Institute of Atomic and molecular Sciences - People / Faculty / Yew Kam Ho / Research Result

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Research Result - Dr. Yew Kam Ho

Atomic Physics and Optical Science

THEORETICAL ATOMIC COLLISIONS LABORATORY
Supervisor :  Dr. Yew Kam Ho
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2015

Li-Guang Jiao, Yew Kam Ho (2015), Computation of two-electron screened Coulomb potential integrals in Hylleraas basis, Computer Physics Communications 188, 140–147.
Ye Ning, Zong-Chao Yan, and Yew Kam Ho (2015), An investigation of resonances in e+-H scattering embedded in Debye plasm, Physics of Plasmas 22, 013302.
Li-Guang Jiao_and Yew Kam Ho (2015), Application of Lowdin's Canonical Orthogonalization Method to the Slater-type orbital Configuration-interaction Basis, Int. J. Quantum Chem., 115, 434–441.
Yen-Chang Lin, Te-Kuei Fang, and Yew Kam Ho (2015), Quantum entanglement for helium atom in the Debye plasmas, Physics of Plasmas 22, 032113.
Hsuan Tung Peng and Yew Kam Ho (2015), Statistical Correlations of the N-particle Moshinsky Model, Entropy 17, 1882-1895.
Yen-Chang Lin and Yew Kam Ho (2015), Quantum entanglement for two electrons in the excited states of helium-like systems, Can. J. Phys. 93, 646–653.
Chien-Hao Lin and Yew Kam Ho (2015), Quantification of Entanglement Entropies for Doubly Excited States in Helium, Few-Body Systems 56, 157–163.
Chien-Hao Lin and Yew Kam Ho (2015), Shannon information entropy in position space for two-electron atomic systems, Chem. Phys. Lett. 633, 261–264.
M. K. Pandey, Y.-C. Lin, and Y. K. Ho (2015) An investigation of antiprotons collisions with positronium atom in Debye plasma environments, Physics of Plasmas. 22, 052104.
Yen-Chang Lin, Chih-Yuan Lin, and Yew Kam Ho (2015), Spectral/Structural Data of Helium Atoms with Exponential-Cosine-Screened Coulomb Potentials. Int. J. Quantum Chem. 115, 830-836.
H.-T. Peng and Y. K. Ho (2015), Entanglement for Excited States of Ultracold Bosonic Atoms in One-Dimensional Harmonic Traps with Contact Interaction, Mod. Phys. Lett. B 29, 1550189.
Chien-Hao Lin and Yew Kam Ho (2015), Quantum Entanglement and Shannon Information Entropy for the Doubly Excited Resonance State in Positronium Negative Ion, Atoms 3, 422-432.
Ye Ning, Z.-C. Yan and Y. K. Ho (2016), Natural and unnatural parity resonance states in the positron-hydrogen system with screened coulomb interactions, Atoms 4, 3 (18pp).

2016

M. K. Pandey, Y.-C. Lin, and Y. K. Ho (2016), Positronium formation in positron and alkali-metal atoms (Li, Na, K, Rb, & Cs) collisions in Debye plasma environments, J. Phys. B, At. Mol. Opt. Phys. 49 (2016) 034007 (13pp).
M. K. Pandey, Y.-C. Lin, and Y. K. Ho (2016), Classical analysis of angular differential and total cross sections for charge transfer and ionization in He-like systems-Helium atom collisions, Chin. J. Phys. 54, 175-184.
Y. K. Ho and S. Kar (2016), High-lying doubly excited resonances in Ps- interacting with screened Coulomb potentials, Chin. J. Phys. 54, 574 - 581.
Sabyasachi Kar, Yang Wang, Y. K. Ho, and Zishi Jiang (2016), Resonant Compton Scattering of Photons by Helium Atoms in Lorentzian Astrophysical Plasmas, Few-Body Syst. 57, 1139–1145.
Arijit Ghoshal and Yew Kam Ho (2016), S-wave resonances below the Ps(n=2) excitation threshold of the e+-He system embedded in Debye plasma, EPJD, 70, 265

2017

M. K. Pandey, Y.-C. Lin, and Y. K. Ho (2017), Effects of weakly coupled and dense quantum plasmas environments on charge exchange and ionization processes in Na+ + Rb(5s) atom collisions, Eur. Phys. J. D. 71, 39
Arijit Ghoshal and Yew Kam Ho (2017), An investigation on the He- (1s2s2 2S) resonance in Debye plasmas, Atoms 5, 2.
Arijit Ghoshal and Yew Kam Ho (2017), Resonances below the Ps (n = 2) excitation threshold of the e+−He (1s2s 3Se) system interacting with screened potentials, J. Phys. B: At. Mol. Opt. Phys. 50, 075001 (7pp).
Jen Hao Ou and Yew Kam Ho (2017), Shannon information entropy in position space for ground state and singly excited states of helium with finite confinements. ATOMS 5, 15.
Arijit Ghoshal and Yew Kam Ho (2017), Resonances below the Ps(n = 2) excitation threshold of the e+−Li system interacting with screened potentials, PHYSICAL REVIEW A 95, 052502.
L. G. Jiao, L. R. Zan, Y. Z. Zhang, and Y. K. Ho (2017), Benchmark values of Shannon entropy for spherically conﬁned hydrogen atom, International Journal of Quantum Chemistry 117, 25375.
Arijit Ghoshal and Yew Kam Ho (2017), S-Wave Resonances Below the Ps(n=2) Excitation Threshold of the Positron–Helium System Embedded in Dense Quantum Plasma, Few-Body Systems 58, 138.
Rong Mei Yu, Li Rong Zan, Li Guang Jiao, Yew Kam Ho (2017), Benchmark calculation of radial expectation value for confined hydrogen-like atoms and isotropic harmonic oscillators, Few-Body Systems 58, 52 (2017).
J. H. Ou and Y. K. Ho (2017), Shannon information entropy in position space for doubly excited states of helium with finite confinements, Chem. Phys. Letters 689, 116–120
Li Rong Zan, Li Guang Jiao, Jia Ma, and Yew Kam Ho (2017), "Information-theoretic measures of hydrogen-like ions in weakly-coupled Debye plasmas," Physics of Plasmas 24, 122101.

