3 ms·
> The theorem is called the Nielsen-Ninomiya theorem. Among the class of quantum field theories that you cannot discretize is the one that describes our univers
by kbr- 4y ago
> The theorem is called the Nielsen-Ninomiya theorem. Among the class of quantum field theories that you cannot discretize is the one that describes our universe, the Standard Model.
- blueprint 4y agoah. it talks about issues with putting fermions with spin on a lattice. there's more to fermions than a continuous exponential function though! :)
- deleted 4y ago[deleted]