Gulshan Kumar

Gulshan Kumar

Computational Mineral Physics • High Pressure Geoscience
PhD Scholar at IIT Gandhinagar working on first-principles investigation of minerals and technologically relevant materials under extreme pressure-temperature conditions using DFT, lattice dynamics, elasticity, Raman spectroscopy and powder XRD.

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About My Research


I investigate phase transitions, elastic anomalies, phonon instabilities and thermodynamic behavior of Earth and planetary minerals under extreme pressure-temperature conditions. My work bridges computational simulations with Raman and X-ray diffraction experiments.

Research Experience


Junior Research Fellow (SERB), IIT Gandhinagar (2024–2026)
Project Intern, IISER Kolkata (2021)

Technical Software & Skills


Programming: Python, MATLAB, LaTeX

Simulation Packages: Quantum ESPRESSO, Phonopy, QHA, ElaStic, Mineral-CIJ, EOS-Fit, Gibbs2, CP2K, XtalOpt, OriginLab

Experimental: Powder XRD, Raman Spectroscopy, Equation of State Analysis

Interactive Publications

High-pressure phase transition of olivine-type Mg2GeO4 to a metastable forsterite-III type structure and their equations of state
High-pressure elastic properties of GeO2 polymorphs up to 120 GPa
Investigating the Kaps whistle tone at low- and high-flow rates of nitrogen gas
Equation of state of the rutile and CaCl2-type phases of GeO2 to 70 GPa
Uncovering the limits of lithium cobalt oxide
Phenomenon of Overblowing for Flute or Whistle