Articles

|2016|2015|2014|2013|2012|2011|2010|2009|2008|2007|2006|2005|2004|2003|

2016

2015

2014

  • Negativity witness for the quantum ergodic conjecture
    Alfredo M. Ozorio de Almeida
    [arXiv:1403.2261]
  • A geometric wave function for a few interacting bosons in a harmonic trap
    B. Wilson, A. Foerster, C.C.N. Kuhn, I. Roditi, D. Rubeni
    Physics Letters A 378,1065, 2014
  • Virial coefficients for trapped Bose and Fermi gases beyond the unitary limit: An S-matrix approach
    Edgar Marcelino, André Nicolai, Itzhak Roditi, and André LeClair
    Phys. Rev. A 90, 053619, 2014
  • Experimental Reconstruction of Work Distribution and Study of Fluctuation Relations in a Closed Quantum System
    T.B. Batalhão, A. M. Souza, L. Mazzola, R .Auccaise, R.S. Sarthour, I.S. Oliveira, J. Goold. G. De Chiara, M. Paternostro, R. M. Serra.
    Phys. Rev. Lett. 113, 140601 (2014)
  • Protected Quantum Computing: Interleaving Gate Operations with Dynamical Decoupling Sequences
    J. Zhang , A. M. Souza, F. D. Brandão, D. Suter
    Phys. Rev. Lett. 112, 050502 (2014)
  • Quantum Discord Determines the Interferometric Power of Quantum States
    D. Girolami, A. M. Souza, V. Giovanetti, T. Tufarelli, J. Filgueiras, R. S. Sarthour, D.O. Soares-Pinto, I. S. Oliveira, G. Adesso.
    Phys. Rev. Lett. 112, 210401 (2014)
  • Quantum state tomography for strongly coupled nuclear spin systems.
    F. A. Vind, A. M. Souza, R. S. Sarthour, I. S. Oliveira
    Phys. Rev. A. 90, 062339 (2014)

2013

  •  Observation of Environment-Induced Double Sudden Transitions in Geometric Quantum Correlations                                                                                                      F. M. Paula, I. A. Silva,  J. D. Montealegre,  A. M. Souza,  E. R. deAzevedo,  R. S. Sarthour,  A. Saguia, I. S. Oliveira, D. O. Soares-Pinto,  G. Adesso, and M. S. Sarandy                                                                                                                            Phys. Rev. Lett. 111, 250401 (2013)
  • Quantum Discord in Nuclear Magnetic Resonance Systems at Room Temperature  J. Maziero, R. Auccaise, L.C. Céleri, D.O. Soares-Pinto, E.R. de Azevedo, T.J. Bonagamba, R.S. Sarthour, I. S. Oliveira, R.M.  Serra                                                Braz. J. Phys. 1, 1 (2013) 
  •  Measuring Bipartite Quantum Correlations of an Unknown State                                  I.A. Silva, D. Girolami, R. Auccaise, R.S. Sarthour, I. S. Oliveira,  T.J. Bonagamba, E.R. de Azevedo, D.O. Soares-Pinto, G. Adesso                                      Phys. Rev. Lett. 110, 140501 (2013)
  •  Quantum delayed-choice experiment in an environment with arbitrary white noise       J.G. Filgueiras, R.S. Sarthour, A.M. Souza, I. S. Oliveira, R.M.  Serra, L.C. Céleri        J. Phys. A: Math. Theor. 46, 245301 (2013)
  • The Power of Noisy Fermionic Quantum Computation
    F. de Melo, P. Cwiklinski, B. M. Terhal
    New Journal of Physics 15, 013015 (2013)   [arXiv:1208.5334]
  • A bosonic multi-state two-well model
    Santos G.; Foerster A.; Roditi I.
    J. PHYS. A: Math. Theor. 46, 265206 (2013)
  • Entanglement of identical particles and the detection process
    M. C. Tichy, F. de Melo, M. Kuś, F. Mintert, and A. Buchleitner
    Fortschritte der Physik 61, 225 (2013) [arXiv:0902.1684]
  • Classical bifurcation in a quadrupolar NMR system
    Araujo-Ferreira, A. G.; Auccaise, R.; Sarthour, R. S.; Oliveira, I. S.;Bonagamba, T. J.; Roditi, I.
    PHYSICAL REVIEW A 87, 053605 (2013)
  • Universality in open system entanglement dynamics
    M. Tiersch, F. de Melo, and A. Buchleitner
    Journal of Physics A: Mathematical and Theoretical 46, 085301 (2013) [arXiv:0810.2506]

