papers

Elbio R. A. Dagotto
Professor
E-mail: dagotto@magnet.fsu.edu
Telephone: (850) 644-1726
Fax Number: (850) 644-5038
Room: A315

2004

192. Orbital Ordering, New Phases, and Stripe Formation in Doped Layered Nickelates

T. Hotta and E. Dagottto, cond-mat/0401596.

191. Predicting Colossal Effects in High-Tc Superconductors

G. Alvarez, M. Mayr, A. Moreo and E. Dagotto, cond-mat/0401474.

190. Insulator-to-Metal Transition Induced by Disorder in a Model for Manganites.

C. Sen, G. Alvarez, and E. Dagotto, submitted to PRB.

189. Hole-pair Symmetry and Excitations in the strong coupling extended t-Jz model: competition between d-wave and p-wave

R. M. Fye, G. B. Martins, and E. Dagotto, submitted to PRB.

188. Unexpected Conductance Dip in the Kondo Regime of Linear Arrays of Quantum Dots

C.A. B"usser, Adriana Moreo and Elbio Dagotto, submitted to PRB, cond-mat/0308413

187. Relevance of Cooperative Lattice Effects and Stress Fields
in Phase-Separation Theories for CMR Manganites

J. Burgy, A. Moreo and E. Dagotto, Phys. Rev. Lett. 92, 097202 (2004).
,

2003

186. Theoretical Study of Half-Doped Models for Manganites: Fragility of the CE Phase with Disorder, Two Types of
Colossal Magnetoresistances, and Charge-Ordered States for Electron-Doped Materials

H. Aliaga, D. Magnoux, A. Moreo, D. Poilblanc, S. Yunoki, and E. Dagotto,
Phys. Rev. B68, 104405 (2003).

185. Single-Band Model for Diluted Magnetic Semiconductors:
Dynamical and Transport Properties and Relevance of Clustered States

G. Alvarez and E. Dagotto, Phys. Rev. B 68, 045202 (2003).

184. Unveiling New Magnetic Phases of Undoped and Doped Manganites

Takashi Hotta, Mohammad Moraghebi, Adrian Feiguin, Adriana Moreo, Seiji Yunoki, and Elbio Dagotto,
Phys. Rev. Lett. 90, 247203 (2003).

183. Nanoscale Phase Separation in Colossal Magnetoresistance Materials: Lessons for the Cuprates?

E. Dagotto, J. Burgy and A. Moreo, cond-mat/0209689, Solid State Communications 126, 9 (2003), Proceedings of
          the post- $\mu$SR2002 Superconductivity Workshop, Williamsburg, VA., June 3-7, 2002, edited by
          A.J. Millis, S. Uchida, Y.J. Uemura.

182. Open Questions in CMR Manganites, Relevance of Clustered States, and Analogies with other Compounds

E. Dagotto, cond-mat/0302550. Adapted from book ``Nanoscale Phase Separation and Colossal Magnetoresistance'',
Springer-Verlag, 2002, conclusions chapter. Intended for publication only in cond-mat.

181. Tunneling magnetoresistance and quantum oscillations in bilayered Ca2Ru2O7

G. Cao, L. Balicas, Y. Xin, E. Dagotto, J. E. Crow, C. S. Nelson, and D. F. Agterberg, Phys. Rev. B 67, 060406(R) (2003).

180. Percolative Transitions with First-Order Characteristics in the Context of Colossal Magnetoresistance Manganites

J. Burgy, E. Dagotto, and M. Mayr, Phys. Rev. B67, 014410 (2003).

2002

179. Sorella et al. reply

S. Sorella, A. Parola, F. Becca, L. Capriotti, C. Gazza, E. Dagotto, and G. Martins, Phys. Rev. Lett. 89,
279703 (2002).

178. Phase Diagram of a Model for Diluted Magnetic Semiconductors Beyond Mean-Field Approximation

G. Alvarez, M. Mayr, and E. Dagotto, Phys. Rev. Lett. 89, 277202 (2002).

177. Global versus Local Ferromagnetism in a Model for Diluted Magnetic Semiconductors Studied with Monte Carlo Techniques

176. Superconductivity in the Two-Dimensional t-J Model

175. Prediction of Orbital Ordering in Single-Layered Ruthenates

2001

174. The Race to Beat the Cuprates

293

173. Colossal Magnetoresistant Materials: The Key Role of Phase Separation

344

172. Colossal Effects in Transition Metal Oxides Caused by Intrinsic Inhomogeneities

171. Qualitative understanding of the sign of t' asymmetry in the extended t-J model and relevance for pairing properties

