2024

• Cheolhee Han*, June-Young M. Lee*, and H.-S. Sim, Anyon Interferometry to Detect Braiding Statistics of Neutral Modes, Phys. Rev. Lett. 133, 186603 (2024) [PROLA].  *:equal contributions.

2023

• A. Assouline, L.Pugliese, H.Chakraborti, Seunghun Lee, L.Bernabeu, M.Jo, K. Watanabe, T. Taniguchi, D.C.Glattli, N.Kumada, H.-S. Sim, F.D.Parmentier, and P.Roulleau, Emission and coherent control of Levitons in graphene, Science 382, 1260-1264 (2023) [Science]

• Wanki Park, H.-S. Sim, and Sungguen Ryu, Measuring the arrival time of an electron wave packet using a dynamical potential barrier, Phys. Rev. B 108,195309 (2023) [PROLA].

• Jeongmin Shim*, Donghoon Kim* & H.-S. Sim, Hierarchical entanglement shells of multichannel Kondo clouds, Nature Communications 14, 3521 (2023) [Nature Communications], *:equal contributions.

• J. D. Fletcher, W. Park, S. Ryu, P. See, J. P. Griffiths, G. A. C. Jones, I. Farrer, D. A. Ritchie, H.-S. Sim & M. Kataoka,Time-resolved Coulomb collision of single electrons, Nature Nanotechnology (2023) [Nature Nanotechnology]// Selected: Nature Nanotechnology News & Views

• Junliang Wang, Hermann Edlbauer, Aymeric Richard, Shunsuke Ota, Wanki Park, Jeongmin Shim, Arne Ludwig, Andreas D. Wieck, Heung-Sun Sim, Matias Urdampilleta, Tristan Meunier, Tetsuo Kodera, Nobu-Hisa Kaneko, Hermann Sellier, Xavier Waintal, Shintaro Takada and Christopher Bäuerle, Coulomb-mediated antibunching of an electron pair surfing on sound, Nature Nanotechnology (2023) [Nature Nanotechnology]// Selected: Nature Nanotechnology News & Views

• June-Young M. Lee, Changki Hong, Tomer Alkalay, Noam Schiller, Vladimir Umansky, Moty Heiblum, Yuval Oreg, and H.-S. Sim, Partitioning of diluted anyons reveals their braiding statistics, Nature 617,277 (2023)  [Nature]. // Note: Joint work between experiment and theory. J.-Y. M. Lee (theory), C. Hong, and T. Alkalay (experiment) contributed equally to the work. 

• Hwanchul Jung, Dongsung T. Park, Seokyeong Lee, Uhjin Kim, Chanuk Yang, Jehyun Kim, V. Umansky, Dohun Kim, H.-S. Sim, Yunchul Chung, Hyoungsoon Choi, and Hyung Kook Choi, Observation of electronic modes in open cavity resonator, Nature Communications, 14, 415 (2023) [Nature Communications].

2022

• Sung Un Cho, Wanki Park, Bum-Kyu Kim, Minky Seo, Dongsung T. Park, Hyungkook Choi, Nam Kim, H.-S. Sim, and Myung-Ho Bae, One-Lead Single-Electron Source with Charging Energy, Nano Lett. 22,  9313-9318 (2022) [Nano Letters]. // Note: Joint work between experiment and theory. S. U. Cho (experiment) and W. Park (theory) contributed equally to the work.

• June-Young M. Lee and H.-S. Sim, Non-Abelian anyon collider, Nature Communications, 13, 6660 (2022) [Nature Communications].

• Sungguen Ryu and H.-S. Sim, Partition of Two Interacting Electrons by a Potential Barrier, Phys. Rev. Lett. 129, 166801 (2022) [PROLA]. 

• M. Jo, June-Young M. Lee, A. Assouline, P. Brasseur, K. Watanabe, T. Taniguchi, P. Roche, D. C. Glattli, N. Kumada, F. D. Parmentier, H.-S. Sim, and P. Roulleau, Scaling behavior of electron decoherence in a graphene Mach-Zehnder interferometer, Nature Communications 13, 5473 (2022) [Nature Communications].  // Note: Joint work between experiment and theory. M. Jo (experiment) and J.-Y. M. Lee (theory) contributed equally to the work. 

• Tom Morel, June-Young M. Lee, H.-S. Sim, and Christophe Mora, Fractionalization and anyonic statistics in the integer quantum Hall collider, Phys. Rev. B 105, 075433 (2022) [PROLA].

