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Hi!👋 I am Isidora Araya Day, a theoretical condensed matter physicist working on mesoscopic superconductivity, topology, and quantum transport.

📍 Currently I am a postdoc at DIPC in San Sebastián, Spain, working with Adolfo Grushin.

💻 I did my PhD in the Quantum Tinkerer group at TU Delft, The Netherlands, with Anton Akhmerov and Michael Wimmer.

I love working on problems that require combining analytics and numerics. One of my favorite projects so far was developing Pymablock, an open-source Python package to do quantum mechanical perturbation theory efficiently, numerically and symbolically.

📖 Documentation 💻 GitHub Repository

Check out my research page to learn more!

My journey so far

2015 → 2019

BSc. Physics

University of Chile

I completed my bachelor’s degree in physics at the University of Chile.

  • Took computer science courses on algorithms, data structures, discrete mathematics, and software.
  • Worked as a teaching assistant in several physics courses for first-year undergraduates and high-school students.
  • Participated in the faculty’s student council for a year.

2018

Experimental research internship

University of Waterloo

I visited the Institute for Quantum Computing (IQC) of the University of Waterloo for three months.

  • Participated at USEQIP, a quantum computing summer school.
  • Worked at an MBE lab using XPS and ARPES techniques to characterize 2D materials.

2019 → 2021

MSc. Applied Physics

TU Delft

I received a QuTech Scholarship to pursue a master’s at TU Delft, where I followed the Quantum Computing track.

  • Took courses on mesoscopic physics, quantum information, and quantum hardware.
  • Participated in the Northwestern European Regional Programming Contest as part of the TU Delft team.
  • Worked as a teaching assistant in solid state physics and quantum information courses.
  • My master’s thesis was on topological defects in crystalline topological insulators.

2021

Theory research internship

Max Planck Institute PKS

I spent a summer in Dresden working with the group of Ashley Cook on topological phases.

2021 → 2025

PhD. Condensed matter physics

TU Delft

I got a Casimir NanoFront grant to do my PhD in QuTech. During this time I had the opportunity to improve my coding skills, work collaboratively, and learn about open science practices ✨.

  • Worked on Andreev physics, topological invariants, and mesoscopic physics (see Research ☝️).
  • Developed an open-source Python package, Pymablock.
  • Worked as a teaching assistant of the solid state physics course.

2024

Research visit at an experimental lab

Cornell University

I visited and collaborated with Valla Fatemi’s group in Ithaca for a month.

  • Worked on a read-out scheme for Andreev spin qubits using inductive dispersive sensing.
  • Optimized time-dependent pulses for qubit control using the Krotov Python package.

I made this with Quarto and Github Copilot.

 
  • 📧 iarayaday@gmail.com