170. Stripes Induced by Orbital Ordering in Layered Manganites

169. Comment on "Charge-Orbital Stripe Structure in La_1-xCa_xMnO₃ ( x = 1/2, 2/3)"

168. Resistivity of Mixed-Phase Manganites

167. Origin of spin incommensurability in hole-doped S=1Y_2-xCa_xBaNiO₅ chains

166. Indications of spin-charge separation at short distance and stripe formation in the extended t-J model on ladders and planes

2000

165. Stripes in the Ising limit of models for the cuprates

164. Charge-orbital ordering and phase separation in the two-orbital model for manganites: Roles of Jahn-Teller phononic and Coulombic interactions

163. Doped Stripes in Models for the Cuprates Emerging from the One-Hole Properties of the Insulator

162. Giant Cluster Coexistence in Doped Manganites and Other Compounds

161. Ferromagnetic, A-Type, and Charge-Ordered CE-Type States in Doped Manganites Using Jahn-Teller Phonons

160. Topological Scenario for Stripe Formation in Manganese Oxides

159. Competition between ferromagnetic and charge-orbital ordered phases in Pr_1-xCa_xMnO₃ for x=1 / 4, 3 / 8, and 1 / 2

1999

158. Pseudogap Formation in an Electronic System with d-wave Attraction at Low-density

157. Experiments on Ladders Reveal a Complex Interplay between a Spin-Gapped Normal State and Superconductivity

156. Phase Separation Scenario for Manganese Oxides and Related Materials

283

155. Photoemission, inverse photoemission, and superconducting correlations in Hubbard and t-J ladders: role of the anisotropy between legs and rungs

154. Unified Quantum Mechanical Picture for Confined Spinons in Dimerized and Frustrated Spin S=1/2 Chains

153. Pseudogap Formation in Models for Manganites

152. A-type antiferromagnetic and C-type orbital-ordered states in LaMnO₃ using cooperative Jahn-Teller phonons

151. Indications of spin-charge separation in the two-dimensional extended t-J model

150. Hole-density evolution of the one-particle spectral function in doped ladders

149. Stripe stability in the extended t-J model on planes and four-leg ladders

148. Influence of nearest-neighbor Coulomb interactions on the phase diagram of the ferromagnetic Kondo model

147. Indications of unconventional superconductivity in doped and undoped triangular antiferromagnets

146. Hole pairs in a spin liquid: Influence of electrostatic hole-hole repulsion

1998

145. Phase Separation Induced by Orbital Degrees of Freedom in Models for Manganites with Jahn-Teller Phonons

144. Diagonalization in reduced Hilbert spaces using a systematically improved basis: Application to spin dynamics in lightly doped ladders

143. Ferromagnetic Kondo model for manganites: Phase diagram, charge segregation, and influence of quantum localized spins

142. Effect of spin-1 impurities in dimerized Heisenberg chains

141. Phase Separation in Electronic Models for Manganites

140. Pseudogap above T_c in a model with d_x_²-y² pairing

139. Enhancement of antiferromagnetic correlations induced by nonmagnetic impurities: Origin and predictions for NMR experiments

138. Two holes in a locally antiferromagnetic background: The role of retardation and Coulomb repulsion effects

137. Numerical calculations of the B_1g Raman spectrum of the two-dimensional Heisenberg model

1997

136. Reviewing Some Current Theories for High-Temperature Superconductors

135. Phase Diagram of Electronic Models for Transition Metal Oxides in One Dimension

134. Nonmagnetic impurities in spin-gapped and gapless Heisenberg antiferromagnets

133. Dynamical properties of the spin-Peierls compound alpha ^'-NaV₂O₅

132. Hole-doping evolution of the quasiparticle band in models of strongly correlated electrons for the high-T_c cuprates

131. Insulator-metal transition in one dimension induced by long-range electronic interactions

130. Local Enhancement of Antiferromagnetic Correlations by Nonmagnetic Impurities

129. Spectral functions of lightly doped antiferromagnets using dressed hole operators

128. Spectral functions of one-dimensional models of correlated electrons

1996

127. Surprises on the Way from 1D to 2D Quantum Magnets: the Novel Ladder Materials

271

126. One-dimensional systems display new depths

125. One-particle spectral weight of the three-dimensional single-band Hubbard model

124. Rapid suppression of the spin gap in Zn-doped CuGeO₃ and SrCu₂O₃

123. Hole dispersion and symmetry of the superconducting order parameter for underdoped CuO₂ bilayers and the three-dimensional antiferromagnets

