Abstract
We construct a bound state of three 1/3-quantized Josephson coupled vortices in three-component superconductors with intrinsic Josephson couplings, which may be relevant with regard to iron-based superconductors. We find a Yshaped junction of three domain walls connecting the three vortices, resembling the baryonic bound state of three quarks in QCD. The appearance of the Y-junction (but not a δ-junction) implies that in both cases of superconductors and QCD, the bound state is described by a genuine three-body interaction (but not by the sum of two-body interactions). We also discuss a confinement/deconfinement phase transition.
| Original language | English |
|---|---|
| Article number | 084711 |
| Journal | Journal of the Physical Society of Japan |
| Volume | 81 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2012 Aug |
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Keywords
- Baryon
- Confinement
- Fractional flux quanta
- Ginzburg-Landau free energy
- Interband phase difference soliton
- Meson
- Multi-band superconductor
- QCD
- Vortices
ASJC Scopus subject areas
- Physics and Astronomy(all)
Cite this
Baryonic bound state of vortices in multicomponent superconductors. / Nitta, Muneto; Eto, Minoru; Fujimori, Toshiaki; Ohashi, Keisuke.
In: Journal of the Physical Society of Japan, Vol. 81, No. 8, 084711, 08.2012.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Baryonic bound state of vortices in multicomponent superconductors
AU - Nitta, Muneto
AU - Eto, Minoru
AU - Fujimori, Toshiaki
AU - Ohashi, Keisuke
PY - 2012/8
Y1 - 2012/8
N2 - We construct a bound state of three 1/3-quantized Josephson coupled vortices in three-component superconductors with intrinsic Josephson couplings, which may be relevant with regard to iron-based superconductors. We find a Yshaped junction of three domain walls connecting the three vortices, resembling the baryonic bound state of three quarks in QCD. The appearance of the Y-junction (but not a δ-junction) implies that in both cases of superconductors and QCD, the bound state is described by a genuine three-body interaction (but not by the sum of two-body interactions). We also discuss a confinement/deconfinement phase transition.
AB - We construct a bound state of three 1/3-quantized Josephson coupled vortices in three-component superconductors with intrinsic Josephson couplings, which may be relevant with regard to iron-based superconductors. We find a Yshaped junction of three domain walls connecting the three vortices, resembling the baryonic bound state of three quarks in QCD. The appearance of the Y-junction (but not a δ-junction) implies that in both cases of superconductors and QCD, the bound state is described by a genuine three-body interaction (but not by the sum of two-body interactions). We also discuss a confinement/deconfinement phase transition.
KW - Baryon
KW - Confinement
KW - Fractional flux quanta
KW - Ginzburg-Landau free energy
KW - Interband phase difference soliton
KW - Meson
KW - Multi-band superconductor
KW - QCD
KW - Vortices
UR - http://www.scopus.com/inward/record.url?scp=84864687253&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84864687253&partnerID=8YFLogxK
U2 - 10.1143/JPSJ.81.084711
DO - 10.1143/JPSJ.81.084711
M3 - Article
AN - SCOPUS:84864687253
VL - 81
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
SN - 0031-9015
IS - 8
M1 - 084711
ER -