DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Chang, Kee-Joo | - |
dc.contributor.advisor | 장기주 | - |
dc.contributor.author | Sim, Heung-Sun | - |
dc.contributor.author | 심흥선 | - |
dc.date.accessioned | 2011-12-14T07:54:03Z | - |
dc.date.available | 2011-12-14T07:54:03Z | - |
dc.date.issued | 1997 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=112626&flag=dissertation | - |
dc.identifier.uri | http://hdl.handle.net/10203/48425 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 물리학과, 1997.2, [ ii, 25 p. ] | - |
dc.description.abstract | We calculate the effective g factor ($g^*$) in the υ=1 quantum Hall system based on a skyrmion-antiskyrmion pair excitation, and compare the result with that obtained from a quasihole-quasiparticle excitation. Using the Hartree-Fock approach on the Haldane``s sphere geometry, we find that $g^*$ is significantly lowered due to the Coulomb interaction between reversed spins. Since our excitation gap is still overestimated, our calculated value of 2.55 at 7.7 T is suggested to be an upper limit for $g^*$. Our results are used to explain the temperature dependence of electron spin polarization observed by optically pumped nuclear magnetic resonance measurements. | eng |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | Electron-electron interaction | - |
dc.subject | g-factor | - |
dc.subject | Skyrmion | - |
dc.subject | 양자홀 계 | - |
dc.subject | 스커미온 | - |
dc.subject | 전자간 상호 작용 | - |
dc.subject | Quantum Hall system | - |
dc.title | Effective Landé g-factor in the $\upsilon = 1$ quantum hall system | - |
dc.title.alternative | Filling factor $\upsilon = 1$ 인 양자홀 계의 유효 Landé g-factor $(g^{*})$에 관한 연구 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 112626/325007 | - |
dc.description.department | 한국과학기술원 : 물리학과, | - |
dc.identifier.uid | 000953323 | - |
dc.contributor.localauthor | Sim, Heung-Sun | - |
dc.contributor.localauthor | 심흥선 | - |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.