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About me
About me
I am Research Software Engineer at Princeton University, working primarily with the Department of Geosciences. Previously, I was a postdoctoral research fellow with the Network for Neutrinos, Nuclear Astrophysics, and Symmetries (N3AS), based in UC Berkeley and was a visiting scholar at the Princeton Gravity Initiative and Penn State. I completed my Ph.D. in Physics at the University of Arizona. I work within the field of numerical relativity , where we use advanced computing methods to solve Einstein's equations numerically. My research focuses on systems involving compact stars (usually neutron stars or hybrid stars). I completed a B. Sc. in Physics at Fordham University. In the past I have also done research in lattice QCD and particle dark matter, and those topics still hold a place in my heart!
For more detail on my academic work, please see my CV.
Above: Visiting Dr. Einstein in Los Angeles
Publications
Publications
Pedro Luis Espino, David Radice, Francesco Zappa, Rossella Gamba, Sebastiano Bernuzzi, Impact of moment-based, energy integrated neutrino transport on microphysics and ejecta in binary neutron star mergers, Phys.Rev.D 109 (2024) 10, 103027, arxiv:2311.12923
Pedro Luis Espino, Peter Hammond, David Radice, Sebastiano Bernuzzi, Rossella Gamba, Francesco Zappa, Luis Felipe Longo Micchi, Albino Perego, Neutrino trapping and out-of-equilibrium effects in binary neutron star merger remnants, Phys.Rev.Lett. 132 (2024), arxiv:2311.00031
Pedro Luis Espino, Aviral Prakash, David Radice, Domenico Logoteta, Revealing Phase Transition in Dense Matter with Gravitational Wave Spectroscopy of Binary Neutron Star Mergers, Phys.Rev.D 109 (2024) 12, 123009 arxiv:2301.03619
Pedro L. Espino, Gabriele Bozzola, Vasileios Paschalidis, Quantifying uncertainties in general relativistic magnetohydrodynamic codes, Phys.Rev.D 107 (2023) 10, 104059 arxiv:2210.13481
Carolyn Raithel, Pedro L. Espino, Vasileios Paschalidis, Finite-temperature effects in dynamical-spacetime binary neutron star merger simulations: Validation of the parametric approach, Mon. Not. Roy. Astr. Soc., Volume 516, Issue 4, November 2022, arxiv:2206.14838
Pedro L. Espino, Vasileios Paschalidis, Fate of twin stars on the unstable branch: Implications for the formation of twin stars, Phys.Rev.D 105 (2022) 4, 043014, arxiv:2105.05269
Pedro L. Espino, Vasileios Paschalidis, Thomas Baumgarte, Stuart L. Shapiro, Dynamical stability of quasitoroidal differentially rotating neutron stars, Phys.Rev.D 100 (2019) 4, 043014, arxiv:1906.08786
Gabriele Bozzola, Pedro L. Espino, Collin Lewin, Vasileios Paschalidis Maximum mass and universal relations of rotating relativistic hybrid hadron-quark stars, Eur.Phys.J.A 55 (2019) 9, 149, arxiv:1905.00028
Pedro L. Espino, Vasileios Paschalidis, Revisiting the maximum mass of differentially rotating neutron stars in general relativity with realistic equations of state, Phys.Rev.D 99 (2019) 8, 083017, arxiv:1901.05479
Movies
Movies
One of the cool things about numerical relativity are the visualizations. See below for dynamic representations of my work!
Above: A magnetized binary neutron star in the last few milliseconds before merger. The left-most panel shows a 3D view of the merger (the yellow blobs represent the stars and the white lines the magnetic field lines. The upper right panels show the density and temperature in the merger as seen from the top down. The lower right panel shows the maximum magnetic field strength in each component, as a function of time in the simulation. These simulations were run using our open source version of the IllinoisGRMHD code.
Above: A quasi-toroidal neutron star undergoing a strong bar-mode instability. The top right panel depicts the density modes. The middle right panel depicts the gravitational radiation. The lowest panel depicts the maximum rest mass density. See Phys.Rev.D 100 (2019) 4, 043014 for details.
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