Details
| Original language | English |
|---|---|
| Pages (from-to) | 5579-5582 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 83 |
| Issue number | 26 |
| Publication status | Published - 27 Dec 1999 |
Abstract
The low temperature magnetization process of antiferromagnetic spin-S chains doped with mobile spin-(S-1/2) carriers is studied in an exactly solvable model. For sufficiently high magnetic fields the system is in a metallic phase with a finite gap for magnetic excitations. In this phase which exists for a large range of carrier concentrations x the zero temperature magnetization is determined by x alone. This leads to plateaus in the magnetization curve at a tunable fraction of the saturation magnetization. The critical behaviour at the edges of these plateaus is studied in detail.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- General Physics and Astronomy
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In: Physical Review Letters, Vol. 83, No. 26, 27.12.1999, p. 5579-5582.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Doping-induced magnetization plateaus
AU - Frahm, Holger
AU - Sobiella, Constantin
PY - 1999/12/27
Y1 - 1999/12/27
N2 - The low temperature magnetization process of antiferromagnetic spin-S chains doped with mobile spin-(S-1/2) carriers is studied in an exactly solvable model. For sufficiently high magnetic fields the system is in a metallic phase with a finite gap for magnetic excitations. In this phase which exists for a large range of carrier concentrations x the zero temperature magnetization is determined by x alone. This leads to plateaus in the magnetization curve at a tunable fraction of the saturation magnetization. The critical behaviour at the edges of these plateaus is studied in detail.
AB - The low temperature magnetization process of antiferromagnetic spin-S chains doped with mobile spin-(S-1/2) carriers is studied in an exactly solvable model. For sufficiently high magnetic fields the system is in a metallic phase with a finite gap for magnetic excitations. In this phase which exists for a large range of carrier concentrations x the zero temperature magnetization is determined by x alone. This leads to plateaus in the magnetization curve at a tunable fraction of the saturation magnetization. The critical behaviour at the edges of these plateaus is studied in detail.
U2 - 10.1103/PhysRevLett.83.5579
DO - 10.1103/PhysRevLett.83.5579
M3 - Article
AN - SCOPUS:0001652913
VL - 83
SP - 5579
EP - 5582
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 26
ER -