Search Results - "Chan, Hyeong Kim"

Entropy of self-gravitating anisotropic matter by Kim, Hyeong-Chan, Lee, Youngone

“…We examine the entropy of self-gravitating anisotropic matter confined to a box in the context of general relativity. The configuration of self-gravitating…”
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Growth of a black hole on a self-gravitating radiation by Kim, Hyeong-Chan

“…We feed a black hole on a self-gravitating radiation and observe what happens during the process. Considering a spherical shell of radiation, we show that the…”
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Erratum to: Entropy of self-gravitating anisotropic matter by Kim, Hyeong-Chan, Lee, Youngone

“…The equation (45) should read…”
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Radial acceleration relation from ultra-light scalar dark matter by Lee, Jae-Weon, Kim, Hyeong-Chan, Lee, Jungjai

“…We show that ultra-light scalar dark matter (fuzzy dark matter) in galaxies has a quantum mechanical typical acceleration scale about 10−10ms−2, which leads to…”
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Equation of state in the presence of gravity by Kim, Hyeong-Chan, Kang, Gungwon

“…We investigate how an equation of state for matter is affected when a gravity is present. For this purpose, we consider a box of ideal gas in the presence of…”
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Holographic Dark Energy and Quantum Entanglement by Lee, Jae-Weon, Kim, Hyeong-Chan, Lee, Jungjai

“…In this paper, we briefly review the holographic dark energy model and introduce the idea that dark energy is a kind of thermal energy related to the quantum…”
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Gamma electron vertex imaging and application to beam range verification in proton therapy by Hyeong Kim, Chan, Hyung Park, Jin, Seo, Hee, Rim Lee, Han

“…Purpose: This paper describes a new gamma-ray imaging method, “gamma electron vertex imaging (GEVI),” which can be used for precise beam range verification in…”
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Daily Based Quality Assurance of Volumetric Modulated Arc Therapy for the Full Session of Treatment by Rahman, Mohammad Mahfujur, Kim, Chan Hyeong, Kim, Seonghoon

“…Volumetric modulated arc therapy (VMAT) with highly complex advanced delivering technique, is widely practiced in radiation therapy and requires a quality…”
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Korean anatomical reference data for adults for use in radiological protection by Choi, Chansoo, Yeom, Yeon Soo, Nguyen, Thang Tat, Lee, Hanjin, Han, Haegin, Shin, Bangho, Zhang, Xujia, Kim, Chan Hyeong, Chung, Beom Sun

“…For radiological protection from exposure to ionizing radiation, in which a population-averaged dose evaluation is used, establishing a system of reference…”
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Tackling range uncertainty in proton therapy: Development and evaluation of a new multi-slit prompt-gamma camera (MSPGC) system by Youngmo Ku, Sehoon Choi, Jaeho Cho, Sehyun Jang, Jong Hwi Jeong, Sung Hun Kim, Sungkoo Cho, Chan Hyeong Kim

“…In theory, the sharp dose falloff at the distal end of a proton beam allows for high conformal dose to the target. However, conformity has not been fully…”
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Development of simultaneous multi-channel data acquisition system for large-area Compton camera (LACC) by Junyoung Lee, Youngmo Ku, Sehoon Choi, Goeun Lee, Taehyeon Eom, Hyun Su Lee, Jae Hyeon Kim, Chan Hyeong Kim

“…The large-area Compton camera (LACC), featuring significantly high detection sensitivity, was developed for high-speed localization of gamma-ray sources. Due…”
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Nonadiabaticity of quantum harmonic oscillators by Kim, Hyeong-Chan, Lee, Youngone

“…•New method for analyzing thermodynamic processes using the Ermakov-Lewis-Riesenfeld invariant is suggested.•We propose a measure describing the…”
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Photon dose response functions for accurate skeletal dosimetry for Korean and Asian populations by Bangho Shin, Chansoo Choi, Rui Qiu, Suhyeon Kim, Hyeonil Kim, Sungho Moon, Gahee Son, Jaehyo Kim, Haegin Han, Yeon Soo Yeom, Chan Hyeong Kim

“…To enhance skeletal dosimetry in conjunction with the adult mesh-type reference Korean phantoms (MRKPs), Korean/Asian photon fluence-to-skeletal dose response…”
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Implication of ICRP pediatric reference voxel phantoms on dose assessment of patients in radioiodine therapy by Soo Min Lee, Chansoo Choi, Ji Won Choi, Chul Hee Min, Seulki Ko, Bangho Shin, Chan Hyeong Kim, Yeon Soo Yeom

“…To investigate the impact of the recently released pediatric reference voxel phantoms (0-, 1-, 5-, 10-, 15-year-old males and females) of the International…”
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Valve-Sparing Neo-Aortic Root Replacement for Neo-Aortic Root Dilatation 20 Years after Arterial Switch Operation for Transposition of the Great Arteries: A Case Report by Sangjun Lee, Chan Hyeong Kim, Jae Hong Lee, Jae Gun Kwak

“…A 25-year-old man returned to Seoul National University Children's Hospital with mild dyspnea on exertion. He had undergone an arterial switch operation at 1…”
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Steady heat conduction in general relativity by Kim, Hyeong-Chan

“…Abstract We investigate the steady state of heat conduction in general relativity using a variational approach for two-fluid dynamics. We adopt coordinates…”
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Temperature upper bound of an ideal gas by Kim, Hyeong-Chan

“…We study thermodynamics of a heat-conducting ideal gas system. The study is based on i) the first law of thermodynamics from action formulation which expects…”
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Calculation of local skin doses with ICRP adult mesh-type reference computational phantoms by Yeom, Yeon Soo, Han, Haegin, Choi, Chansoo, Nguyen, Thang Tat, Lee, Hanjin, Shin, Bangho, Kim, Chan Hyeong, Han, Min Cheol

“…Recently, Task Group 103 of the International Commission on Radiological Protection (ICRP) developed new mesh-type reference computational phantoms (MRCPs) for…”
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Construction of new skin models and calculation of skin dose coefficients for electron exposures by Yeom, Yeon Soo, Kim, Chan Hyeong, Nguyen, Thang Tat, Choi, Chansoo, Han, Min Cheol, Jeong, Jong Hwi

“…The voxel-type reference phantoms of the International Commission on Radiological Protection (ICRP), due to their limited voxel resolutions, cannot represent…”
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Precursor of inflation by Cho, Inyong, Kim, Hyeong-Chan, Moon, Taeyoon

“…We investigate a nonsingular initial state of the Universe which leads to inflation naturally. The model is described by a scalar field with a quadratic…”
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