2021

• Donghoon Kim*, Jeongmin Shim*, and H.-S. Sim, Universal Thermal Entanglement of Multichannel Kondo Effects, Phys. Rev. Lett. 127, 226801 (2021) [PROLA] , *: equal contributions. // Highlighted at Journal Club for Condensed Matter Physics,

• Clarissa J. Barratt, Sungguen Ryu, Lewis A. Clark, H.-S. Sim, Masaya Kataoka, and Clive Emary, Asymmetric arms maximize visibility in hot-electron interferometers, Phys. Rev. B 104, 035436 (2021) [PROLA]

• Dongsung T. Park, Uhjin Kim, Dongkun Kim, Hwanchul Jung, Juho Choi, Cheolhee Han, Yunchul Chung, H.-S. Sim, V. Umansky, Hyoungsoon Choi, and Hyung Kook Choi, Significant energy relaxation of quantum dot emitted hot electrons, Phys. Rev. Research 3, 033015 (2021) [PROLA]

• Sungguen Ryu, H.-S. Sim, Young-Seok Ghee, Bum-Kyu Kim, Myung-Ho Bae, Nam Kim, Suk-In Park, and Jindong Song, rf-Signal-induced heating effects in single-electron pumps composed of gate-tunable quantum dots, Phys. Rev. B 103, 205422 (2021) [PROLA]

• M. Jo, P. Brasseur, A. Assouline, G. Fleury, H.-S. Sim, K. Watanabe, T. Taniguchi, W. Dumnernpanich, P. Roche, D. C. Glattli, N. Kumada, F. D. Parmentier, and P. Roulleau, Quantum Hall Valley Splitters and a Tunable Mach-Zehnder interferometer in Graphene, Phys. Rev. Lett. 126, 146803 (2021) [PROLA] // Selected as Editor's suggestions and Featured in Physics.

2020

• June-Young M. Lee, Cheolhee Han, and H.-S. Sim, Fractional Mutual Statistics on Integer Quantum Hall Edges, Phys. Rev. Lett. 125, 196802 (2020) [PROLA]

• Sunghun Park, H.-S. Sim, and Patrik Recher, Electron-Tunneling-Assisted Non-Abelian Braiding of Rotating Majorana Bound States, Phys. Rev. Lett.  125, 187702 (2020) [PROLA]

• Hong-Seok Kim, Tae-Ha Hwang, Nam-Hee Kim, Yasen Hou, Dong Yu, H.-S. Sim, and Yong-Joo Doh , Adjustable quantum interference oscillations in Sb-doped Bi2Se3 topological insulator nanoribbons, ACS Nono 14, 14118-14125 (2020) [ACS Nano]

• Juho Choi, Gwangsu Yoo, Cheolhee Han, and H.-S. Sim, Charge Kondo effects in a quadruple quantum dot in spinless and spinful regimes, Phys. Rev.  B 101, 245307 (2020) [PROLA]

• Ivan V. Borzenets, Jeongmin Shim, Jason C. H. Chen, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, H.-S. Sim and Michihisa Yamamoto, Observation of the Kondo screening cloud, Nature (London) 579, 210 (2020) [Nature] // Note: Joint work between experiment and theory. I. V. Borzenets (experiment) and J. Shim (theory) contributed equally to this work.

• Jungsik Park, Jae Hoon Shin, Kyung Song, Yong-Jin Kim, Han-Byul Jang, Hyungwoo Lee, H.-S. Sim, and Chan-Ho Yang, Non-Ohmic conduction in exfoliated La0.7Ca0.3MnO3 thin films, Applied Physics Letters 116, 022401 (2020) [Applied Physics Letters]

2019

• Gento Yamahata, Sungguen Ryu, Nathan Johnson, H.-S. Sim, Akira Fujiwara, and Masaya Kataoka, Picosecond coherent electron motion in a silicon single-electron source, Nature Nanotechnology 14, 1019 (2019) [Nature nanotechnology] Selected: Nature Nanotechnology News & Views Picosecond detection of electron motion

• Young-Seok Ghee, Ye-Hwan Ahn, Sungguen Ryu, H.-S. Sim, Changki Hong, Bum-Kyu Kim, Myung-Ho Bae, Nam Kim, Parallelized Single-Electron Pumps Based on Gate-Tunable Quantum Dots, Journal of the Korean Physical Society 75, 331 (2019) [JKPS]

