Abstract
Based on the theory of matrix product states, we give precise statements and complete analytical proofs of the following claim: A large fractionalization in the magnetization or the need of long-range interactions imply large entanglement in the state of a quantum spin chain.
| Original language | English |
|---|---|
| Article number | 035114 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 87 |
| Issue number | 3 |
| DOIs | |
| State | Published - 11 Jan 2013 |