2012

  • Spontaneous symmetry restoration in a field theory at finite chemical potential in a toroidal topology
    Linhares, C. A.; Malbouisson, A. P. C.; Malbouisson, J. M. C.; Roditi, I.
    PHYSICAL REVIEW D 86, 105022 (2012)
  • Matrices of fidelities for ensembles of quantum states and the Holevo quantity
    M. Fannes, F. de Melo, W. Roga, and K. Zyczkowski
    Quantum Information and Computation 12, 0472 (2012)   [arXiv:1104.2271]
  • Two interacting fermions in a one-dimensional harmonic trap: Matching the Bethe ansatz and variational approaches
    Rubeni, D.; Foerster, A.; Roditi, I.
    PHYSICAL REVIEW A 86, 043619 (2012)
  • Optimal teleportation with a noisy source
    B. G. Taketani, F. de Melo, and R. L. de Matos Filho
    Physical Review A (Rapid Communications) 85, 020301 (2012)   [arXiv:1102.1737]
  • Quantum Bose and Fermi gases with large negative scattering length in the two-body S-matrix approximation
    LeClair, Andre; Marcelino, Edgar; Nicolai, Andre; Roditi, I.
    PHYSICAL REVIEW A 86, 023603 (2012)
  • First-order phase transition for a field theory at finite chemical potential in a toroidal topology
    Linhares, C. A.; Malbouisson, A. P. C.; Roditi, I.
    EPL 98, 41001 (2012)
  • Quantum phase transitions in Bose-Einstein condensates from a Bethe ansatz perspective
    Rubeni, D.; Foerster, A.; Mattei, E.; Roditi I.
    NUCLEAR PHYSICS B 856, 698 (2012)
  •  Experimental analysis of the quantum complementarity principle                                  R. Auccaise, R.S. Sarthour, R. Serra, L. C. Céleri, J. Filgueiras, I.S. Oliveira              PHYSICAL REVIEW A 85, 032121 (2012)
  • Quantum information processing by nuclear magnetic resonance on quadrupolar nuclei                                                                                                                               J. Teles, E.R. deAzevedo, J.C.C. Freitas, R.S. Sarthour, I.S. Oliveira, T.J. Bonagamba                                                                                                            Philosophical Transactions – Royal Society: Mathematical, Physical and Engineering Sciences. 370, 4770 (2012)
  •  Effects of time-reversal symmetry in dynamical decoupling.                                        A.M. Souza, G. Álvarez, D. Suter                                                                                    PHYSICAL REVIEW A 85, 032306 (2012)
  • Iterative rotation scheme for robust dynamical decoupling.                                          A.M. Souza, G. Álvarez, D. Suter                                                                                   PHYSICAL REVIEW A 85, 052324 (2012)
  •  Robust dynamical decoupling.                                                                                  A.M. Souza, G. Álvarez, D. Suter                                                                                   Philosophical Transactions – Royal Society: Mathematical, Physical and Engineering Sciences. 370, 4748 (2012)
  •  Experimental protection of quantum gates against decoherence and control errors    A.M. Souza, G. Álvarez, D. Suter                                                                                  PHYSICAL REVIEW A 86, 050301 (2012)

2011:

