ISPhO Problems and Solutions

An international olympiad run since 2023 by MIPT near Moscow, built around problems drawn from current research, with theoretical and experimental rounds.

2026 materialsInstructions for Excel

2026

Russia (remote)

Theory3 problems

1TheoryJanssen effectProblem Solution
More materialsAnswer sheet Marking scheme
2TheoryAir showerProblem Solution
More materialsAnswer sheet Marking scheme
3TheoryPN junctions in semiconductorsProblem Solution
More materialsAnswer sheet Marking scheme

Experimental1 problemFiber Bragg gratingProblem

More materialsAnswer sheet

4ExperimentalFiber Bragg gratingProblem
More materialsAnswer sheet

2025

Russia

Theory3 problems

1TheoryFerromagnetic domain wall dynamicsProblems and solutions
2TheoryVibrational structure of polyynesProblems and solutions
3TheorySingle-electron transistorProblems and solutions

Experimental1 problemLED ColorProblems and solutions

4ExperimentalLED ColorProblems and solutions

2024

Russia

Theory3 problems

1TheoryThermal oxidationProblem Solution
2TheoryMemristors and NVRAMProblem Solution
3TheoryHydraulic jumpProblem Solution

Experimental1 problemAbsorption spectroscopy and chemical kineticsProblem Solution

4ExperimentalAbsorption spectroscopy and chemical kineticsProblem Solution

2023

Russia

Theory3 problems

1Polycrystal diffusionProblem Solution
2Muon anomalous magnetic momentProblem Solution
3Frequency measurements with ring resonatorsProblem Solution