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공공누리This item is licensed Korea Open Government License

Title
Phase Separation in the Two-Dimensional Systems of Strongly Correlated Electrons; the Role of Spin Singlet Pairs on Hole Pairing Contribution to Hole-rich Phase
Author(s)
이성식안설아석성호
Publication Year
2005-01-01
Abstract
By paying attention to the hole-doped two-dimensional systems of antiferromagnetically (strongly) correlated electrons, we discuss the cause of hole-rich phase formation in association with phase separation. We show that the phase diagram obtained from the Maxwell's construction in the plane of temperature vs. hole density is consistent with one derived from the evaluation of hole-rich and electron-rich phases in real space. We observe that the formation of a hole-rich phase is attributed to the aggregation of hole pairs induced by spin singlet pairs present in the pseudogap phase and that a direct involvement of correlations between hole pairs are not essential for phase separation.
Keyword
antiferromagnetically (strongly) correlated electrons; hole-rich phase; electron-rich phase; phase separation; Maxwell's construction; spin singlet pair; pseudogap phase
Journal Title
Key engineering materials
Citation Volume
277
ISSN
1013-9826
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/13598
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