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2,677 results on '"Kim, Hae Won"'

219. Quantum Monte Carlo: Reduction of time‐step error with the wave function correction method.

Author

Kim, Hae‐Won and Anderson, James B.

Subjects
*WAVE functions, *ERROR functions, *QUANTUM Monte Carlo method, *GROUND state energy, *HARMONIC oscillators, *GROWTH factors, *SCHRODINGER equation
Abstract

We compare the accuracy and precision of the wave function correction method to that of traditional diffusion quantum Monte Carlo (traditional DQMC) simulations. Direct calculation of corrections to trial wave functions reduces time step error for Be and Ne electronic ground state energies when compared to traditional DQMC results. The fixed‐node method is utilized for these fermionic systems, so error due to incorrect node locations is not addressed. This correction DQMC method achieves more accurate energies at larger time steps, promising decreased computational cost to reach a given accuracy. For an optimized Be trial wave function, the statistical uncertainty per unit of computational effort is also reduced relative to traditional DQMC. Correction DQMC utilizes walker feed integrals and growth factors, as reported previously. We illustrate the method in a simple harmonic oscillator example, and we report high accuracy energies for Be and Ne at several time steps. [ABSTRACT FROM AUTHOR]

Published
2023
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229. Hyperelastic, shape‐memorable, and ultra‐cell‐adhesive degradable polycaprolactone‐polyurethane copolymer for tissue regeneration

Author

Hong, Suk‐Min, primary, Yoon, Ji‐Young, additional, Cha, Jae‐Ryung, additional, Ahn, Junyong, additional, Mandakhbayar, Nandin, additional, Park, Jeong Hui, additional, Im, Junseop, additional, Jin, Gangshi, additional, Kim, Moon‐Young, additional, Knowles, Jonathan C., additional, Lee, Hae‐Hyoung, additional, Lee, Jung‐Hwan, additional, and Kim, Hae‐Won, additional

Published
2022
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240. Additional file 1 of Improved gliotransmission by increasing intracellular Ca2+ via TRPV1 on multi-walled carbon nanotube platforms

Author

Lee, Won-Seok, Kang, Ji-Hye, Lee, Jung-Hwan, Kim, Yoo Sung, Kim, Jongmin Joseph, Kim, Han-Sem, Kim, Hae-Won, Shin, Ueon Sang, and Yoon, Bo-Eun

Abstract

Additional file 1: Figure S1. Description of materials and methods; colloidal stability of f-CNT samples by cycles. Figure S2. Characterization of FT-IR and TGA of pristine CNT, f-CNT 100 and f-CNT 1000. Figure S3. XPS full spectrum of the substrate before, during, and after functionalized CNT and contact angle of 12, 30 mm glass. Figure S4. Photograph of 12- and 30-mm glass substrates before and after f-CNT coating. Figure S5. Additional AFM images of glass substrates coated with or without CNT. Figure S6. Low magnification FE-SEM images of 12- and 30-mm glass substrates. Figure S7. Yap expression of astrocyte on CNT platforms. Figures S8. Glutamate uptake of astrocytes on CNT platforms.

Published
2022
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242. Blood Substitutes

Author

Greenburg, A. Gerson, Kim, Hae Won, Baue, Arthur E., editor, Faist, Eugen, editor, and Fry, Donald E., editor

Published
2000
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245. Intercultural team teaching as a pedagogical model for intercultural collaboration in global theological education

Author

Kim, Hae-Won

Subjects
Religious education -- Methods -- International aspects, Intercultural education -- Methods, Mass instruction -- Models, Education, Philosophy and religion
Abstract

Abstract: The concept of team teaching is not new, but based on her qualitative research findings the author has conceptualized intercultural team teaching in the field of theological education and [...]

Published
2015

246. Core clinical symptoms and suicidal ideation in patients with obsessive–compulsive disorder: A network analysis.

Author

Kim, Shin Tae, Seo, Jun Ho, Park, Chun Il, Kim, Hae Won, Boo, Young Jun, Kim, Heeyeon, Jeon, Sumoa, Kang, Jee In, and Kim, Se Joo

Subjects
OBSESSIVE-compulsive disorder, SUICIDAL ideation, COMPULSIVE behavior, SYMPTOMS, COMPULSIVE shopping
Abstract

Introduction: Suicidality in obsessive‐compulsive disorder (OCD) is underestimated and it is important for clinicians to understand the factors that contribute to suicidal ideation. The present study aimed to estimate a network of the core clinical symptoms of OCD including obsessions, compulsions, and obsessive–compulsive (OC) symptom dimensions, depressive symptoms, and psychological traits, and to examine which symptoms contribute to suicidal ideation in patients with a primary diagnosis of obsessive–compulsive disorder. Methods: A total of 444 patients with OCD were assessed with the Yale–Brown Obsessive‐Compulsive Scale, the Montgomery–Asberg Depression Rating Scale, and various other measures. Network analysis was conducted to estimate the network of obsessive–compulsive and depressive symptoms, psychological traits including alexithymia and impulsivity, and demographic covariates. Symptoms directly related to suicidal ideation in the network were examined for their relative contribution to suicidal ideation. Results: Suicidal ideation was directly related to degree of control over compulsive behaviors, distress associated with compulsive behaviors, time spent performing compulsive behaviors, and unacceptable thoughts, along with depressive symptoms and alexithymia. In the network of OC and depressive symptoms the most central symptoms among the former were interference due to compulsive behaviors and interference due to obsessive thoughts, and among the latter were pessimistic thoughts and reported sadness. Conclusion: The findings suggest that along with depressive symptoms and alexithymia, compulsions and unacceptable thoughts dimension may contribute to suicidality, and thus, should be carefully monitored in patients with OCD. [ABSTRACT FROM AUTHOR]

Published
2023
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