• Byeongmok Lee, Cheolhee Han, and H.-S. Sim, Negative Excess Shot Noise by Anyon Braiding, Phys. Rev. Lett. 123, 016803 (2019) [PROLA]

2018

• Bum-Kyu Kim, Sang-Jun Choi, Jae Cheol Shin, Minsoo Kim, Ye-Hwan Ahn, H.-S. Sim, Ju-Jin Kim, and Myung-Ho Bae, The interplay between Zeeman splitting and spin-orbit coupling in InAs nanowires, Nanoscale, 10, 23175-23181 (2018) [Nanoscale]

• N. Johnson, C. Emary, S. Ryu, H.-S. Sim, P. See, J. D. Fletcher, J. P. Griffiths, G. A. C. Jones, I. Farrer, D. A. Ritchie, M. Pepper, T. J. B. M. Janssen, and M. Kataoka, LO-Phonon Emission Rate of Hot Electrons from an On-Demand Single-Electron Source in a GaAs/AlGaAs Heterostructure, Phys. Rev. Lett. 121, 137703 (2018) [PROLA]

• Yunchul Chung, Juho Choi, and H.-S. Sim, Electron Transport in a Multiple Quantum Dot: Recent Progress, Journal of the Korean Physical Society 72, 1454 (2018) [JKPS]

• Changki Hong, Gwangsu Yoo, Jinhong Park, Min-Kyun Cho, Yunchul Chung, H.-S. Sim, Dohun Kim, Hyungkook Choi, Vladimir Umansky, and Diana Mahalu, Attractive Coulomb interactions in a triple quantum dot, Phys. Rev. B 97, 241115(R) (2018) [PROLA] Selected: Editors' Suggestion // Note: Joint work between experiment (C. Hong and Y. Chung) and theory (G. Yoo and H.-S. Sim)

• Hyosub Kim, YeJe Park, Kyungtae Kim, H.-S. Sim, and Jaewook Ahn, Detailed Balance of Thermalization Dynamics in Rydberg-Atom Quantum Simulators, Phys. Rev. Lett. 120, 180502 (2018) [PROLA] Selected: Editors' Suggestion // Note: Joint work between experiment (H. Kim, K. Kim, and J. Ahn) and theory (Y. Park and H.-S. Sim)

• Jeongmin Shim, H.-S. Sim, and Seung-Sup B. Lee, Numerical renormalization group method for entanglement negativity at finite temperature, Phys. Rev. B 97, 155123 (2018) [PROLA]

• Gwangsu Yoo, S.-S. B. Lee, and H.-S. Sim, Detecting Kondo Entanglement by Electron Conductance, Phys. Rev. Lett. 120, 146801 (2018) [PROLA]

2017

• YeJe Park, Jeongmin Shim, S.-S. B. Lee, and H.-S. Sim, Nonlocal Entanglement of 1D Thermal States Induced by Fermion Exchange Statistics, Phys. Rev. Lett. 119, 210501 (2017) [PROLA]

2016

• Sungguen Ryu, M. Kataoka, and H.-S. Sim, Ultrafast Emission and Detection of a Single-Electron Gaussian Wave Packet: A Theoretical Study, Phys. Rev. Lett. 117, 146802 (2016) [PROLA]

• Cheolhee Han, Jinhong Park, Yuval Gefen, and H.-S. Sim, Topological vacuum bubbles by anyon braiding, Nature Communications 7, 11131 (2016) [Nature Communication]

• C. Emary, A. Dyson, Sungguen Ryu, H.-S. Sim, and M. Kataoka, Phonon emission and arrival times of electrons from a single-electron source, Phys. Rev. B 93, 035436 (2016) [PROLA]

2015

• Jinhong Park, Yuval Gefen, and H.-S. Sim, Topological dephasing in the nu=2/3 fractional quantum Hall regime, Phys. Rev. B 92, 245437 (2015) [PROLA]

• S.-S. B. Lee, Jinhong Park, and H.-S. Sim, Macroscopic Quantum Entanglement of a Kondo Cloud at Finite Temperature, Phys. Rev. Lett. 114, 057203 (2015) [PROLA]

2014

• Gwangsu Yoo, Jinhong Park, S.-S. B. Lee, and H.-S. Sim, Anisotropic Charge Kondo Effect in a Triple Quantum Dot, Phys. Rev. Lett. 113, 236601 (2014) [PROLA]