  • Noisy One-Way Quantum Computations: The Role of Correlations
    R. Chaves, and F. de Melo
    Physical Review A 84, 022324 (2011)   [arXiv:1007.2165]
  • Efficient and coherent excitation transfer across disordered molecular networks
    T. Scholak, F. de Melo, T. Wellens, F. Mintert, and A. Buchleitner
    Physical Review E 83, 021912 (2011)  [arXiv:0912.3560]
  •  A scattering quantum circuit for measuring Bell’s time inequality: a nuclear magnetic resonance demonstration using maximally mixed states                                               A.M. Souza, R.S. Sarthour, I.S. Oliveira                                                                         New Journal of Physics 13, 053023 (2011)
  •  Environment-Induced Sudden Transition in Quantum Discord Dynamics                    R. Auccaise, L.C. Céleri, D.O. Soares-Pintp, E. R. deAzevedo, J. Maziero, A.M. Souza, T. J. Bonagamba, R. S. Sarthour, I.S. Oliveira, R. M. Serra                               Phys. Rev. Lett. 107, 140403 (2011)
  • Experimentally Witnessing the Quantumness of Correlations                                       R. Auccaise, J. Maziero, L.C. Céleri, D.O. Soares-Pintp, E. R. deAzevedo, T. J. Bonagamba, R. S. Sarthour, I.S. Oliveira, R. M. Serra                                                   Phys. Rev. Lett. 107, 070501 (2011)
  • Writting  electronic ferromagnetic states in a high temperature paramagnetic nuclear spin system                                                                                                                     D.O. Soares-Pinto, I.S. Oliveira, T.J. Bonagamba, E.R. deAzevedo, M.S. Reis, J. Teles, A.M. Souza, R.S. Sarthour                                                                                    Int. J. Quant. Inf.  09, 1047 (2011)
  • Robust Dynamical Decoupling for Quantum Computing and Quantum Memory.         A.M. Souza, G. Álvarez, D. Suter                                                                                   Phys. Rev. Lett. 106, 240501 (2011)
  • Experimental magic state distillation for fault-tolerant quantum computing.                  A.M. Souza, J. Zhang, C. A. Ryan, R. Laflamme                                                            Nature Communications. 2, 169 (2011)

2010:

2009:

  • Equation of motion for entanglement
    M. Tiersch, F. de Melo, T. Konrad, and A. Buchleitner
    Quantum Information Processing, 8, 523 (2009) [arXiv:0909.3317]
  • Detection and typicality of bound entangled states
    J. Bae, M. Tiersch, S. Sauer, F. de Melo, F. Mintert, B. Hiesmayr, and A. Buchleitner
    Physical Review A 80, 022317 (2009) [arXiv:0902.4372]
  • Scalability of GHZ and random-state entanglement in the presence of decoherence
    L. Aolita, D. Cavalcanti, A. Acín, A. Salles, M. Tiersch, A. Buchleitner, and F. de Melo
    Physical Review A,79, 032322 (2009) [arXiv:0812.4203]
  •  Entanglement and Bell s inequality violation above room temperature in metal carboxylates                                                                                                                      A.M. Souza, D.O. Soares-Pinto, R.S. Sarthour, I. S. Oliveira, M.S. Reis, P. Brandão, A.M. dos Santos                                                                                                               Physical Review B,79, 054408 (2009)
  • NMR quadrupolar system described as Bose Einstein-condensate-like system.         R. Auccaise, J. Teles, R.S. Sarthour, E.R. deAzevedo, T.J. Bonagamba, I.S. Oliveira J. Chem. Phys. 130, 144501 (2009)
  • Entanglement temperature in molecular magnets composed of S-spin dimers.          D.O. Soares-Pinto, A.M. Souza, R.S. Sarthour, I. S. Oliveira, M.S. Reis, P. Brandão, J. Rocha,  A.M. dos Santos                                                                                             Europhysics Letters. 87, 40008 (2009)
  •  Normalization procedure for relaxation studies in NMR quantum information processing.                                                                                                                     A. Gavini-Viana, A.M. Souza, D.O. Soares-Pinto, J. Teles, R.S. Sarthour, E.R. deAzevedo, T.J. Bonagamba, I.S. Oliveira                                                                     Quantum Information Processing, 9, 575 (2009)

2008:

