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Professor Sim, Heung-Sun (심흥선)

2014.12.15 16:45

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  • Position: Professor 
    Tel&office No: +82-42-350-2545 
    Fax: +82-42-350-2510 
    E-mail: hssim(at)kaist.ac.kr 
    Homepage: http://qet.kaist.ac.kr 
    Education: 2001: KAIST (Ph. D. in Physics)
    1997: KAIST (M.S. in Physics)
    1995: KAIST (B.S. in Physics) 
    Affiliation:  
    ResearchField: - Condensed Matter Theory 

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  • 2004~Present:
   KAIST, Professor
  • 2002~2004:
   KIAS, Post. Doc.
  • 2001~2002:
   Max Planck Institute for the physics of complex systems (Dresden, Germany), Post. Doc.
  • 2001~2002:
   Natural Science Institute, KAIST, Post. Doc.


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  • Condensed matter thery
    - Mesoscopic physics
    - Electron correlation in low dimensional systems
    - Nanoscale electron transport


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  • Lab. Info.
    The recent advances in lithographic technology have enabled physicists to fabricate and control nano-scale systems. As a result, the integerand fractioinal quantum Hall effects were discovered in two-dimensionalelectron gas systems in 1980's, and mesoscopic physics has been activelyinvestigated since 1990's. Moreover, around 1995, researchers wereable to study electronic nanocircuits, where electrical current can flow through single atom or single molecule. Electrons in this kind of smallsystems are governed by quantum mechanics and can strongly interact witheach other. These facts give rise to a variety of novel pheonomena inmesoscopic systems, especially those relating to electronic transport.Currently, new topics in mesoscopic physics are emerging, connecting withother physics research areas such as quantum chaos, spintronics, nanomechanics, nanoelectronics, and quantum information. In our laboratory, we are theoretically studying mesoscopic physics. The detailed topics can be found below or in the group webpage linked at the bottom of this page.
  • Mesoscopic physics
    The mesoscopic systems are intermediate between statistical macroscopic and quantum mechanical microscopic length scales. In these systems, electron motions are phase coherent and thus governed by quantum mechanics, and there can be often many electrons, which requires statistical treatment. Mesoscopic systems can be classified by their dimension, such as two-dimenionsl electron gas (2DEG), quantum wires (1D), and quantum dots (0D). The detailed topics studied in our Lab. are as follows:

    - Phase-coherent electron transport and conductance quantization
    - Quantum billiard and disordered system (related to quantum chaos)
    - Spin control (related to spintronics)
    - Entanglement (related to quantum information and computation)
    - Decoherence
  • Electron correlation in low dimensional systems
    One of the most important open problems in condensed matter physics is to understand strongly correlated electrons. Mesoscopic systems provide a good playground for studying electron correlations, since electron-electron interactions are stronger in lower dimensional systems and one can experimentally control the properties of mesoscopic systems. The detailed phenomena studied in our Lab. are:

    - Coulomb blockade and Kondo effect (0D)
    - Luttinger liquid (1D)
    - Fractional quantum Hall effect (2D)
    - Mesoscopic superconductivity
  • Nanoscale electron transport
    The smallest conductor in our world is maybe single atom or single molecule. In this kind of small conductors, the classical Ohm's law does not work any more. Instead, one requires a new formalism, which takes into account of quantum mechanical properties such as discreteness of electron charge, Pauli principle, electron-electron interactions, etc. The systems studied in our Lab. are:

    - Atomic-size contact and atomic wire
    - Carbon nanotube and molecular electronics

 

 

Emeritus Professor


  • Further Info
    • Chang, Hong Young (장홍영) Emeritus Professor
    • Tel : +82-42-350-2526    Fax : +82-42-350-8190    E-mail : hychang(at)kaist.ac.kr
    • http://ltpl.kaist.ac.kr/
    • 1986: Univ. of Iowa (Ph.D. in Plasma Physics)
      1980: KAIST (M.S. in Applied Physics)
      1977: Seoul National Univ. (B.S. in Engineering)
    • - Law Temperature Plasma and Tokamak Plasma

  • Further Info
    • Chang, Kee Joo (장기주) Emeritus Professor
    • Tel : +82-42-350-2531    Fax : +82-42-350-2510    E-mail : kchang(at)kaist.ac.kr
    • http://taehae.kaist.ac.kr
    • 1986: UC. Berkeley (Ph.D in Physics)
      1978: Seoul National Univ. (M.S in Physics)
      1976: Seoul National Univ. (B.S in Physics)
    • - Condensed Matter Theory

  • Further Info
    • Kim, Byoung Yoon (김병윤) Emeritus Professor
    • Tel : +82-42-350-2527    Fax : +82-42-350-5527    E-mail : yoonkim(at)kaist.ac.kr
    • http://fiber.kaist.ac.kr
    • 1985: Stanford University (Ph.D. in Applied Physics)
      1979: KAIST (M.S. in Physics)
      1977: Seoul National Univ. (B.S. in Physics)
    • - Optics - Optical fiber devices for optical communications and sensors - Fiber-lasers - Optical fiber sensors

