Gian Giacomo Guerreschi



Dr. Gian Giacomo Guerreschi

Postdoctoral Researcher
Department of Chemistry and Chemical Biology
Harvard University

Office (temporary): Mallinckrodt, M-105

Office phone: (617) 496-4858
Mobile phone: (617) 821-6557
E-mail: guerreschi [at] fas.harvard.edu
Address: 12 Oxford Street, Cambridge, MA 02138

Education
Ph.D. in Theoretical Physics, Universität Innsbruck and IQOQI (Austria), December 2012
Advisor: Prof. Hans J. Briegel
Title: Quantum and classical dynamics in biologically inspired systems

M. Sc. in Theoretical Physics, Università degli Studi di Trieste (Italy), September 2008
Advisor: Dr. Fabio Benatti
Title: Quantum measurements in Bose-Einstein condensates

B. Sc. in Physics, Università degli Studi di Trieste (Italy), September 2006
Advisor: Dr. Giuseppe Della Ricca
Title: The electromagnetic calorimeter of CMS: a comparison between experimental data and Monte Carlo simulations

Research Interests
  • Linear optics quantum computation
  • Boson sampling and applications
  • Adiabatic quantum computation
  • Radical pair reactions and avian compass
  • Light-matter interaction
  • Open quantum system dynamics
Publications
  1. Faster than classical quantum algorithm for dense formulas of exact satisfiability and occupation problems
    S. Mandrà, G. G. Guerreschi, & A. Aspuru-Guzik
    arXiv:1512.00859 (2015)
  2. Microwave boson sampling
    J. Huh, G. G. Guerreschi, B. Peropadre, J. R. McClean, & A. Aspuru-Guzik
    arXiv:1510.08064 (2015)
  3. Boson sampling for molecular vibronic spectra
    J. Huh, G. G. Guerreschi, B. Peropadre, J. R. McClean, & A. Aspuru-Guzik
    Nature Photonics 9, 615–620 (2015)
  4. Adiabatic quantum optimization in the presence of discrete noise: Reducing the problem dimensionality
    S. Mandrà*, G. G. Guerreschi*, & A. Aspuru-Guzik
    arXiv:1407.8183 (2014), accepted in PRA (2015)
  5. Multiple re-encounter approach to radical pair reactions and the role of nonlinear master equations
    J. Clausen, G. G. Guerreschi, M. Tiersch, & H. J. Briegel
    J. Chem. Phys. 141, 054107 (2014)
  6. Approaches to measuring entanglement in chemical magnetometers
    M. Tiersch, G. G. Guerreschi, J. Clausen, & H. J. Briegel
    J. Phys. Chem. A 118, 13 (2014)
  7. Optical switching of radical pair conformation enhances magnetic sensitivity
    G. G. Guerreschi, M. Tiersch, U. E. Steiner, & H. J. Briegel
    Chem. Phys. Lett. 572, 106 (2013)
  8. Persistent dynamic entanglement from classical motion: How bio-molecular machines can generate non-trivial quantum states
    G. G. Guerreschi, J.-M. Cai, S. Popescu, & H. J. Briegel
    New J. Phys. 14, 053043 (2012)
  9. Quantum control and entanglement in a chemical compass
    J.-M. Cai, G. G. Guerreschi, & H. J. Briegel
    Physical Review Letters 104, 220502 (2010)
  10. Motional effects on the efficiency of excitation transfer
    A. Asadian, M. Tiersch, G. G. Guerreschi, J.-M. Cai, S. Popescu, & H. J. Briegel
    New J. Phys. 12, 075019 (2010)
  11. Quantum measures for density correlations in optical lattices
    F. Benatti, R. Floreanini, & G. G. Guerreschi
    Physics Letters A 373(39), 3516 (2009)
  12. Noise-induced interference fringes in trapped ultracold bosonic gases
    S. Anderloni, F. Benatti, R. Floreanini, & G. G. Guerreschi
    Phys. Rev. A 78, 052118 (2008)