# Superconductivity

Canonical: https://manyspace.aporia.systems/topics/superconductivity-phy-condm-154
Updated: 2026-10-13

Physics · Solid State & Condensed Matter · PHY-CONDM-154

- Difficulty: 4 / 5
- Importance: 4 / 5
- Study time: 6.5–12 h

Meissner effect, BCS theory, type I/II, applications

## Why it matters

Physics of solids and quantum many-body systems — the science behind all modern electronics, materials and quantum technology.

## Where it is used

Transistors and chips, solar cells, LEDs, superconductors, data storage, quantum materials, MEMS.

## How you know you have learned it

Explain/derive key result from memory + solve 2 non-routine checks.

## What you need first

- [Microstates & Macrostates](https://manyspace.aporia.systems/topics/microstates-macrostates-phy-statm-095) (required)
- [Historical Foundations](https://manyspace.aporia.systems/topics/historical-foundations-phy-qm-105) (required)
- [Band Theory](https://manyspace.aporia.systems/topics/band-theory-phy-condm-150) (required)

## Resources

- Solid State Physics — Ashcroft & Mermin