Abstract
From the identification of the easy-plane XXZ spin chain as a 2>8 quantum sine-Gordon system, the nonlinear elementary excitations of the latter are identified as massless "twists" carrying the topological charge 28, and (depending on 2) twist-antitwist bound states.
Original language | English (US) |
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Pages (from-to) | 2505-2508 |
Number of pages | 4 |
Journal | Physical Review B |
Volume | 28 |
Issue number | 5 |
DOIs | |
State | Published - 1983 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics