Theoretical Physics

Santiago González Salud

Undergraduate physics student at Benemérita Universidad Autónoma de Puebla (BUAP) working on quantum field theory, gravitation, and black-hole phenomenology — Lorentz-symmetry-breaking propagators, differential-geometric black-hole characterization, and megamaser systems.

Education

BSc in Physics — BUAP

Aug. 2023 – Present
  • Expected graduation: December 2026.
  • Cumulative GPA: 9.68 / 10.00 · 203 / 236 credits completed (86% of the degree programme).
  • Relevant grades: Quantum Mechanics 10/10, General Relativity 10/10, Particle Physics II 9/10, Electrodynamics 10/10, Theoretical Mechanics 10/10.
  • Upcoming coursework: Statistical Mechanics, Introduction to Photonics, Selected Topics of Quantum Mechanics and of Mathematical Physics.

Publications & Manuscripts

Published / Accepted

  • Prescribing natural trajectories from scale factors

    S. González-Salud, G. Silva-Ortigoza

    American Journal of Physics · accepted for publication, forthcoming

  • Classical orbits in an inverse-square cylindrical potential: closed-form analysis and applications

    S. González-Salud, G. Silva-Ortigoza

    European Journal of Physics 47 (2026), 025002 · doi: 10.1088/1361-6404/ae41f7

  • The propagator field theory revisited: a Lorentz symmetry breaking approach

    R. Cartas-Fuentevilla, S. González-Salud, R. Bárcena-Ramos, O.J. Berra-Montiel

    Annals of Physics 479 (2025), 170075 · doi: 10.1016/j.aop.2025.170075

Submitted / Under Review

  • A differential-geometry approach to black hole characterization of megamaser systems in static spherically symmetric spacetimes

    S. González-Salud, R. Bárcena-Ramos, A. Herrera-Aguilar, R. Cartas-Fuentevilla

    submitted to Classical and Quantum Gravity · preprint at arXiv: 2601.16308

Work in Progress

  • A Complete Geometrical Treatment of Megamaser Systems

    S. González-Salud, A. Herrera-Aguilar

    manuscript in preparation

  • Apparent warping in megamaser maps due to a tilted disk

    S. González-Salud, A. Herrera-Aguilar

    manuscript in preparation

Research Experience

Internship — Noncommutative Black-Hole Holography

Jul. 2026 – Nov. 2026

BUAP (Supervisor: M. de la Cruz López) · Puebla, México

  • Selected for an undergraduate research internship on holographic condensed-matter models involving noncommutative black-hole solutions in scalar–tensor, Einstein–Maxwell, and Einstein–Maxwell–Dilaton theories.
  • Planned work includes thermodynamic consistency, Lifshitz-type solutions, and applications to holographic superconductivity and Hall-effect models.

Internship — Hamiltonian Formulation of Diff.-Invariant Theories

Dec. 2025 – Jul. 2026

BUAP (Supervisor: A. Escalante-Hernández) · Puebla, México

  • Undergraduate research internship on canonical (Hamiltonian) methods for diffeomorphism-invariant field theories, building on Kuchař's approach and related literature.

Research — Differential Geometry and Black-Hole Phenomenology

Nov. 2024 – Present

BUAP (Advisor: A. Herrera-Aguilar) · Puebla, México

  • Developing curvature-based methods to characterize static spherically symmetric black holes from H2O megamaser-disk observables, using equatorial two-geometry, redshift observables, and the Gauss–Bonnet theorem.

Research Assistant — Quantum Field Theory

Oct. 2023 – May 2025

BUAP (Advisor: R. Cartas-Fuentevilla) · Puebla, México

  • Investigated Lorentz-symmetry-breaking weighted measures for massive scalar fields, obtaining finite light-cone propagators and positivity conditions for amplitudes; developed experience with propagator methods, field quantization, and relativistic covariance.

Schools & Advanced Training

Perimeter Institute Undergraduate Summer School

Jun. 15–26, 2026

Selected participant — Waterloo, Ontario, Canada

Two-week intensive summer school for undergraduate students in theoretical physics.

