Recent Publications

2009

  1. 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. R. S. Fishman, S. Okamoto, and F. A. Reboredo, “Inverse Jahn-Teller Transition in Bimetallic Oxalates,” Phys. Rev. Lett. 101, 116402 (2008).
  4. S. Okamoto, “Nonlinear Transport through Strongly Correlated Two-Terminal Heterostructures: A Dynamical Mean-Field Approach,” Phys. Rev. Lett. 101, 116807 (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, Wei Ku, Chi-Cheng 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. ¸S 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).