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Associate researchers

Juan Carlos Retamal Abarzúa

Phone(s): (56-2) 7181253 , (56-2) 7769596
Departamento de Física, Universidad de Santiago de Chile.
Avda. Ecuador 3493, Estación Central, Santiago, Chile.

Professional Degree

  • Licenciado en Ciencias con mención en Física, Universidad de Concepción, Chile.
  • Doctor en Física, Pontificia Universidad Católica de Chile, Chile.

Research Areas

  • Quantum optics.
  • Quantum Computing.
  • Laser Physics.

National and International Committees and Honors

  • Member of the Latin American Physics Centre (2006-present).
  • President of the Chilean Physics Society (2008-present).

Guieded Graduate Thesis (Since 2006)

  • Quantum Information and Collective Systems”. Carlos López, Universidad de Santiago de Chile, Santiago, Chile, 2007.
  • Dissapative Effects on Quantum Entanglement”. Freddy Lastra, Universidad de Santiago de Chile, Santiago, Chile, 2007.
  • Guillermo Romero, Universidad de Santiago de Chile, Santiago de Chile, Chile, actualmente en curso.


  • Marzo 2003-Marzo 2007, Investigador Responsable, Proyecto Fondecyt 1030189, “Physical resources for quantum computation”.

 Conferences (2006 to date)

  • Entanglement evolution of bipartite m n-dimensional systems, F. Lastra, G. Romero, C. E. López, M França Santos and J. C. Retamal, 2007, J.Phys.: Conf. Ser. 84 012011.
  • Concurrente in the inhomogeneous Tavis-Cummings model, C. E. López, F. Lastra, G. Romero and J. C. Retamal, 2007, J. Phys.: Conf. Ser. 84 012013.


  1. F.A. Cárdenas-López, G. Romero, L. Lamata, E. Solano, J.C. Retamal
    Parity-Assisted Generation of Nonclassical States of Light in Circuit Quantum Electrodynamics
    Symmetry 2019, 11(3), 372

  1. F.A. Cardenas-Lopez, L. Lamata, J.C. Retamal, E. Solano
    Multiqubit and multilevel quantum reinforcement learning with quantum technologies
    PLoS ONE 13(7): e0200455
  2. F. Lastra; C.E. Lopez; J.C. Retamal
    Metastable decoherence-free subspace and pointer states in mesoscopic quantum systems
    Phys. Rev. A 97, 042123
  3. G. Alvarado-Barrios, F.J. Peña, F. Albarrán-Arriagada, P. Vargas, J.C. Retamal
    Quantum Mechanical Engine for the Quantum Rabi Model
    Entropy 2018, 20(10), 767
  4. F. Albarrán-Arriagada, G. Alvarado Barrios, M. Sanz, G. Romero, L. Lamata, J.C. Retamal, E. Solano
    One-way quantum computing in superconducting circuits
    Phys. Rev. A 97, 032320
  5. F. Albarrán-Arriagada, L. Lamata, E. Solano, G. Romero, J.C. Retamal
    Spin-1 models in the ultrastrong-coupling regime of circuit QED
    Phys. Rev. A 97, 022306

  1. C.E. López, F. Albarrán-Arriagada, S. Allende, J.C. Retamal
    Generation of maximally correlated states of (d ⊗ d)-dimensional systems in the absence of entanglement
    EPL, 120 (2017) 10003
  2. G. Alvarado Barrios, F. Albarrán-Arriagada, F.A. Cárdenas-López, G. Romero, J.C. Retamal
    Role of quantum correlations in light-matter quantum heat engines
    Phys. Rev. A 96, 052119
  3. F. Cárdenas-López, F. Albarrán-Arriagada, G. Alvarado Barrios, J.C. Retamal, G. Romero
    Incoherent-mediator for quantum state transfer in the ultrastrong coupling regime
    Scientific Reportsvolume 7, Article number: 4157 (2017)
  4. F. Albarrán-Arriagada, G. Alvarado Barrios, F.A. Cárdenas-López, G. Romero, J.C. Retamal
    Generation of higher dimensional entangled states in quantum Rabi systems
    J. Phys. A: Math. Theor. 50 (2017) 184001 (14pp) | Published 30 March
  5. F.A. Cárdenas-López, S. Allende, J.C. Retamal
    Sudden Transition between Classical to Quantum Decoherence in bipartite correlated Qutrit Systems
    Scientific report 7, 44654 (2017) | Published 20 March

  1. S. Allende, D. Altbir, J.C. Retamal
    Simulated annealing and entanglement of formation for (n ⊗ m)-dimensional mixed states
    Phys. Rev. A 92, 022348; Published 24 Aug 2015

  1. S. Allende, J.C. Retamal, D. Altbir, J. D’Albuquerque e Castro
    Domain wall magnetoresistance in nanowires: Dependence on geometrical factors and material parameters
    Journal of Magnetism and Magnetic Materials 365 (2014) 197-200; Published April 2014

  1. L. Lamata, C. E. López, B. P. Lanyon, T. Bastin, J. C. Retamal, and E. Solano
    Deterministic generation of arbitrary symmetric states and entanglement classes
    Physical Review A 87, 32325

  1. C.E. López, G. Romero, and J.C. Retamal
    Dynamics of entanglement transfer through multipartite dissipative systems
    Phys. Rev. A. 81: 062114
  2. F. Lastra, G. Romero, C.E. López, N. Zagury, J.C. Retamal
    Entangled Coherent States Under Dissipation
    Optics Communications 283, 3825-3829
  3. J. Casanova, G. Romero, I. Lizuain, J. C. Retamal, C. F. Roos, J. G. Muga, E. Solano
    Short-time-interaction quantum measurement through an incoherent mediator
    Physical Review A 81, 62126

  1. F. Lastra, C.E. López, L. Roa, and J.C. Retamal
    Entanglement of formation for a family of (2⊗d)-dimensional systems
    Phys. Rev. A 85, 022320
  2. C.E. López, F. Lastra, G. Romero, E. Solano, and J.C. Retamal
    Multipartite entanglement generation assisted by coupling
    Phys. Rev. A 85, 032319

  1. L. Roa, J.C. Retamal, M. Alid-Vaccarezza
    Dissonance is Required for Assisted Optimal State Discrimination
    Physical Review Letters 107, 80401; Published 16 August 2011


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