• Minky Seo, Ye-Hwan Ahn, Youngheon Oh, Yunchul Chung, Sungguen Ryu, H.-S. Sim, In-Ho Lee, Improvement of electron pump accuracy by a potential-shape-tunable quantum dot pump, Phys. Rev. B 90, 085307 (2014) [PROLA]

• Roni Ilan, Jens H Bardarson, H-S Sim and Joel E Moore, Detecting perfect transmission in Josephson junctions on the surface of three dimensional topological insulators, New. J. Phys. 16, 053007 (2014) [New Journal of Physics]

• Sunghun Park, Joel E. Moore, and H.-S. Sim, Absence of the Aharonov-Bohm effect of chiral Majorana fermion edge states, Phys. Rev. B 89, 161408(R) (2014) [PROLA]

• Sang-Jun Choi, Sunghun Park, and H.-S. Sim, Geometric phase at a graphene edge: Scattering phase shift of Dirac fermionsm, Phys. Rev. B 89, 155412 (2014) [PROLA]

2013

• Jae-Hyun Choi, Gil-Ho Lee, Sunghun Park, Dongchan Jeong, Jeong-O Lee, H.-S. Sim, Yong-Joo Doh, and Hu-Jong Lee, Complete gate control of supercurrent in graphene p-n junctions, Nature Communications 4, 2525 (2013) [Nature Communications]

• Jinhong Park, S.-S. B. Lee, Yuval Oreg, and H.-S. Sim, How to Directly Measure a Kondo Cloud's Length, Phys. Rev. Lett. 110, 246603 (2013) [PROLA]

• Sang-Jun Choi, Sunghun Park, and H.-S. Sim, Tunable geometric phase of Dirac fermions in a topological junction, Phys. Rev. B 87, 165420 (2013) [PROLA]

• M. Seo, H. K. Choi, S.-Y. Lee, N. Kim, Y. Chung, H.-S. Sim, V. Umansky, and D. Mahalu, Charge Frustration in a Triangular Triple Quantum Dot, Phys. Rev. Lett. 110, 046803 (2013) [PROLA] Introduced: Nature News & View Condensed-matter physics: A frustrated trio

2012

• Soo-Yong Lee, Hyun-Woo Lee, and H.-S. Sim, Visibility recovery by strong interaction in an electronic Mach-Zehnder interferometer, Phys. Rev. B 86, 235444 (2012) [PROLA]

• J. D. Fletcher, M. Kataoka, S. P. Giblin, Sunghun Park, H.-S. Sim, P. See, D. A. Ritchie, J. P. Griffiths, G. A. C. Jones, H. E. Beere, and T. J. B. M. Janssen, Stabilization of single-electron pumps by high magnetic fields, Phys. Rev. B 86, 155311 (2012) [PROLA]

• Sungguen Ryu, Seung-Sup B. Lee, and H.-S. Sim, Minimax optimization of entanglement witness operator for the quantification of three-qubit mixed-state entanglement, Phys. Rev. A 86, 042324 (2012) [PROLA]

• S. -S. B. Lee and H. -S. Sim, Quantifying mixed-state quantum entanglement by optimal entanglement witnesses, Phys. Rev. A 85, 022325 (2012) [PROLA]

• Tae-Wan Noh, H.-S. Sim, and Mun Dae Kim Superconductor-ferromagnet-junction Phase Qubit, Journal of the Korean Physical Society 60, 72 (2012) [JKPS]

2011

• Sunghun Park and H.-S. Sim, π Berry phase and Veselago lens in a bilayer graphene np junction, Phys. Rev. B 84, 235432 (2011) [PROLA]

• Gwangsu Yoo, H.-S. Sim, and Henning Schomerus, Quantum noise and mode nonorthogonality in non-Hermitian PT-symmetric optical resonators, Phys. Rev. A 84, 063833 (2011) [PROLA]

• W.-R. Lee and H.-S. Sim, Capacitive interaction model for Aharonov-Bohm effects of a quantum Hall antidot, Phys. Rev. B 83, 035308 (2011) [PROLA]

2010

• Jinhong Park and H.-S. Sim, Electron pair tunneling resonance in a double-dot interferometry, Phys. Rev. B 82, 235318 (2010) [PROLA]

• H. S. Park, S.-S. B. Lee, H. Kim, S.-K. Choi, and H.-S. Sim, Construction of optimal witness for unknown two-qubit entanglement, Phys. Rev. Lett. 105, 230404 (2010) [PROLA] Note: Joint work between experiment and theory. H. S. Park (experiment) and S.-S. B. Lee (theory) contributed equally to this work.

