, 020405 (2012).
  6. R. S. Fishman, “Jahn-Teller Transitions in the Fe(II)Fe(III) Bimetallic Oxalates,” in Vibronic Interactions and the Jahn-Teller Effect: Theory and Applications, Progress in Theoretical Chemistry and Physics 23, edited by M. Atanasov et al. (Springer, 2012), p317 .

2011

  1. D. Xiao, W. Zhu, Y. Ran, N. Nagaosa, and S. Okamoto, “Interface engineering of quantum Hall effects in digital transition metal oxide heterostructures,” Nat. Commun. 2:596 doi: 10.1038/ncomms1602 (2011) .
  2. R. S. Fishman and J. S. Miller, “Metamagnetic phase transition in a diruthenium compound with interpenetrating sublattices,” Polyhedron 30, 3131 (2011).
  3. S. Okamoto, “Anomalous mass enhancement in strongly correlated quantum wells,” Phys. Rev. B 84, 201305(R) (2011).
  4. K.-Y. Yang, W. Zhu, D. Xiao, S. Okamoto, Z. Wang, and Y. Ran, “Possible interaction-driven topological phases in (111) bilayers of LaNiO3,” Phys. Rev. B 84, 201104(R) (2011).
  5. M. Matsuo, S. Okamoto, W. Koshibae, M. Mori, and S. Maekawa, “Non-monotonic temperature dependence of thermopower in strongly correlated electron systems,” Phys. Rev. B 84, 153107 (2011).
  6. T. Lancaster, F. L. Pratt, S. J. Blundell, A. J. Steele, P. J. Baker, J. D. Wright, I. Watanabe, R. S. Fishman, and J. S. Miller, “Local magnetism in the molecule-based metamagnet [Ru2(O2CMe)4]3[Cr(CN)6] probed with implanted muons,” Phys. Rev. B 84, 092405 (2011).
  7. M. Frontzek, J. T. Haraldsen, A. Podlesnyak, M. Matsuda, A. D. Christianson, R. S. Fishman, A. S. Sefat, Y. Qiu, J. R. D. Copley, S. Barilo, S. V. Shiryaev, and G. Ehlers, “Magnetic excitations in the geometric frustrated multiferroic CuCrO2,” Phys. Rev. B 84, 094448 (2011).
  8. R. S. Fishman, “Phase diagram of CuCrO2 in a magnetic field,” J. Phys.: Condens. Matter 23, 366002 (2011).
  9. R. S. Fishman, “Quantum spin fluctuations and ellipticity for a triangular-lattice antiferromagnet,” Phys. Rev. B 84, 052405 (2011).
  10. C.-W. Lee, R. K. Behera, S. Okamoto, R. Devanathan, E. D. Wachsman, S. R. Phillpot, and S. B. Sinnott, “Stabilization Mechanisms of LaFeO3 (010) Surfaces Determined with First Principles Calculations,” J. Am. Ceram. Soc., 94 [6] 1931-1939 (2011).
  11. J. Liu, S. Okamoto, M. van Veenendaal, M. Kareev, B. Gray, P. Ryan, J. W. Freeland, and J. Chakhalian “Quantum confinement of Mott electrons in ultrathin LaNiO3/LaAlO3 superlattices,” Phys. Rev. B 83, 161102(R) (2011).
  12. F. Y. Bruno, J. Garcia-Barriocanal, M. Varela, N. M. Nemes, P. Thakur, J. C. Cezar, N. B. Brookes, A. Rivera-Calzada, M. Garcia-Hernandez, C. Leon, S. Okamoto, S. J. Pennycook, J. Santamaria, “Electronic and Magnetic Reconstructions in La0.7Sr0.3MnO3/SrTiO3 Heterostructures: A Case of Enhanced Interlayer Coupling Controlled by the Interface,” Phys. Rev. Lett 106, 147205 (2011).
  13. F. Ye, R. S. Fishman, J. A. Fernandez-Baca, A. A. Podlesnyak, G. Ehlers, H. A. Mook, Y. Wang, B. Lorenz, and C. W. Chu, “Long-range magnetic interactions in the multiferroic antiferromagnet MnWO4,” Phys. Rev. B 83, 140401(R) (2011).
  14. R. S. Fishman and J. S. Miller, “Determination of the magnetic ground state of a polycrystalline compound based on susceptibility measurements,” Phys. Rev. B 83, 094433 (2011).
  15. R. S. Fishman and J. T. Haraldsen, “Global stability and the magnetic phase diagram of a geometrically frustrated triangular lattice antiferromagnet,” J. Appl. Phys. 109, 07E117 (2011).
  16. R. S. Fishman, “Phase Diagram of a Geometrically Frustrated Triangular-Lattice Antiferromagnet in a Magnetic Field,” Phys. Rev. Lett. 106, 037206 (2011).

