Electronic wavefunction with maximally entangled MPS representation

Benedikt R. Graswald, Gero Friesecke
2021 European Physical Journal D : Atomic, Molecular and Optical Physics  
AbstractWe present an example of an electronic wavefunction with maximally entangled MPS representation, in the sense that the bond dimension is maximal and cannot be lowered by any re-ordering of the underlying one-body basis. Our construction works for any number of electrons and orbitals.
doi:10.1140/epjd/s10053-021-00189-2 fatcat:ypr2vprqmjhqvjehqtn7clzmdy