期刊
PHYSICAL REVIEW B
卷 106, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.106.L241102
关键词
-
资金
- Research Council of Norway (RCN) through its Centres of Excellence funding scheme [323766]
- RCN Project [262633]
This study investigates how spin fluctuations can induce superconductivity in a strongly correlated non-Fermi liquid with repulsive electronic interactions. By using a multichannel Luttinger liquid approach, the researchers find that spin-polarized triplet superconducting correlations persist in the system with sufficiently large interchain couplings.
We study spin-fluctuation mediated divergent superconducting fluctuations in a Luttinger liquid proximity -coupled to a spin chain. Our study provides insight into how spin fluctuations can induce superconductivity in a strongly correlated non-Fermi liquid with repulsive electronic interactions only. The electrons in the system are governed by the Extended Hubbard Hamiltonian and are coupled to a chain of localized spins modeled by the spin -21 XX Hamiltonian. Using a multichannel Luttinger liquid approach, we determine the phase diagram of the metal chain. We find that spin-polarized triplet superconducting correlations persist for repulsive electronic interactions for sufficiently large interchain couplings.
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