2010

  1. J. Salafranca and S. Okamoto, “Unconventional Proximity Effect and Inverse Spin-Switch Behavior in a Model Manganite-Cuprate-Manganite Trilayer System,” Phys. Rev. Lett. 105, 256804 (2010).
  2. S. Okamoto, D. Sénéchal, M. Civelli, and A.-M. Tremblay, “Dynamical electronic nematicity from Mott physics,” Phys. Rev. B 82, 180511(R) (2010).
  3. J. T. Haraldsen and R. S. Fishman, “Effect of interlayer interactions and lattice distortions on the magnetic ground state and spin dynamics of a geometrically frustrated triangular-lattice antiferromagnet,” Phys. Rev. B 82, 144441 (2010).
  4. J. Garcia-Barriocanal, J. C. Cezar, F. Y. Bruno, P. Thakur, N. B. Brookes, C. Utfeld, A. Rivera-Calzada, S. R. Giblin, J. W. Taylor, J. A. Duffy, S. B. Dugdale, T. Nakamura, K. Kodama, C. Leon, S. Okamoto, and J. Santamaria, “Spin and Orbital Ti Magnetism at LaMnO3/SrTiO3 Interfaces,” Nat. Commun. 1:82 doi: 10.1038/ncomms1080 (2010).
  5. A. Y. Borisevich, H. J. Chang, M. Huijben, M. P. Oxley, S. Okamoto, M. K. Niranjan, J. D. Burton, E.Y. Tsymbal, Y. H. Chu, P. Yu, R. Ramesh, S. V. Kalinin, and S. J. Pennycook, “Suppression of Octahedral Tilts and Associated Changes in Electronic Properties at Epitaxial Oxide Heterostructure Interfaces,” Phys. Rev. Lett. 105, 087204 (2010).
  6. S. Okamoto, “Magnetic interaction at an interface between manganite and other transition-metal oxides,” Phys. Rev. B 82, 024427 (2010).
  7. J. T. Haraldsen, F. Ye, R. S. Fishman, J. A. Fernandez-Baca, Y. Yamaguchi, K. Kimura, and T. Kimura, “Multiferroic phase of doped delafossite CuFeO2 identified using inelastic neutron scattering,” Phys. Rev. B 82, 020404(R) (2010).
  8. P. Yu, J.-S. Lee, S. Okamoto, M. D. Rossell, M. Huijben, C.-H. Yang, Q. He, J. X. Zhang, S.Y. Yang, M. J. Lee, Q. M. Ramasse, R. Erni, Y.-H. Chu, D. A. Arena, C.-C. Kao, L.W. Martin, and R. Ramesh, “Interface Ferromagnetism and Orbital Reconstruction in BiFeO3-La0.7Sr0.3MnO3 Heterostructure,” Phys. Rev. Lett. 105, 027201 (2010).
  9. S. Okamoto and T. A. Maier, “Microscopic Inhomogeneity and Superconducting Properties of a Two-dimensional Hubbard Model for High-Tc Cuprates,” Phys. Rev. B 81, 214525 (2010).
  10. R. S. Fishman and J. S. Miller “Average g-Factors of Anisotropic Polycrystalline Samples,” J. Phys. Chem. C 114, 11623 (2010).
  11. R. S. Fishman, W. W. Shum, and J. S. Miller “Pressure-induced phase transition in a molecule-based magnet with interpenetrating sublattices,” Phys. Rev. B 81, 172407 (2010).
  12. J. T. Haraldsen and R. S. Fishman, “Spin-wave dynamics of magnetic heterostructures: application to Dy/Y multilayers,” J. Phys.: Condens. Matter 22, 186002 (2010).
  13. K. Yoshimatsu, T. Okabe, H. Kumigashira, S. Okamoto, S. Aizaki, A. Fujimori, and M. Oshima, “Dimensional-Crossover-Driven Metal-Insulator Transition in SrVO3 Ultrathin Films,” Phys. Rev. Lett. 104, 147601 (2010).
  14. J. T. Haraldsen and R. S. Fishman, “Control of chirality normal to the interface of hexagonal magnetic and nonmagnetic layers,” Phys. Rev. B 81, 020404(R) (2010).
  15. R. S. Fishman and S. Okamoto, “Noncollinear magnetic phases of a triangular-lattice antiferromagnet and of doped CuFeO2,” Phys. Rev. B 81, 020402(R) (2010).