• W.-R Lee and H.-S. Sim, Spectator Behavior in a Quantum Hall Antidot with Multiple Bound Modes, Phys. Rev. Lett. 104, 196802 (2010) [PROLA]

2009

• Jaeuk U. Kim, W.-R. Lee, Hyun-Woo Lee, and H.-S. Sim, Revival of Electron Coherence in a Quantum Wire of Finite Length, Phys. Rev. Lett. 102, 076401 (2009) [PROLA]

• S.-S. B. Lee and H.-S. Sim, Interferometric distillation and determination of unknown two-qubit entanglement, Phys. Rev. A 79, 052336 (2009) [PROLA]

• Jongseok Lim, W.-R. Lee, H.-S. Sim, R. D. Averitt, J. M. O. Zide, A. C. Gossard, and Jaewook Ahn, Effect of nonuniform continuum density of states on a Fano resonance in semiconductor quantum wells, Phys. Rev. B 80, 035322 (2009) [PROLA]

• Seok-Chan Youn, Hyun-Woo Lee, and H.-S. Sim, Electronic interferometer capacitively coupled to a quantum dot, Phys. Rev. B 80, 113307 (2009) [PROLA]

• Sunghun Park and H.-S. Sim, Bilayer Graphene Interferometry : Phase Jump and Wave Collimation, Phys. Rev. Lett. 103, 196802 (2009) [PROLA]

2008

• H.-S. Sim, M. Kataoka, and C. J. B. Ford, Electron interactions in an antidot in the integer quantum Hall regime, Physics Reports 456, 127 (2008) [PhysRep]

• E. Sela, H.-S. Sim, Y. Oreg, M. E. Raikh, and F. von Oppen, Electron Pair Resonance in the Coulomb Blockade, Phys. Rev. Lett. 100, 056809 (2008) [PROLA]

• Seok-Chan Youn, H.-W. Lee, and H.-S. Sim, Nonequilibrium Dephasing in an Electronic Mach-Zehnder Interferometer, Phys. Rev. Lett. 100, 196807 (2008) [PROLA]

• Sunghun Park and H.-S. Sim, Magnetic Edge States in Graphene in Nonuniform Magnetic Fields, Phys. Rev. B 77, 075433 (2008) [PROLA]

• W.-R. Lee, J. U. Kim, and H.-S. Sim, Fano Resonance in a Two-level Quantum Dot Side-Coupled to Leads, Phys. Rev. B 77, 033305 (2008) [PROLA]

• W.-R. Lee, J. U. Kim, and H.-S. Sim, Kondo Resonance in a Spinless Two-Level Quantum Dot Side-Coupled to Two Leads, Physica E 40, 1624 (2008) [PhysicaE]

2006

• H.-S. Sim and E. V. Sukhorukov, Multiparticle interference, Greenberger-Horne-Zeilinger Entanglement, and Full Counting Statistics, Phys. Rev. Lett. 96, 020407 (2006) [PROLA]

• H.-S. Sim and E. V. Sukhorukov, Three-particle Hanbury Brown-Twiss Interferometry, Physica E 34, 472 (2006) [PhysicaE]

2004

• S.-R. E. Yang, N. Y. Hwang, H.-S.. Sim, and Hangmo Yi, Hole Maximum Density Droplets of a Bell Shape Antidot Potential in Strong Magnetic Fields, International Journal of Modern Physics B 18, 3657 (2004) [IJMP]

• N. Y. Hwang, S.-R. E. Yang, H.-S.. Sim, and Hangmo Yi, Hole Maximum Density Droplets of an Antidot in Strong Magnetic Fields, Phys. Rev. B 70, 085322 (2004) [PROLA]

• H.-S.. Sim, N. Y. Hwang, M. Kataoka, Hangmo Yi, M.-S. Choi, and S.-R. E. Yang, Kondo Effect of an Antidot in the Integer Quantum Hall Regime:a Microscopic Calculation, Physica E 22, 554 (2004) [PhysicaE]

2003

• H.-S.. Sim, M. Kataoka, Hangmo Yi, N. Y. Hwang, M.-S. Choi, and S.-R. E. Yang, Coulomb Blockade and Kondo Effect in a Quantum Hall Antidot, Phys. Rev. Lett. 91, 266801 (2003) [PROLA]