122. Spontaneous coherence and collective modes in double-layer quantum-dot systems

121. Electronic Hamiltonian for transition-metal oxide compounds

120. Photoemission spectra in t-J ladders with two legs

119. d_x_²-y² superconductivity in a model of correlated fermions

118. Spin Dynamics of Hole Doped Y_2-xCa_xBaNiO₅

117. Heavy Quasiparticles in the Anderson Lattice Model

116. Possible phononic mechanism for d_x_²-y² superconductivity in the presence of short-range antiferromagnetic correlations

115. Spin dynamics of SrCu₂O₃ and the Heisenberg ladder

1995

114. Reply to Comment by Alexandrov and Mott on "Flat quasiparticle dispersion in the 2D t-J model"

113. Magnetic Raman Scattering in Two-Dimensional Spin-1/2 Heisenberg Antiferromagnets: Spectral Shape Anomaly and Magnetostrictive Effects

112. Predictions for neutron scattering and photoemission experiments on CuGeO₃

111. Antiferromagnetically Induced Photoemission Band in the Cuprates

110. Antiferromagnetic and van Hove Scenarios for the Cuprates: Taking the Best of Both Worlds

109. Quasiparticle dispersion of the t-J and Hubbard models

108. Photoemission spectra of Sr₂CuO₂Cl₂: A theoretical analysis

107. Liaison between superconductivity and phase separation

1994

106. Raman spectra of two-dimensional spin-1/2 Heisenberg antiferromagnets

105. Flat quasiparticle dispersion in the 2D t-J model

104. Superconductivity in the multiband Hubbard model with long-range Coulomb repulsion

103. Spin-charge separation in the two-dimensional Hubbard and t-J models at low electronic density

102. Optical conductivity of the Hubbard model at finite temperature

101. d-wave bound state of holes in an antiferromagnet

100. Superconductivity near phase separation in models of correlated electrons

99. Correlated electrons in high-temperature superconductors

1993

98. Random-exchange disorder in the spin-1/2 XXZ chain

97. Cluster diagonalization in systematically expanded Hilbert spaces: Application to models of correlated electrons

96. Accelerated convergence in exact-diagonalization studies

95. Spin gap and superconductivity in the one-dimensional t-J model with Coulomb repulsion

94. Dynamical properties of antiferromagnetic Heisenberg spin chains

93. Indications of d_x²-y² superconductivity in the two dimensional t-J model

92. Many-body basis-set reduction applied to the two-dimensional t-J_z model

91. Dynamical properties of a single hole in an antiferromagnet

90. Ground-state properties of the Hubbard model on a C₆₀ cluster

89. Generalized spin-density-wave state of the Hubbard model for C₁₂ and C₆₀ clusters

88. Excitation spectrum of Heisenberg spin ladders

1992

87. Superconductivity in the two-dimensional t-J model

86. Single-particle spectral weight of a two-dimensional Hubbard model

85. Static and dynamical properties of doped Hubbard clusters

84. Comment on ``Chiral ordering in a frustrated quantum spin system''

83. Optical conductivity of the two-dimensional Hubbard model

82. Superconductivity in ladders and coupled planes

1991

81. Screening and chiral symmetry breaking in three dimensional SU(2) gauge theory with dynamical fermions

B 362

80. Comment on ``Odd-parity singlet pairing in the positive-U Hubbard model''

79. Density of states of doped Hubbard clusters

78. Optical mass in the t-J model

77. Spin-1/2 frustrated Heisenberg model at finite temperature

76. Phase separation in the Hubbard model

75. Static and dynamical correlations in a spin-1/2 frustrated antiferromagnet

74. Constructing quasiparticle operators in strongly correlated systems

73. Cluster study of the t-J model: Chiral fluctuations

72. Non-mean-field exponents in strongly coupled quenched QED

1990

71. The equation of state and critical exponents in quenched strongly coupled QED

B 347

70. Finite size, fermion mass and N_f systematics in computer simulations of quantum electrodynamics

B 331

69. Towards the chiral limit of strongly coupled quenched QED

B 333

68. Chiral symmetry breaking in three dimensional QED with N_f flavors

B 334

67. Phase diagram of noncompact scalar electrodynamics

B 242

66. Raman scattering in the t-J model with doping

65. Incommensurate correlations in the t-J and frustrated spin-1/2 Heisenberg models

64. Hole motion in the t-J and Hubbard models: Effect of a next-nearest-neighbor hopping

63. Anyons on a torus

62. Spectral function at finite doping in the t-J model

61. Ground-state properties of the S=1/2 Heisenberg antiferromagnet on a triangular lattice

60. Optical conductivity of the Hubbard and t-J models