    • Entanglement evolution in finite dimensions
      M. Tiersch, F. de Melo, and A. Buchleitner
      Physical Review Letters 101, 170502 (2008) [arXiv:0804.0208]
    • Experimental investigation of the dynamics of entanglement: Sudden death, complementarity, and continuous monitoring of the environment
      A. Salles, F. de Melo, M. P. Almeida, M. Hor-Meyll, S. P. Walborn, P. H. Souto Ribeiro, and L. Davidovich
      Physical Review A 78, 022322 (2008) [arXiv:0804.4556]
    • A factorization law for entanglement decay
      T. Konrad, F. de Melo, M. Tiersch, C. Kasztelan, A. Aragão, and A. Buchleitner
      Nature Physics 4, 99(2008) [arXiv:0708.0180]
    •  A study of the relaxation dynamics in a quadrupolar NMR system using Quantum State Tomography                                                                                 R. Auccase, R.S. Sarthour, E.R. deAzevedo, T.J. Bonagamba, I.S. Oliveira        Journal of Magnetic Resonance  192, 17 (2008)
    •  Experimental determination of thermal entanglement in spin clusters using magnetic susceptibility measurements.                                                               A.M. Souza, D.O. Soares-Pinto, R.S. Sarthour, I. S. Oliveira, M.S. Reis             Physical Review B,77, 104402 (2008)
    • NMR analog of Bell’s inequalities violation test.                                                     A.M. Souza, A. Magalhães, J. Teles, R.S. Sarthour, E.R. deAzevedo, T.J. Bonagamba, I.S. Oliveira                                                                                    New J.  Phys.  10, 033020 (2008)

2007:

    • Quantum nondemolition circuit for testing bipartite complementarity
      F. de Melo, S. P. Walborn, János Bergou, and L. Davidovich
      Physical Review Letters 98, 250501 (2007) [quant-ph/0702079]
    • Experimental observation of environment-induced sudden death of entanglement
      M. P. Almeida, F. de Melo, M. Hor-Meyll, A. Salles, S. P. Walborn,
      P. H. Souto Ribeiro, and L. Davidovich
      Proceedings SPIE 6603, 660318 (2007)
    • Environment-induced Sudden Death of Entanglement
      M. P. Almeida, F. de Melo, M. Hor-Meyll, A. Salles, S. P. Walborn,
      P. H. Souto Ribeiro, and L. Davidovich
      Science 316, 579 (2007)
    •  Quantum state tomography for quadrupolar nuclei using global rotaions of the spin system                                                                                                           J. Teles, R. Auccaise,  R.S. Sarthour, E.R. deAzevedo, T.J. Bonagamba, I.S. Oliveira                                                                                                                   J. Chem. Phys. 126, 154506 (2007)

2006:

2005:

  •  Quantum Information Processing through Nuclear Magnetic Resonance.
    J. Bulnes, F.A. Bonk, R.S. Sarthour, T.J. Bonagamba, E.R. deAzevedo, J.C.C. Freitas I.S. Oliveira                                                                                                        Braz. J. Phys., v. 35, p. 617, 2005.
  • Quantum Logical Operation for Spin 3/2 quadrupolar nuclei Monitored by Quantum State Tomography                                                                                                           F.A. Bonk,  E.R. deAzevedo, R.S. Sarthour, J. Bulnes, A. P. Guimarães, J.C.C. Freitas I.S. Oliveira ,T.J. Bonagamba                                                                             J. Magn. Reson. 175, 226, 2005.

2004:

  • Quantum-state tomography for quadrupole nuclei and its application on a two-qubit system.                                                                                                                       F.A. Bonk,  R.S. Sarthour,, E.R. deAzevedo,  J. Bulnes, G.L. Mantovani, A. P. Guimarães, J.C.C. Freitas I.S. Oliveira ,T.J. Bonagamba                                               Phys. Rev. A. 69, 042322, 2004.

2003:

  •  Relaxation of coherent states in a two-qubit NMR quadrupole system.                     R.S. Sarthour, E.R. deAzevedo, F. A. Bonk, E.L.G. Vidoto, T.J. Bonagamba,  A. P. Guimarães, J.C.C. Freitas I.S. Oliveira                                                                        Phys. Rev. A . 68, 022311, 2003. 

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