  • Further Info
    • Kim, Jae Eun (김재은) Emeritus Professor
    • Tel : +82-42-350-2522    Fax : +82-42-350-2510    E-mail : jekim_at_kaist.ac.kr
    • 1979: University of Pittsburgh (Ph.D. in Physics)
      1969: Seoul National Univ. (B.S. in Physics)
    • http://photonic.kaist.ac.kr

  • Further Info
    • Kim, JaeKwan (김재관) Emeritus Professor
    • Fax : +82-42-350-2510    E-mail : jaekwankim_at_kaist.ac.kr
    • 1966: Columbia University (이학박사, 물리학)

  • Further Info
    • Kim, Mahn Won (김만원) Emeritus Professor
    • Fax : +82-42-350-2510    E-mail : mwkim_at_kaist.ac.kr
    • 1975: Univ. of California at Santa Barbara (Ph.D. in Physics)
      1972: Univ. of California at Santa Barbara (M.A. in Physics)
      1969: Seoul National Univ. (B.A. in Physics)
    • - Soft Matter Physics

  • Further Info
    • Kim, Soo Yong (김수용) Emeritus Professor
    • Fax : +82-42-350-2510    E-mail : sooyongkim(at)kaist.ac.kr
    • http://beam.kaist.ac.kr
    • 1985: Columbia Univ. (Ph.D. in Physics)
      1978: Korea Univ. (M.S. in Physics)
      1975: Seoul National Univ. (B.S. in Physical Education)
    • - Biophysics

  • Further Info
    • Kong, Hong Jin (공홍진) Emeritus Professor
    • Tel : +82-42-350-2521    Fax : +82-42-350-1458    E-mail : hjkong(at)kaist.ac.kr
    • http://lsrl.kaist.ac.kr/
    • 1981: KAIST(Ph.D in Physics)
      1978: KAIST(M.S. in Physics)
      1976: Seoul National Univ.(B.S. in Physics)
    • - Laser Optics

  • Further Info
    • Lee, Hai-Woong (이해웅) Emeritus Professor
    • E-mail : hwlee2(at)kaist.ac.kr
    • - 1977: University of Pittsburgh (Ph.D in Physics)
      - 1970: Seoul National Univ. (B.S in Physics)

  • Further Info
    • Lee, Soon Chil (이순칠) Emeritus Professor
    • Tel : +82-42-350-2533    Fax : +82-42-350-2510    E-mail : soonchillee(at)kaist.ac.kr
    • 1986: Northwestern Univ. (Ph.D. in Physics)
      1980: Seoul National Univ. (B.S in Physics)
    • - Magnetic and Magnetic Resonance

  • Further Info
    • Lee, Yong Hee (이용희) Emeritus Professor
    • Tel : +82-42-350-2536    Fax : +82-42-350-2510    E-mail : yhlee(at)kaist.ac.kr
    • https://sites.google.com/site/nplkaist/
    • 1986: Univ. of Arizona (Ph.D. in Optics)
      1979: KAIST (M.S in Physics)
      1977: Seoul National Univ. (B.S. in Physics)
    • Optics

  • Further Info
    • Min, Kyoung Wook (민경욱) Emeritus Professor
    • Tel : +82-42-350-2525    Fax : +82-42-350-5525    E-mail : kyoungwookmin(at)kaist.ac.kr
    • http://space.kaist.ac.kr
    • 1986: Princeton University (Ph.D. in Plasma Physics)
      1978: Seoul National Univ. (B.S. in Physics)
    • - Space Plasma Physics
      - Space Astrophysics
      - Nonequilibrium Physics

  • Further Info
    • Moon, Hie Tae (문희태) Emeritus Professor
    • Fax : +82-42-350-2510    E-mail : htmoon_at_kaist.ac.kr
    • 1982: University of Southern California (Ph.D. in Physics)
      1979: University of Southern California (M.S. in Physics)
      1976: Seoul National Univ. (B.S. in Physics)
    • - Nonlinear Dynamics - Nonequilibrium Physics

  • Further Info
    • Shin, Sung-Chul (신성철) Emeritus Professor
    • Tel : +82-42-350-2528    Fax : +82-42-350-8100    E-mail : shin(at)kaist.ac.kr
    • 1984: Northwestern Univ. (Ph.D. in Materials Physics)
      1977: KAIST (M.S in Condensed Matter Physics)
      1975: Seoul National Univ. (B.S in Applied Physics)
    • Magnetic Materials Physics

  • Further Info
    • Yoon, Choon Sup (윤춘섭) Emeritus Professor
    • Fax : +82-42-350-2510    E-mail : csyoon(at)kaist.ac.kr
    • 1987: Univ. of Stathclyde (Ph.D. in Solid State Physics)
      1976: KAIST (M.S. in Physics)
      1974: Seoul National Univ. (B.S. in Oceanography/physics)
    • - Organic Semiconductor - Nonlinear Optics Materials and Phenomena

  • Further Info
    • Youm, Do Jun (염도준) Emeritus Professor
    • Tel : +82-42-350-2530    Fax : +82-42-350-2510    E-mail : djyoum(at)kaist.ac.kr
    • http://htsc.kaist.ac.kr
    • 1986: Univ. of California at San Diego (Ph.D. in Physics)
      1974: Seoul national univ. (B.S in Physics)
    • - High Tc Superconductor Applications