Dr. Alejandro Bermudez


Contact Information

E-mail: bermudez.carballo[at]gmail.com 

Current Position

Postdoctoral researcher in the Quantum Information and Foundations Group (QUINFOG) , Madrid (new homepage).

Research Interests

  • Quantum Optics and Quantum Many-Body Systems.
  • Quantum Simulations of Condensed-Matter and High-Energy Physics.
  • Trapped Ions, Ultracold Atoms, and NV centers.

Recent Publications

  1. Title: Dissipation-Assisted Quantum Infromation Processing with Trapped Ions,
    Authors: A. Bermudez, T. Schaetz, and M. B. Plenio,
    Article: Phys. Rev Lett. 110, 110502 (2013).
  2. Title: Quantum Magnetism of Spin-Ladder Compounds with Trapped-Ion Crystals,
    Authors: A. Bermudez, J. Almeida, K. Ott, H. Kaufmann, S. Ulm, U. Poschinger, F. Schmidt-Kaler, A. Retzker, and M. B. Plenio,
    Article: New J. Phys. 14, 093042 (2012).
  3. Title: Spin-Peierls Quantum Phase Transitions in Coulomb Crystals,
    Authors: A. Bermudez, and M. B. Plenio,
    Article: Phys. Rev. Lett. 109,010501 (2012).


  4. Title: Robust Trapped-Ion Quantum Logic Gates by Microwave Dynamical Decoupling,
    Authors: A. Bermudez, P. O. Schmidt, M. B. Plenio, and A. Retzker,
    Article: Phys. Rev. A 85,040302(R) (2012).

     (see also “Demonstration of a dressed-state phase gate for trapped ions” by T. R. Tan, et al.)

  5. Title: Frustrated Quantum Spin Models with Cold Coulomb Crystals,
    Authors: A. Bermudez, J. Almeida, F. Schmidt-Kaler, A. Retzker, and M. B. Plenio,
    Article: Phys. Rev. Lett. 107, 207209 (2011).
  6. Title: Electron-Mediated Nuclear-Spin Interactions Between Distant NV Centers,
    Authors: A. Bermudez, F. Jelezko, M. B. Plenio, and A. Retzker,
    Article: Phys. Rev. Lett. 107, 150503 (2011).

Other Selected Publications

  1. Title: Photon-Assisted-Tunneling Toolbox for Quantum Simulations in Ion Traps, 
    Authors: A. Bermudez, T. Schaetz, and D. Porras,
    Article: New J. Phys. 14, 05304 (2012).
  2. Title: Synthetic Gauge Fields for Vibrational Excitations of Trapped ions,
    Authors: A. Bermudez, T. Schaetz, and D. Porras,
    Article: Phys. Rev. Lett. 107, 150501 (2011).

  3. Title: Wilson Fermions and Axion Electrodynamics in Optical Lattices,
    Authors: A. Bermudez, L.Mazza, M. Rizzi, N. Goldman, M. Lewenstein, and M.A. Martin-Delgado,
    Article: Phys. Rev. Lett. 105, 190404 (2010).
  4. Title: Realistic Time-Reversal Invariant Topological Insulators With Neutral Atoms, 
    Authors: N. Goldman, I. Satija, P. Nikolic, A. Bermudez,  M.A. Martin-Delgado, M. Lewenstein, and I. B. Spielman, 
    Article: Phys. Rev. Lett. 105, 255302 (2010).
  5. Title: Non-Abelian optical lattices: Anomalous quantum Hall effect and Dirac Fermions,
    Authors: N.Goldman, A. Kubasiak, A. Bermudez, P. Gaspard, M. Lewenstein, and M. A. Martin-Delgado,
    Article: Phys. Rev. Lett. 103, 035301 (2009).
  6. Title: Topology-Induced Anomalous Defect Production by Crossing a Quantum Critical Point,
    Authors: A. Bermudez, D. Patane, L. Amico, and M. A. Martin-Delgado,
    Article: Phys. Rev. Lett. 102, 135702 (2009).
  7. Title: Dirac Cat States in Relativistic Landau Levels,
    Authors: A. Bermudez, M.A. Martin-Delgado, and E. Solano,
    Article: Phys. Rev. Lett. 99, 123602 (2007).


Slides of some seminars/conferences

 I have selected some talks that may give an overview of  my research interests (higher quality .pdf files upon request). 
  1. Title: Tailoring the emergence of many-body physics with trapped-ion crystals,
    Place:  SFB/TRR49 seminar, University of Mainz.
    Slides: talk_mainz  

  2. Title: Robust Quantum Gates by Continuous Dynamical Decoupling,
    Place:  QION12 contributed talk, Tel Aviv.
    Slides: talk_qion12

  3. Title: 2D-3D Topological Insultaors in Condensed Matter & High-Energy Physics ,
    Place:  seminar, IQOQI Innsbruck.
    Slides: talk_topo_insulators

  4. Title: Non-Abelian Optical Lattices: Dirac fermions and topological quantum phase transitions,
    Place:  GIQ Mini workshop invited talk, Barcelona.
    Slides: non_abelian_ol_talk_bcn 

  5. Title: Quantum Simulations of Condensed-Matter & Highh-Energy Systems with Trapped Ions and Ultracold Atoms,
    Place:  PhD Thesis defense, Madrid.
    Slides: talk_thesis  

  6. Title: A quantum optics perspective into relativistic quantum systems
    Place:  seminar, MPQ Garching.
    Slides: relativistic_talk