2009

  1. Y. G. Shi, Y. F. Guo, S. Yu, M. Arai, A. A. Belik, A. Sato, K. Yamaura, E. Takayama-Muromachi, H. F. Tian, H. X. Yang, J. Q. Li, T. Varga, J. F. Mitchell, and S. Okamoto, “Continuous metal-insulator transition of the antiferromagnetic perovskite NaOsO3,” Phys. Rev. B 80, 161104(R) (2009).
  2. R. S. Fishman, S. Okamoto, and J. S. Miller, “Molecule-based magnets with diruthenium building blocks in two and three dimensions,” Phys. Rev. B 80, 140416(R) (2009).
  3. R. S. Fishman, S. Okamoto, W. W. Shum, and J. S. Miller, “Giant antiferromagnetically coupled moments in a molecule-based magnet with interpenetrating lattices,” Phys. Rev. B 80, 064401 (2009).
  4. S. Okamoto, “Surface magnetic phase transition of the double-exchange ferromagnet: Schwinger-boson mean-field study,” J. Phys.: Condens. Matter 21, 355601 (2009).
  5. J. T. Haraldsen, M. Swanson, G. Alvarez, and R. S. Fishman, “Spin-Wave Instabilities and Noncollinear Magnetic Phases of a Geometrically Frustrated Triangular-Lattice Antiferromagnet,” Phys. Rev. Lett. 102, 237204 (2009).
  6. R. S. Fishman, S. Okamoto, and F. A. Reboredo, “Spin-orbit coupling and Jahn-Teller distortion in bimetallic oxalates,” Polyhedron 28, 1740 (2009).
  7. M. Swanson, J. T. Haraldsen, and R. S. Fishman, “Critical anisotropies of a geometrically frustrated triangular-lattice antiferromagnet,” Phys. Rev. B 79, 184413 (2009).
  8. J. T. Haraldsen and R. S. Fishman, “Spin rotation technique for non-collinear magnetic systems: application to the generalized Villain model,” J. Phys.: Condens. Matter 21, 216001 (2009).
  9. R. S. Fishman, M. Clemente-León, and E. Coronado, “Magnetic Compensation and Ordering in the Bimetallic Oxalates: Why Are the 2D and 3D Series so Different?” Inorg. Chem. 48, 3039 (2009).
  10. P. L. Reis and R. S. Fishman, “Spin waves in antiferromagnetically coupled bimetallic oxalates,” J. Phys.: Condens. Matter 21, 016005 (2009).

