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"Beautiful is what we see, more beautiful is what we know, most beautiful by far is what we don't." (Bl. Nicholas Steno)

I am convinced that science advances when experiment and theory work in tandem. As such, I enjoy working on problems that are experimentally relevant or solving puzzles proposed by experimental findings. Nowadays, with the advent of quantum simulators such as cold-atom systems, intriguing condensed matter problems can be revisited from a fresh angle with new probes, and otherwise-inaccessible regimes of quantum physics (e.g. quantum dynamics) can be explored in a natural way.

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My research interests are in these areas of strongly-correlated quantum matter and quantum many-body theory, broadly speaking, with an eye towards their experimental exploration. This includes studying frustrated and quantum magnetism, Fermi-Hubbard physics, quantum dynamics at zero and finite temperatures, and quantum transport -- usually using tensor network techniques, but always with a particular flair for numerical approaches in general.

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For a full list of publications and research activity, see my Google Scholar profile.

Publications

D. Pereira and E. J. Mueller, Dynamics of spin helices in the diluted one-dimensional XX model, Phys. Rev. A 110, 023313 (2024).

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​D. Lozano-Gómez*, D. Pereira*, and M. J. P. Gingras, Unsupervised machine learning of quenched gauge symmetries: A proof-of-concept demonstration, Phys. Rev. Research 4, 043118 (2022).

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D. Pereira and E. J. Mueller, Dynamics of spin helices in the one-dimensional XX model, Phys. Rev. A 106, 043306 (2022). 

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D. R. Yahne, D. Pereira, L. D. C. Jaubert, et al., Understanding Reentrance in Frustrated Magnets: the Case of the Er2Sn2O7 Pyrochlore, Phys. Rev. Lett. 127, 277206 (2021).

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P. P. Stavropoulos, D. Pereira, and H.-Y. Kee, Microscopic Mechanism for Higher-Spin Kitaev Model, Phys. Rev. Lett. 123, 037203 (2019).

Presentations

  • "The Effect of Immobile Holes on Spin Helix Dynamics in the 1D XX Model" (Poster), Gordon Research Conference on Quantum Science (Easton, MA; 2024)

  • "Spin-1 Magnetism in Nickel Dihalide Systems" (Oral), Canadian Undergraduate Physics Conference (Ottawa, ON; 2017)

Related Activities

  • ​Participant, Gordon Research Conference on Quantum Science (Easton, MA; 2024)

  • Participant, CIFAR Quantum Materials Summer School (Vancouver, BC; 2019)

  • Participant, CIFAR Quantum Materials Summer School (Montreal, QC; 2018)

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