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장소 KI빌딩(E4), 강의실 B501 (5F) 
일시 4월 18일(월), 15:30~ 
연사 Prof. Robert A. DiStasio Jr. (Cornell University) 

1. 일시: 418(), 15:30~

2. 장소: KI빌딩(E4), 강의실 B501 (5F)

3. 주제: First Principles Approaches for Intermolecular Interactions: From Gas-Phase Dimers to Liquid Water and Molecular Crystal Polymorphism

4. 문의: 이수현(suehyun@kaist.ac.kr, 내선 1752)

5. 주관: 정유성 교수님 (내선 1712)

6. Abstract:

Long-range van der Waals (vdW) or dispersion interactions are crucial in determining the structure, stability, and function of many systems throughout the fields of biology, chemistry, physics, and materials science. In this work, I will discuss several first-principles based approaches that have been recently developed for obtaining an accurate theoretical description of vdW interactions in molecules and materials. Particular focus will be placed on the many-body dispersion (MBD) model, which includes both long-range Coulomb electrodynamic response screening effects as well as a treatment of the many-body vdW energy to infinite order. To demonstrate the increasingly important role played by many-body vdW interactions in large, structurally complex molecular systems, this method will be used to investigate several pertinent molecular properties, such as binding energies/affinities in gas-phase molecular dimers and supramolecular complexes, relative conformational energetics in small polypeptides and DNA helices, anomalous structural and density signatures of liquid water, and thermodynamic stabilities among competing molecular crystal polymorphs.

* 첨부. Abstract 

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89 Oct. 07 (Fri), 4:00 PM  E6-2. #1323(1st fl.)  Dr. Choong Hyun Kim,IBS-CCES, Seoul National University  “Tilt engineering of 4d and 5d transition metal oxides?”
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84 4pm, Sep. 21 (Wed.  E6-2. #2502(2nd fl.)  Dr. Henrik Johannesson , University of Gothenburg (Sweden) and Beijing Computational Science Research Center (China)  Entanglement probe of two-impurity Kondo physics
83 2015/09/07, 3PM  E6-2. 1st fl. #1318  Dr. Jasbinder Sanghera (U.S. Naval Research Laboratory (NRL))  Advanced Optical Materials and Devices at NRL
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79 Apr. 28 (Fri.), 02:30 PM  E6-2. 1st fl. #1323  Dr. JeongYoung Park Graduate School of EEWS, KAIST  Hot electron generation at surfaces and its impact to catalysis and renewable energy conversion
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76 May. 12 (Fri.), 01:30 PM  E6-2. 1st fl. #1323  Dr. Young Kuk Kim  Topological Dirac insulator
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