2008

  1. G. Alvarez and E. Dagotto, “Fermi Arcs in the Superconducting Clustered State for Underdoped Cuprate Superconductors,” Phys. Rev. Lett. 101, 177001 (2008).
  2. S. Okamoto and Th. A. Maier, “Enhanced Superconductivity in Superlattices of High-Tc Cuprates,” Phys. Rev. Lett. 101, 156401 (2008).
  3. S. Okamoto, “Nonlinear Transport through Strongly Correlated Two-Terminal Heterostructures: A Dynamical Mean-Field Approach,” Phys. Rev. Lett. 101, 116807 (2008).
  4. R. S. Fishman, S. Okamoto, and F. A. Reboredo, “Inverse Jahn-Teller Transition in Bimetallic Oxalates,” Phys. Rev. Lett. 101, 116402 (2008).
  5. T. Z. Ward, S. Liang, K. Fuchigami, L. F. Yin, E. Dagotto, E. W. Plummer, and J. Shen, “Reemergent Metal-Insulator Transitions in Manganites Exposed with Spatial Confinement,” Phys. Rev. Lett. 100 247204 (2008).
  6. J. C. Xavier and E. Dagotto, “Robust d-wave Pairing Correlations in the Heisenberg Kondo Lattice Model,” Phys. Rev. Lett. 100 146403 (2008).
  7. K. A. Al-Hassanieh, F. A. Reboredo, A. E. Feiguin, I. González, and E. Dagotto, “Excitons in the One-Dimensional Hubbard Model: A Real-Time Study,” Phys. Rev. Lett. 100, 166403 (2008).
  8. P. Henelius and R. S. Fishman, “Hybrid quantum-classical Monte Carlo study of a molecule-based magnet,” Phys. Rev. B 78, 214405 (2008).
  9. R. S. Fishman, F. Ye, J. A. Fernandez-Baca, J. T. Haraldsen, and T. Kimura, “Importance of stacking to the collinear magnetic phases of the geometrically frustrated antiferromagnet CuFeO2,” Phys. Rev. B 78, 140407 (2008).
  10. P. Reis, R. S. Fishman, F. A. Reboredo, and J. Moreno, “Magnetic compensation in the bimetallic oxalates,” Phys. Rev. B 77, 174433 (2008).
  11. R. S. Fishman and F. Reboredo, “Magnetic anisotropy in the Fe(II)Fe(III) bimetallic oxalates,” Phys. Rev. B 77, 144421 (2008).
  12. E. Dagotto and Y. Tokura, “Strongly Correlated Electronic Materials: Present and Future,” MRS Bulletin 33 1037 (2008).
  13. I. González, S. Okamoto, S. Yunoki, A Moreo, and E. Dagotto, “Charge transfer in heterostructures of strongly correlated materials,” J. Phys.: Condens. Matter 20, 264002 (2008).
  14. R. S. Fishman and F. Reboredo, “Coercive field of a polycrystalline ferrimagnet with uni-axial anisotropy,” J. Magn. Magn. Mater. 320, 1700 (2008).
  15. R. S. Fishman, “Spin waves in CuFeO2,” J. Appl. Phys. 103, 07B109 (2008).

