To his left, a "conventional system" of electrons moved in an orderly, predictable dance, like commuters in a train station. But as he turned the page, the "Strongly Correlated Matter" took over. Here, the electrons were no longer individuals. They were a mosh pit, a tangled web where one particle's movement sent a violent ripple through every other soul in the room.
The heavy, blue-spined textbook had lived on the bottom shelf of the university library for a decade, its title— A Course in Quantum Many-Body Theory: From Conventional Systems to Strongly Correlated Matter —acting as a natural deterrent to anyone looking for a light read. A Course in Quantum Many-Body Theory: From Conv...
As he flipped to Chapter 4, "The Green’s Function Method," the library around him began to blur. It wasn't a dizzy spell. The wooden table began to lose its "woodness," dissolving into a shimmering lattice of carbon atoms. His coffee cup became a probability cloud of ceramic shards. To his left, a "conventional system" of electrons
Arthur, a third-year PhD student whose eyes were permanently bloodshot from staring at Feynman diagrams, pulled it down. He didn’t notice the dust that puffed out, nor did he notice that the book felt inexplicably heavy, as if it contained a small, dense star. They were a mosh pit, a tangled web
He checked the book out, tucked it under his arm, and walked into the night, feeling every single atom in the sidewalk vibrating in step with his own.
"It’s not chaos," Arthur whispered, watching a Cooper pair glide past him in a perfect, superconducting slipstream. "It’s choreography."