6th Mexican Astro Cosmo Statistics School (MACSS)

Sep. 29 – Oct. 3, 2025

Participant — León, Guanajuato, México

Lectures and problem sessions on cosmology, astrostatistics, and data-analysis methods, including LSS, CMB, and gravitational-wave applications.

Quantum Field Theory Course

Sep. 2025 – Jan. 2026

Physics Latam – ICTP Physics Without Frontiers (Online)

Final grade: 8 / 10.

General Relativity and Cosmology Course

Jun. 2025 – Sep. 2025

Physics Latam – ICTP Physics Without Frontiers (Online)

Final grade: 9 / 10.

Summer Mathematics Training Programme

Jul. 2019 – Aug. 2019

Universidad Tecnológica de la Mixteca — Oaxaca, México

Intensive olympiad training in algebra, combinatorics, number theory, and geometry.

Presentations

XIV Encuentro Nacional “Luis Rivera Terrazas”

Jun. 3, 2026

Contributed talk — Puebla, México

Redshift rapidity and angular redshift rate as observables for black-hole characterization with megamaser disks

Seminario Estudiantil de Cosmología Teórica y Observacional

Nov. 25, 2025

CINVESTAV, invited student talk (Online)

Weighted measures in QFT: commutators, vacuum, and light-cone propagators

LXVIII Congreso Nacional de Física (CNF 2025)

Oct. 12–17, 2025

Contributed talk — Toluca, Edomex, México

Differential geometry applied to the characterization of spherically symmetric black holes (Gravitation and Mathematical Physics)

Seminario “Teoría de Campos, Gravitación y Cosmología”

Sep. 3 and 10, 2025

IFUAP-BUAP, contributed talks — Puebla, México

Frequency-Shift and Disk Warping: A Complete Geometrical Treatment of Megamaser Data (Parts I and II)

II Workshop on Current Aspects of Black Holes

Dec. 5–6, 2024

Invited talk — Instituto de Física, BUAP

Gauss–Bonnet theorem for black-hole characterization

Teaching, Outreach & Service

Academic Service — Peer Review

2026

Annals of Physics · Journal of Physics Communications

Completed referee reports for Annals of Physics, served as referee for Journal of Physics Communications, and received IOP Trusted Reviewer certification.

Physics Olympiad Mentor

Apr. 2026 – Present

Training for OMF participants — Puebla, México

Mentoring 6 high-school students preparing for the Olimpiada Mexicana de Física through weekly Saturday tutorials, homework assignments, and problem-solving sessions.

Science Communication — Astrophysical Black Holes

Apr. 13, 2026

TV BUAP, El Artículo de la Semana

Featured student guest in the 30-minute public-outreach episode “Agujeros negros astrofísicos, cap. 1”, explaining basic concepts of black holes alongside A. Herrera-Aguilar and A. Fernández-Téllez.

Teaching Assistant — Mechanics

Jan. 2024 – Dec. 2024

Benemérita Universidad Autónoma de Puebla

Led recitations and office hours for introductory mechanics; designed problem sets and solution write-ups; assisted with grading for approximately 65 students.

Private Tutor — Mathematics and Physics

Aug. 2022 – Present

Independent — Oaxaca & Puebla, México

One-to-one tutoring for 50+ students across secondary and undergraduate levels; created and led a community programme to strengthen primary-school mathematics.

Honors & Awards

Additional prizes and medals in national and international mathematics and physics competitions, including the Torneo Internacional de Cálculo, Pierre Fermat Competition, COM Mathematics Competition, Virtual Mathematics Olympiad CARMA, National Mexican Physics Olympiad, InterCOBACH Mathematics Tournament, IYMC, and OMMEB.

Technical Skills & Languages

Scientific Computing & Typesetting

Python (NumPy, SciPy, Matplotlib), Mathematica, LaTeX, TikZ.

Quantum Computing

Qiskit; QWorld Bronze-Qiskit; Cobalt workshop on combinatorial optimization.

Languages

Spanish (native), English (professional), Japanese (basic; JLPT N5 equivalent).