|This profile/story complies with book canon but ignores information from Pottermore and other sources.|
The title is a reference to the concept of exotic matter—matter thought to behave abnormally or have or "exotic" properties—in theoretical physics. Some scientists have hypothesized that the shortcuts through spacetime known as wormholes require the existence of exotic matter.
"Exotic Matter" won first place in the "Best Drama-Angst" category and second place in the "Best Het Smut" of the "Hogwarts Staff & Spirits" section in the Spring/Summer 2014 HP Fanfic Fan Poll Awards.
In 2042, Hermione Granger-Weasley is commissioned to update the National Dictionary of Wizarding Biography. As she is researching the entry on Minerva McGonagall, she discovers some interesting things and solves the mystery of the Headmistress's post-war disappearance.
- Hermione Granger-Weasley
- Minerva McGonagall
- Severus Snape
- Ron Weasley
- Albus Dumbledore
- Rufus Scrimgeour
- Harry Potter
- Ginny Weasley
- Neville Longbottom
- Albus Severus Potter
- James Sirius Potter
- Lily Potter
- Hugo Weasley
- Perdita Abbott, cousin of Hannah Abbott
- Mauritious Babcock, publisher
- Mr Childress, curator, rare books divisision, National Museum of Wizarding History
- Tristan Rowle, assistant to Mr Childress
- Aurelia McGonagall, Minerva's mother
- Lachlan McGonagall, Minerva's father