Dr. Rafael Chaves
Rafael Chaves
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Research Interests
- Quantum information and computation, open systems and decoherence, entanglement theory, nonlocality and foundational aspects of quantum mechanics, quantum metrology, quantum optics, machine learning, Bayesian networks and causal models.
CV
A detailed CV can be found here.
Teaching
- Experimental Physics III (Electrodynamics). Summer semester 2015.
- Theoretical Physics V (Statistical mechanics). Winter semester 2014.
- The Mathematical Structure of Quantum Mechanics. Summer semester 2014.
- Interpretations of Quantum Mechanics (Term Paper). Summer semester 2014.
- Theoretical Physics III (Electrodynamics). Winter semester 2013.
- Entropy (Term Paper). Summer semester 2013.
- Experimental Physics III (Electrodynamics). Summer semester 2013.
- Path Integrals in Quantum and Statistical Physics. Winter semester 2012.
List of publications
Most of my papers are available in arXiv (link) and in Google Scholar (link)
Preprints
- M. Ringbauer, C. Giarmatzi, R. Chaves, F. Costa, A. G. White, A. Fedrizzi,Experimental Test of Nonlocal Causality, arXiv:1602.02767 (2016).
- D. Janzing, R. Chaves, B. Schölkopf, Algorithmic independence of initial condition and dynamical law in thermodynamics and causal inference, arxiv.org/abs/1512.02057 (2015).
Peer-Reviewed Journals
- R. Chaves, C.Budroni, Entropic nonsignalling correlations, Phys. Rev. Lett. 116, 240501 (2016).
- R. Chaves, Polynomial Bell Inequalities, Phys. Rev. Lett. 116, 010402 (2016).
- R. Chaves, J. B. Brask, N. Brunner, Device-Independent Tests of Entropy, Phys. Rev. Lett. 115, 110501 (2015).
- J. B. Brask, R. Chaves, J. Kolodynski, Improved quantum magnetometry beyond the standard quantum limit, Phys. Rev. X 5, 031010 (2015).
- R. Chaves, R. Kueng, J. B. Brask, D. Gross, A unifying framework for relaxations of the causal assumptions in Bell's theorem, Phys. Rev. Lett. 114, 140403 (2015) .
- R. Chaves, C. Majenz, D. Gross. Information-Theoretic Implications of Quantum Causal Structures, Nature Communications 6, 5766 (2015).
- R. Chaves, L. Luft, T. O. Maciel, D. Gross, D. Janzing, B. Schölkopf, Inferring latent structures via information inequalities, Proceedings of the 30th Conference on Uncertainty in Artificial Intelligence (UAI 2014), pp. 112 - 121, AUAI Press (arXiv)
- G. H. Aguilar, T. Kolb, D. Cavalcanti, L. Aolita, R. Chaves, S. P. Walborn, P. H. Souto Ribeiro, Linear-optical simulation of the adiabatic cooling of a cluster -state Hamiltonian system, Phys. Rev. Lett. 112, 160501 (Editor's suggestion) (2014).
- R. Chaves, A. Acín, L. Aolita, D. Cavalcanti, Detecting nonlocality of noisy multipartite states with the CHSH inequality, Phys. Rev. A. 89, 042106 (2014).
- R. Chaves, L. Luft, D. Gross, Causal structures from entropic information: Geometry and novel scenarios, New J. Phys 16, 043001 (2014).
- R. Gallego. L. E. Würflinger, R. Chaves, A. Acín, M. Navascués, Nonlocality in sequential correlation scenarios, New J. Phys. 16, 033037 (2014).
- B. Sainz, T. Fritz, R. Augusiak, J. B. Brask, R. Chaves, A. Leverrier, A, Acin, Exploring the local orthogonality principle, Phys. Rev. A 89, 032117 (2014).
- R. Chaves, J. B. Brask, M. Markiewicz, J. Kolodynski, A. Acin, Noisy metrology beyond the standard quantum limit, Phys. Rev. Lett. 111, 120401 (2013).
- T. Fritz, B. Sainz, R. Augusiak, J. B. Brask, R. Chaves, A. Leverrier, A, Acin, Local orthogonality: a multipartite principle for correlations, Nat. Comm. 4, 3263 (2013).
- J. B. Brask, R. Chaves, N. Brunner, Testing nonlocality of single-photon entanglement without a shared reference frame, Phys. Rev. A. 88, 012111 (2013).
- R. Chaves, Entropic inequalities as a necessary and sufficient condition to noncontextuality and locality, Phys. Rev. A. 87, 022102 (2013).
- T. Fritz, R. Chaves, Entropic Inequalities and Marginal Problems, IEEE Trans. Inf. Th. 59, 803 (2013).
- J. B. Brask, R. Chaves, Robust nonlocality tests with displacements-based measurements, Phys. Rev. A. 86, 010106(R) (2012).
- R. Chaves, L. Aolita, A. Acin, Robust Macroscopic quantum correlations without complex encodings, Phys. Rev. A. 86, 020301(R) (2012).
- R. Chaves, L. Aolita, D. Cavalcanti, A. Acin, Multipartite nonlocality under local decoherence, Phys. Rev. A. 86, 012108 (2012).
- G. D. L. S. Lima, R. Chaves, S. A. Dias, Gauge anomaly canvellation in chiral gauge theories, Annals of Physics 327, 1435 (2012).
- M. F. Santos, M. T. Cunha, R. Chaves, A. R. R. Carvalho, Quantum computing with incoherent resources and quantum jumps, Phys. Rev. Lett. 108, 170501 (2012).
- R. Chaves, T. Fritz, An entropic approach to local realism and noncontextuality, Phys. Rev. A 85, 032113 (2012).
- R. Chaves, J. B. Brask, Feasibility of loophole-free nonlocality tests with a single photon, Phys. Rev. A. 84, 062110 (2011).
- R. Chaves, F. de Melo, Noisy one-way quantum computations: The role of correlations, Phys. Rev. A. 84, 022324 (2011).
- R. Chaves, L. Davidovich, Robustness of entanglement as a resource, Phys. Rev. A. 82, 052308 (2010).
- L. Aolita, D. Cavalcanti, R. Chaves, C. Dhara, L. Davidovich, A. Acin, Noisy entanglement evolution of graph states, Phys. Rev. A. 82, 032317 (2010).
- D. Cavalcanti, R. Chaves, L. Aolita, L. Davidovich, A. Acin, Open-system dynamics of graph-state entanglement, Phys. Rev. Lett. 103, 030502 (2009).
- L. Aolita, R. Chaves, D. Cavalcanti, A. Acin, L. Davidovich, Scaling laws for the decay of multiqubit entanglement, Phys. Rev. Lett. 100, 080501.(2008).
Conference Proocedings
- R. Chaves and S. A. Dias, Anomalies cancellation in Abelian gauge theories: Functional Approach. In Proceedings of XXVI Encontro Nacional de Particulas e Campos (2005). Available at www.sbf1.sbfisica.org.br/eventos/enfpc/xxvi/sys/resumos/T0169-1.pdf