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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.6
- 수록면
- 192 - 195 (4page)
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초록· 키워드
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The phase transition of vortex matter from solid to liquid was studied in iron-based superconductors. Based on the traditional vortex glass theory, we have examined the magnetoresistivity data of iron-based superconductors using our extended thermal activation model: ρ(B,T) = ρ((T-T<SUB>g</SUB>(B))/(T<SUB>c</SUB>(0)-T<SUB>g</SUB>(B)))<SUP>v(z-1)</SUP>. We predict that the magnetic field-dependent area S + S? which integrates ρ with T is proportional to B<SUP>β</SUP>, where β is the vortex glass transition exponent. From our calculation, the vortex glass transition exponent is 0.33, close to the exponent of area S?+ S is 0.31 in SmO<SUB>0.9</SUB>F<SUB>0.1</SUB>FeAs; the exponent of area S is 0.63, which is close to the irreversibility line exponent 2/3. Both of the results show the validity of our model. In addition, our model is shown to be effective in describing irreversibility behavior in layered superconductors.
목차
1. Introduction
2. Model
3. Result and Discussion
4. Conclusion
Acknowledgment
References
참고문헌 (22)
참고문헌 신청
1. [학술지(정기간행물)] - Y. Kamihara / 2008 / / J. Am. Chem. Soc 130 : 3296 ~
2. [학술지(정기간행물)] - Z. A. Ren / 2008 / / Europhys. Lett 83 : 17002 ~
3. [학술지(정기간행물)] - H. H. Wen / 2008 / / Europhys. Lett 82 : 17009 ~
4. [학술지(정기간행물)] - C. de la Cruz / 2008 / / Nature 453 : 899 ~
5. [학술지(정기간행물)] - J. Dong / 2008 / / Europhys. Lett 83 : 27006 ~
2. [학술지(정기간행물)] - Z. A. Ren / 2008 / / Europhys. Lett 83 : 17002 ~
3. [학술지(정기간행물)] - H. H. Wen / 2008 / / Europhys. Lett 82 : 17009 ~
4. [학술지(정기간행물)] - C. de la Cruz / 2008 / / Nature 453 : 899 ~
5. [학술지(정기간행물)] - J. Dong / 2008 / / Europhys. Lett 83 : 27006 ~
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UCI(KEPA) : I410-ECN-0101-2013-428-000554364