2007

  1. E. Dagotto, “When Oxides Meet Face to Face,” Science 318, 1076 (2007).
  2. R. S. Fishman and F. Reboredo, “Giant Negative Magnetization in a Layered Organic Magnet,” Phys. Rev. Lett. 99, 217203 (2007).
  3. K. Yamaura, M. Arai, A. Sato, A. B. Karki, D. P. Young, R. Movshovich, S. Okamoto, D. Mandrus, and E. Takayama-Muromachi, “NaV2O4: A Quasi-1D Metallic Antiferromagnet with Half-Metallic Chains,” Phys. Rev. Lett. 99, 196601 (2007).
  4. F. Ye, J. A. Fernandez-Baca, R.S. Fishman, Y. Ren, H.J. Kang, Y. Qiu, and T. Kimura, “Magnetic Interaction in the Geometrically Frustrated Triangular Lattice Antiferromagnet CuFeO2,” Phys. Rev. Lett. 99, 157201 (2007).
  5. B. C. Larson, J. Z. Tischler, W. Ku, C.-C. Lee, O. D. Restrepo, A. G. Eguiluz, P. Zschack, and K. D. Finkelstein, “Non-Resonant Inelastic X-Ray Scattering and Energy-Resolved Wannier Function Investigation of d-d Excitations in NiO and CoO,“ Phys. Rev. Lett. 99, 026401 (2007).
  6. Y. Yildirim, G. Alvarez, A. Moreo, and E. Dagotto, “Large-Scale Monte Carlo Study of a Realistic Lattice Model for Ga1-xMnxAs,” Phys. Rev. Lett. 99, 057207 (2007).
  7. R. S. Fishman, F. Reboredo, A. Brandt, and J. Moreno, “Nature of the Perpendicular-to-Parallel Spin Reorientation in Mn-Doped GaAs Quantum Wells: Canting or Phase Separation?,” Phys. Rev. Lett. 98, 267203 (2007).
  8. C. Şen, G. Alvarez G, and E. Dagotto, “Competing Ferromagnetic and Charge-Ordered States in Models for Manganites: the Origin of the Colossal Magnetoresistance Effect,” Phys. Rev. Lett. 98, 127202 (2007).
  9. A. Moreo and D. J. Scalapino, “Cold Attractive Spin Polarized Fermi Lattice Gases and the Doped Positive U Hubbard Model,” Phys. Rev. Lett. 98, 216402 (2007) .
  10. S. S. Kancharla and E. Dagotto, “Correlated Insulated Phase Suggests Bond Order between Band and Mott Insulators in Two Dimensions,” Phys. Rev. Lett. 98, 016402 (2007).
  11. F. Popescu, C. Şen, E. Dagotto, and A. Moreo, “Crossover from impurity to valence band in diluted magnetic semiconductors: Role of Coulomb attraction by acceptors,” Phys. Rev. B 76, 085206 (2007).
  12. S. Yunoki, A. Moreo, E. Dagotto, S. Okamoto, S. S. Kancharla, A. Fujimori, “Electron Doping of Cuprates via Interfaces with Manganites,” Phys. Rev. B 76, 064532 (2007).
  13. S. Okamoto, “Nonequilibrium transport and optical properties of model metal–Mott-insulator–metal heterostructures,” Phys. Rev. B 76, 035105 (2007).
  14. A. Fuhrmann, S. Okamoto, H. Monien, and A. J. Millis, “Fictive-impurity approach to dynamical mean-field theory: A strong-coupling investigation,” Phys. Rev. B 75, 205118 (2007).
  15. S. S. Kancharla and S. Okamoto, “Band insulator to Mott insulator transition in a bilayer Hubbard model,” Phys. Rev. B 75, 193103 (2007).
  16. R. Melko, R. S. Fishman, and F. Reboredo, “A Single Layer of Mn in a GaAs Quantum Well: a Ferromagnet with Quantum Fluctuations,” Phys. Rev. B 75, 115316 (2007).
  17. F. Heidrich-Meisner, I. A. Sergienko, A. E. Feiguin, and E. Dagotto, “Universal emergence of the one-third plateau in the magnetization process of frustrated quantum spin chains,” Phys. Rev. B 75, 064413 (2007).
  18. G. Alvarez, K. A. Al-Hassanieh, F. Popescu F, C. Şen, A. Moreo, and E. Dagotto, “Study of strongly correlated electrons in nanoscopic and bulk forms: some recent results,” J. Phys.: Condens. Matter 19, 125213 (2007).

