Contents

• Referred Publications.
• Invited Publications.
• Invited Talks.
• Other Talks and Workshops.
• Honors.
• PhD Thesis.
• Computational Physics.

2009

• J.T. Haraldsen, M. Swanson, G. Alvarez, R. S. Fishman, Spin-Wave Instabilities and Non-Collinear Magnetic Phases of a Geometrically-Frustrated Triangular-Lattice Antiferromagnet , arXiv:0901.2336 (2009).

2008

• Shuai Dong, Rong Yu, Seiji Yunoki, Gonzalo Alvarez, J.-M. Liu, Elbio Dagotto, Metal-insulator transition in (LaMnO₃)_2n/(SrMnO₃)_n superlattices, arXiv:0810.1441 or Phys. Rev. B 78, 201102, 2008.
• G. Alvarez and E. Dagotto, Fermi Arcs in the Superconducting Clustered State for Underdoped Cuprates, arXiv:0802.3394 or Phys. Rev. Lett. 101, 177001, 2008.
• Rong Yu, Shuai Dong, Cengiz Sen, Gonzalo Alvarez, Elbio Dagotto, Study of Short-distance Spin and Charge Correlations and Local Density-of-States in the CMR regime of the One-Orbital Model for Manganites, Phys. Rev. B 77, 214434 (2008) or arXiv:0802.3382.

2007

• A. Moreo, Y Yildirim and G. Alvarez, Multi-Orbital Lattice Model for (Ga,Mn)As and Other Lightly Magnetically Doped Zinc-Blende-Type Semiconductors arXiv:0710.0577.
• G. Alvarez, P. K. V. V. Nukala, and E. D'Azevedo, Fast Diagonalisation of Evolving Matrices: Application to Spin-Fermion Models, J. Stat. Mech. (2007) P08007.
• Cengiz Sen, Gonzalo Alvarez, Elbio Dagotto, Competing Ferromagnetic and Charge-Ordered States in Models for Manganites: the Origin of the CMR Effect, Phys. Rev. Lett. 98, 127202 (2007) or cond-mat/0702426 (2007). (This article has been included in the April 2, 2007 version of Virtual Journal of Nanoscale Science & Technology.)
• Yucel Yildirim, Gonzalo Alvarez, Adriana Moreo, Elbio Dagotto, Large-Scale Monte Carlo Study of a Realistic Lattice Model for Ga_(1-x)Mn_xAs, Phys. Rev. Lett. 99, 057207 (2007) or cond-mat/0612002.

2006

• R.S. Fishman, F. Popescu, G. Alvarez, J. Moreno, Th. Maier, M. Jarrell, Magnetic Instabilities and Phase Diagram of the Double-Exchange Model in Infinite Dimensions, New J. Phys. 8 (2006) 116 or cond-mat/0604392 (2006).
• C. Sen, G. Alvarez, H. Aliaga, E. Dagotto, Colossal Magnetoresistance Observed in Monte Carlo Simulations of the One- and Two-Orbital Models for Manganites, cond-mat/0603221 (2006) or Phys. Rev. B 73, 224441 (2006)
• G. Alvarez, H. Aliaga, C. Sen, E. Dagotto, Fragility of the A-type AF and CE Phases of Manganites: An Exotic Insulator-to-Metal Transition Induced by Quenched Disorder, Phys. Rev. B 73, 224426 (2006) or cond-mat/0603181 (2006).
• F. Popescu, Y. Yildirim, G. Alvarez, A. Moreo, E. Dagotto, Critical Temperatures of a Two-Band Model for Diluted Magnetic Semiconductors, Phys. Rev. B 075206 (2006) also in cond-mat/0601593 (2006).
• G. Alvarez and T. C. Schulthess, Calculation of dynamical and many-body observables for spin-fermion models using the polynomial expansion method, Phys. Rev. B 73, 035117 (2006)
• C. Sen, G. Alvarez, Y. Motome, N. Furukawa, I. A. Sergienko, T. Schulthess, A. Moreo, E. Dagotto, Study of the One- and Two-Band Models for Colossal Magnetoresistive Manganites Using the Truncated Polynomial Expansion Method, Phys. Rev. B 73, 224430 (2006) or cond-mat/0509418 (2005).
• R.S. Fishman, F. Popescu, G. Alvarez, T.A. Maier, J. Moreno, Spin-Glass Solution of the Double-Exchange Model in Infinite Dimensions, Phys. Rev. B 73, 140405 (2006) or cond-mat/0509270 (2005).

2005

• Matthias Mayr, Gonzalo Alvarez, Cengiz Sen, Elbio Dagotto, Phase fluctuations in strongly coupled d-wave superconductors, Phys. Rev. Lett. 94, 217001 (2005)
• M. Mayr, G. Alvarez, A. Moreo and E. Dagotto, The One-Particle Spectral Function and the Local Density of States in a Phenomeological Mixed-Phase Model for High-Temperature Superconductors, Phys. Rev. B 73, 014509 (2006) or cond-mat/0503727
• G. Alvarez, C.Sen, N. Furukawa, Y. Motome, E. Dagotto, The Truncated Polynomial Expansion Monte Carlo Method for Fermion Systems Coupled to Classical Fields: A Model Independent Implementation cond-mat/0502461, Computer Physics Communications, 168 (2005), 32-45
• G. Alvarez, M. Mayr, A. Moreo and E. Dagotto, "Colossal Effects in High Tc Superconductors", cond-mat/0401474 or Phys. Rev. B 71, 014514 (2005)