59. Dynamical pair susceptibilities in the t-J and Hubbard models

58. Ground-state quantum numbers of the half-filled Hubbard model

57. Strongly correlated electronic systems with one hole: Dynamical properties

56. Dynamics of one hole in the t-J model

55. Binding of holes in the Hubbard model

1989

54. Strongly coupled quenched QED

317

53. A supercomputer study of strongly coupled QED

317

52. On the triviality of QED with a large number of flavors

232

51. Phase diagram of the frustrated spin-1/2 Heisenberg antiferromagnet in 2 dimensions

50. Spin-hole polaron of the t-J_z model

49. Critical behavior of the two-dimensional anisotropic Heisenberg antiferromagnet: A numerical test of spin-wave theory

48. Holes in the infinite-U Hubbard model: Instability of the Nagaoka state

47. Hubbard model with one hole: Ground-state properties

46. Phase diagram of the two-dimensional negative-U Hubbard model

45. Computer simulation of chiral-symmetry breaking in (2+1)-dimensional QED with N flavors

44. Catalyzed symmetry breaking in strongly coupled QED

43. Exact diagonalization study of the frustrated Heisenberg model: A new disordered phase

1988

42. Screening and point-like structure. Zero-charge problem reexamined

213

41. Non perturbative study of QED in a strong Coulomb field

205

40. Towards a non perturbative study of the Strongly Coupled Standard Model

208 B

39. On the Existence of Quantum Electrodynamics

38. Zero-temperature properties of the two-dimensional Heisenberg antiferromagnet: A numerical study

Erratum

37. SU(2) gauge invariance and order parameters in strongly coupled electronic systems

36. New phase of quantum electrodynamics: A nonperturbative fixed point in four dimensions

35. Accelerated simulations of XY spin glasses

34. Study of Hamiltonians with long-range interactions: The XY model

33. Study of compact QED with light fermions

295 [FS21]

1987

32. Numerical analysis of accelerated stochastic algorithms near a critical temperature

31. Anomalous currents, induced charge and bound states on a domain wall of a semiconductor

285 [FS19]

30. Testing accelerated stochastic algorithms in two dimensions: the SU(3) x SU(3) spin model

290 [FS20]

29. Lattice SU(N) QCD at finite temperature and density in the strong coupling limit

186B

28. First Order phase transision in lattice QED with ligh fermions

1986

27. A numerical study of lattice QED with dynamical fermions

175B

26. Physical Realization of the Parity Anomaly in Condensed Matter Physics

Erratum

25. Study of Lattice SU(N) QCD at Finite Baryon Density

24. Correlation functions of the antiferromagnetic Heisenberg model using a modified Lanczos method

Erratum

23. Numerical study of parity-violating vacuum currents in lattice QED

22. First-order phase transition in lattice QCD at finite temperature with light fermions: An analytical study

21. Mean-field approximation for Abelian and non-Abelian lattice gauge theories at finite temperature

20. Gauge invariant mean field technique for lattice gauge theories with scalar matter

165B

19. The strong coupling limit of SU(2) QCD at finite baryon density

169B

18. A comment on the Nielsen-Ninomiya theorem

172B

17. Problems with finite density simulations of lattice QCD

275 [FS17]

1985

16. Monte Carlo and mean field analysis of the SU(2) x SU(2) chiral model in two dimensions with mixed action

165B

15. Mean link analysis of lattice spin models

155B

14. Analysis of spin and gauge models with variational methods

13. Mean-plaquette approximation for lattice gauge theories at finite temperature

12. Gaussian corrections around the mean-field approximation for the mixed SU(2) lattice gauge theory

11. Mean-plaquette analysis of the SU(3) lattice gauge theory

10. Improved Hamiltonian variational technique for lattice models

9. SU(N) x SU(N) chiral models on asymmetric lattices with standard and improved actions

1984

8. Derivation of model Hamiltonians for interacting subsystems of nonidentical particles

7. Mean-field-with-corrections approach to the mixed U(1) lattice gauge theory

6. Mean-plaquette treatment of the mixed fundamental-adjoint SU(2) lattice gauge theory

5. Hamiltonian variational study of SU(2) lattice gauge theory

4. Bethe-Peierls approximation for Lagrangian and Hamiltonian lattice models

3. An improved mean-field calculation for the Z(2) Higgs model

136B

1983

2. Strong coupling expansion of the Liouville model

125B

1. Wilson loop Langevin equation for U(1) lattice gauge theory

125D

Back to Dagotto Home