• H.-W. Lee, H.-S. Sim, D.-H.Kim, and K. J. Chang, Unified Understanding of Conductance in Stretched Monatomic Contacts, Phys. Rev. B 68, 075424 (2003) [PROLA]

• S. W. Kim, H.-K. Park, H.-S. Sim, and H. Schomerus, Quasibound States at Thresholds in Multichannel Impurity Scattering, Journal of Physics A 36, 1299 (2003) [JPA]

2002

• R. G. Nazmitdinov, H.-S.. Sim, H. Schomerus, and I. Rotter, Shot noise and transport in small quantum cavities with large openings, Phys. Rev. B 66, 241302(R) (2002)

• H.-S. Sim and H. Schomerus, Shot Noise in Ballistic Quantum Dots with a Mixed Classical Phase Space, Phys. Rev. Lett. 89, 066801 (2002)

• H.-S. Sim, H.-W. Lee, and K. J. Chang, Even-Odd Behavior and Quantization of Conductance in Monovalent Atomic Contacts, Physica E 14, 347 (2002)

• H.-S. Sim, G. Ihm, N. Kim, S. J. Lee, and K. J. Chang, Edge-Channel Transport through Quantum Wires with a Magnetic Quantum Dot, Physica E 12, 719 (2002)

2001

• H.-S. Sim, H.-W. Lee, and K. J. Chang, Even-Odd Behavior of Conductance in Monatomic Sodium Wires, Phys. Rev. Lett. 87, 096803 (2001)

• Y.-H. Kim, H.-S. Sim, and K. J. Chang, Electronic Structure of Collapsed C, B N, B C3 Nanotubes, Current Applied Physics 1, 39 (2001)

• D.-H. Kim, H.-S. Sim, and K. J. Chang, Electronic and Transport Properties of Single-Wall Carbon Nanotubes Encapsulating Fullerene-Based Structures, Phys. Rev. B 64, 115409 (2001)

• H.-S. Sim, C.-J. Park, and K. J. Chang, Resonant Transport in Single-Wall Armchair Carbon Nanotubes with Local Mirror-Symmetry-Breaking Deformations, Phys. Rev. B 63, 073402 (2001)

• Nammee Kim, S. J. Lee, T. W. Kang, M. J. Kim, G. Ihm, H.-S. Sim, and K. J. Chang, Electronic Properties of Electromagnetic Quantum Structures, Journal of the Korean Physical Society 39, 501 (2001)

• H.-S. Sim, K. J. Chang, N. Kim, and G. Ihm, Electron Transport in Quantum Wires with a Magnetic Quantum Dot, Journal of the Korean Physical Society 39, 519 (2001)

• H.-S. Sim, G. Ihm, N. Kim, and K. J. Chang, Magnetic Quantum Dot: A Magnetic Transmission Barrierand Resonator, Phys. Rev. Lett. 87, 146601 (2001)

• Nammee Kim, G. Ihm, H.-S. Sim, and T. W. Kang, Modified Magnetic Quantum Dot with Electric Confining Potentials, Phys. Rev. B 63, 235317 (2001)

• G.-H. Kim, H.-S. Sim, M. Y. Simmons, C.-T. Liang, and D. A. Ritchie, Effective Potential Calculationina Two-Dimensional Electron Gas Containing Quasi One-Dimensional Al As Submonolayer, Journal of the Korean Physical Society 39, Supp.1, S11 (2001)

• G.-H. Kim, M. Y. Simmons, C.-T. Liang, D. A. Ritchie, A. C. Churchill, H.-S. Sim, K. J. Chang, G. Ihm, and N. Kim, Method of Determining Potential Barrier Heights at Submonolayer Al As/ Ga As Heterointerfaces, Phys. Rev. B 64, 165313 (2001)

• H.-S. Sim, K. J. Chang, N. Kim, and G. Ihm, Electron and Composite Fermion Edge States in Nonuniform Magnetic Fields, Phys. Rev. B 63, 125329 (2001)

1999

• N. Kim, G. Ihm, H.-S. Sim, and K. J. Chang, Electronic Structure of a Magnetic Quantum Ring, Phys. Rev. B 60, 8767 (1999)

• H.-S. Sim, K. J. Chang, and G. Ihm, Composite-fermion Edge States in Fractional Quantum Hall Systems, Phys. Rev. Lett. 82, 596 (1999)

1998