2002-2004

• C. Sen, G. Alvarez and E. Dagotto, Insulator-to-metal transition induced by disorder in a model for manganites, Phys. Rev. B 70, 064428 (2004) (there's also a cond-mat version)
• G. Alvarez, E. Dagotto, "Single-Band Model for Diluted Magnetic Semiconductors: Dynamical and Transport Properties and Relevance of Clustered States", Phys. Rev. B 68 045202 (2003) or cond-mat/0303350
  
• G. Alvarez, M. Mayr, E. Dagotto. "Phase Diagram of a Model for Diluted Magnetic Semiconductors Beyond Mean-Field Approximations", Phys. Rev. Lett. 89, 277202 (2002) or cond-mat/0205197.
• M. Mayr, G. Alvarez, and E. Dagotto, "Global versus local ferromagnetism in a model for diluted magnetic semiconductors studied with Monte Carlo techniques", Phys. Rev. B 65, 241202 (2002) or cond-mat/0203493

• Elbio Dagotto, Seiji Yunoki, Cengiz Sen, Gonzalo Alvarez and Adriana Moreo, Recent developments in the theoretical study of phase separation in manganites and underdoped cuprates, J. Phys.: Condens. Matter 20 (2008) 434224
• G Alvarez, K A Al-Hassanieh, F Popescu, C Sen, A Moreo, and E Dagotto, Study of strongly correlated electrons in nanoscopic and bulk forms: some recent results, J. Phys.: Condens. Matter 19 (2007) 125213.
• Gonzalo Alvarez, Adriana Moreo, Elbio Dagotto, Complexity in high-temperature superconductors, Fizika Nizkikh Temperatur, 2006, v. 32, No. 4, p. 290.
• Gonzalo Alvarez, Adriana Moreo, Elbio Dagotto, Complexity in transition metal oxides, Proc. SPIE Vol. 5932, p. 49-63 (2005)
• Article in Physics World Magazine of the IOP (December 2004): [Superconductors go large]
• Proceedings of the International Conference on Magnetism, ICM, Rome 2003. G. Alvarez and E. Dagotto, "Clustered States as a New Paradigm of Condensed Matter Physics", cond-mat/0305628. In Journal of Magnetism and Magnetic Materials (Elsevier) 272-276, 15 (2004)
• Contribution to Chapter 7, Monte Carlo simulations and Application to Manganite Models of Nanoscale Phase Separation and Colossal Magnetoresistance by E. Dagotto. Springer-Verlag Berlin Heidelberg 2003.

• Invited talk at the Strongly Correlated Electron Workshop on Oxide Heterostructures, June 17-18, 2008.
• Poster Presentation (with T. Schulthess) at the NCCS User Meeting, Oak Ridge, TN, March 26-27, 2007.
• Invited talk at the 2006 workshop "Competing interactions and colossal responses in transition metal oxides", July 16-22, Telluride, Co. Program
• Invited talk at the 2006 March Meeting of the American Physical Society (APS) held in Baltimore, MD. [abstract at APS website]
• Invited talk at the University of Tennessee, Knoxville. South College Seminar Series, February 27, 2006.
• Invited talk at the Fall Creek Falls Conference Oct. 16-18, 2005.
• Invited talk at the Strongly correlated electrons miniprogram at the KITP of UCSB. Santa Barbara, CA, July 2005. [external link].
• Invited talk at the Second Coordination Meeting on Predictive Capabilities for Strongly Correlated Systems Nov 19-21, 2004. on Polynomial Expansion Method for Fermion Systems coupled to classical fields. More Info
• Invited Presentation at Condensed Matter II Class, Florida State University, March 23rd, 2004.
  
• Invited Talk,  Relevance of Clustered States in Diluted Magnetic Semiconductors and Other Materials, University of Maryland, March 3rd, 2004. Schedule
• Invited Speaker, Seminar, Rutgers University, February 26th, 2004. Schedule
• Invited Speaker, Workshop. UF/FSU Workshop on Condensed Matter, Gainesville, FL, April 26, 2003. Program (in PDF)

• March Meeting of the American Physical Society (APS), 2008, New Orleans, LA. Abstract: B10.00004: Possible Explanation of the Fermi Arcs in Cuprates, based on a clustered superconducting state above Tc.
• IBM Blue Gene Workshop, October 31, 2007, American Museum of Science and Energy in Oak Ridge.
• CNMS User Meeting 2006
• March Meeting of the American Physical Society (APS) 2005, Los Angeles, CA. U43.00010: Superconducting Clusters and Colossal Effects in Underdoped Cuprates
• Monte Carlo Methods for Classical and Quantum Spin Systems and Beyond, organized by " The Nanomaterials Theory Institute of the Center for Nanophase Materials Sciences at Oak Ridge National Laboratory". Oak Ridge, TN. August 4-8, 2003. Overview
• March Meeting 2003, Austin, TX.
  Section S24.004. Dynamical and transport properties of a spin-fermion model for Diluted Magnetic Semiconductors. Abstract.
• March Meeting 2002, Indianapolis, IN.,
  Section L19.003 Monte Carlo Study of Dilute Magnetic Semiconductors. Abstract

• Recipient of a Eugene P. Wigner Fellowship at the Oak Ridge National Laboratory.
• Recipient of an Outstanding Dissertation in Magnetism Award. Award granted by the Topical Group on Magnetism of the American Physical Society. Newsletter.

• Florida State University and The National High Magnetic Field Laboratory.
• PhD Dissertation Advisor: Elbio Dagotto.

• Computer languages: Fluent knowledge of C, C++ (including STL programming) and Perl.
• Parallel computing: MPI on different platforms(Cray XT3, IBM SP2, Linux clusters).
• Numerical algorithms: Monte Carlo, Lanczos Algorithm, Density-Matrix Renormalization Group.
• Others: Unix system administration, XML.