2006

  1. I. A. Sergienko, C. Şen, and E. Dagotto, “Ferroelectricity in the Magnetic E-Phase of Orthorhombic Perovskites,” Phys. Rev. Lett. 97, 227204 (2006).
  2. R. S. Fishman, “Magnetic Susceptibility and Order Parameter of the Spin-Glass-Like Phase of the Double-Exchange Model,” Phys. Rev. Lett. 97, 177204 (2006).
  3. Y. Q. Cai, P. C. Chow, O. D. Restrepo, Y. Takano, K. Togano, H. Kito, H. Ishii, C. C. Chen, K. S. Liang, C. T. Chen, S. Tsuda, S. Shin, C. C. Kao, W. Ku, and A. G. Eguiluz, “Low-Energy Charge-Density Excitations in MgB2: Striking Interplay between Single-Particle and Collective Behavior for Large Momenta,” Phys. Rev. Lett. 97, 176402 (2006).
  4. M. Takizawa, H. Wadati, K. Tanaka, M. Hashimoto, T. Yoshida, A. Fujimori, A. Chikamatsu, H. Kumigashira, M. Oshima, K. Shibuya, T. Mihara, T. Ohnishi, M. Lippmaa, M. Kawasaki, H. Koinuma, S. Okamoto, and A. J. Millis, “Photoemission from Buried Interfaces in SrTiO3/LaTiO3 Superlattices,” Phys. Rev. Lett. 97, 057601 (2006).
  5. S. Okamoto, A. J. Millis, and N. A. Spaldin, “Lattice relaxation in oxide heterostructures: LaTiO3/SrTiO3 superlattices,” Phys. Rev. Lett. 97, 056802 (2006).
  6. J. Moreno, R. S. Fishman, and M. Jarrell, “Transition Temperature of Magnetic Semiconductors with Angular Momentum j,” Phys. Rev. Lett. 96, 237204 (2006).
  7. G. B. Martins, C. A. Büsser, K. A. Al-Hassanieh, E. V. Anda, A. Moreo, and E. Dagotto “Transport Properties of Strongly Correlated Electrons in Quantum Dots Studied with a Simple Circuit Model,” Phys. Rev. Lett. 96, 066802 (2006).
  8. W. Zhang, V. V. Dobrovitski, K. A. Al-Hassanieh, E. Dagotto, and B. N. Harmon, “Hyperfine interaction induced decoherence of electron spins in quantum dots,” Phys. Rev. B 74, 205313 (2006).
  9. S. S. Kancharla and E. Dagotto, “Metallic interface at the boundary between band and Mott insulators,” Phys. Rev. B 74, 195427 (2006).
  10. M. A. Majidi, J. Moreno, M. Jarrell, R. S. Fishman, and K. Aryanpour, “Dynamics of Impurities and Valence Bands in Ga1-xMnxAs within the Dynamical Mean Field Approximation,” Phys. Rev. B 74, 115205 (2006).
  11. C. Şen, G. Alvarez, Y. Motome, N. Furukawa, I. A. Sergienko, T. C. Schulthess, A. Moreo, and E. Dagotto “One- and two-band models for colossal magnetoresistive manganites studied using the truncated polynomial expansion method,” Phys. Rev. B 73, 224430 (2006).
  12. K. A. Al-Hassanieh, A. E. Feiguin, J. A. Riera, C. A. Büsser, and E. Dagotto, “Adaptive time-dependent density-matrix renormalization-group technique for calculating the conductance of strongly correlated nanostructures,” Phys. Rev. B 73, 195304 (2006).
  13. R. S. Fishman, F. Popescu, G. Alvarez, Th. Maier, and J. Moreno, “Short-Range Ordered Phase of the Double-Exchange Model in Infinite Dimensions,” Phys. Rev. B 73, 140405(R) (2006).
  14. K. Aryanpour, E. R. Dagotto, M. Mayr, T. Paiva, W. E. Pickett, and R. T. Scalettar “Effect of inhomogeneity on s-wave superconductivity in the attractive Hubbard model,” Phys. Rev. B 73, 104518 (2006).
  15. I. A. Sergienko and E. Dagotto “Role of the Dzyaloshinskii-Moriya interaction in multiferroic perovskites,” Phys. Rev. B 73, 094434 (2006).
  16. F. Popescu, Y. Yildirim, G. Alvarez, A. Moreo, and E. Dagotto “Critical temperatures of the two-band model for diluted magnetic semiconductors,” Phys. Rev. B 73, 075206 (2006).
  17. C. Lin, S. Okamoto, and A. J. Millis, “Dynamical mean-field study of model double-exchange superlattices,” Phys. Rev. B 73, 041104(R) (2006).
  18. J. Riera and A. Moreo, “Inhomogeneous charge textures stabilized by electron-phonon interactions in the t-J model,” Phys. Rev. B 73, 014518 (2006).
  19. M. Mayr, G. Alvarez, A. Moreo, and E. Dagotto, “One-particle spectral function and local density of states in a phenomenological mixed-phase model for high-temperature superconductors,” Phys. Rev. B 73, 014509 (2006).
  20. J. C. Xavier, H. Onishi, T. Hotta, and E. Dagotto “Spin, charge, and orbital correlations in the one-dimensional t2g-orbital Hubbard model,” Phys. Rev. B 73, 014405 (2006).
  21. V. V. Krishnamurthy, J. L. Robertson, R. S. Fishman, M. D. Lumsden, and J. F. Mitchell, “Anisotropic Spin Waves and Exchange Interactions in the A-type Antiferromagnetic State of Pr0.5Sr0.5MnO3,” Phys. Rev. B 73, 060404(R) (2006).
  22. R. S. Fishman, F. Popescu, G. Alvarez, J. Moreno, Th. Maier, and M. Jarrell, “Magnetic Instabilities and Phase Diagram of the Double-Exchange Model in Infinite Dimensions,” New Journal of Physics 8, 116 (2006).
  23. R. S. Fishman, J. Moreno, and M. Jarrell, “Generalized Double-Exchange Model for Magnetic Semiconductors with Angular Momentum j,” Journal of Magnetism and Magnetic Materials 300, 53 (2006).