2018

S. Kar and Y. K. Ho (2018), “Polarizability of Negatively Charged Heliumlike Ions Interacting with Coulomb and Screened Coulomb potentials," International Journal of Quantum Chemistry 118, e25515.
Sabyasachi Kar, Yu-Shu Wang, Yang Wang, and Yew Kam Ho (2018), "Tune-out wavelengths for helium-like ions in plasma environments," Canadian J. Phys. 96, 633–641 (2018).
S. Kar and Y. K. Ho (2018), “Excitons and the positronium negative ion – Comparison of spectroscopic properties,” in: S.L. Pyshkin (Ed.), Excitons, INTECH, pp. 69–90, Chapter 5.
Sabyasachi Kar and Yew Kam Ho (2018), A new 1Po shape resonance in Ps− above the Ps(N=3) threshold, Phys. Lett. A 382, 1787–1790.
Li Guang Jiao, Li R Zan, Lin Zhu and Yew Kam Ho (2018), Full configuration-interaction calculations of the angular quantities for helium atom, Computational and Theoretical Chemistry 1135, 1–5.
Arijit Ghoshal and Yew Kam Ho (2018), Resonances in Positronic Lithium under Quantum Plasmas, Jurnal Fizik Malaysia 39, 20001-20012.
Arijit Ghoshal and Yew Kam Ho (2018) Doubly-excited states of beryllium-like ions with screened Coulomb potentials, Atoms 2018, 6, 41
Sabyasachi Kar and Yew Kam Ho (2018), Two-photon double-electron D-wave resonant excitation in the positronium negative ion, EPJD 72, 193.
Sabyasachi Kar, Zishi Jiang, Yang Wang, Yu-Shu Wang, and Yew Kam Ho (2018), Potential-screening on atomic wavelengths, Chinese Journal of Physics 56, 3085-3098.
Z.-C. Yan and Yew Kam Ho (2018), Triply-excited resonance states in the positron-helium system, Phys. Rev. A 98, 062702.

2019

Sabyasachi Kar, Yu-Shu Wang, and Yew Kam Ho (2019), Critical stability for wo-electron ions with Yukawa potentials and varying Z, Phys. Rev. A 99, 042514.
J. H. Ou and Y. K. Ho (2019) Benchmark calculations of Renyi, Tsallis entropies and Onicescu information energy for ground state helium using correlated Hylleraas wave functions, IJQC 2019, e25928.
Sabyasachi Kar, Yu-Shu Wang, Yang Wang, Yew Kam Ho (2019), Critical Stability of the Negatively Charged Positronium-like ions with Yukawa Potentials and Varying Z, Atoms 7, 53.
Li Guang Jiao, Li Rong Zan, Lin Zhu, Jia Ma, and Yew Kam Ho (2019), Accurate computation of screened Coulomb potential integrals in numerical Hartree–Fock programs, Comp. Phys. Comm. 244, 217–227
Jen-Hao Ou and Yew Kam Ho (2019), Shannon, Rényi, Tsallis Entropies and Onicescu Information Energy for Low-Lying Singly Excited States of Helium, Atoms 7, 70.
Li Guang Jiao, Li Rong Zan, Lin Zhuao, Yong Zhi Zhang, and Yew Kam Ho (2019), High-precision calculation of the geometric quantities of two-electron atoms based on Hylleraas configuration-interaction basis, Phys. Rev. A 100, 022509.
Nirvik Masanta, Arijit Ghoshal, and Yew Kam Ho (2019), S-wave resonances below the Ps(n=2) threshold in positronic sodium interacting with screened Coulomb potentials, Indian J. Phys (2019). https://doi.org/10.1007/s12648-019-01609-1

2020

Yu-Shu Wang, Sabyasachi Kar, and Yew Kam Ho (2020), Tune-out and magic wavelengths for the hydrogenlike systems, Int, J. Quan. Chem. 2020;120:e26115
Lin Zhu, Yu Ying He, and Li Guang Jiao, Yuan Cheng Wang, and Yew Kam Ho (2020), Revisiting the generalized pseudospectral method: The radial expectation values, fine structure, and hyperfine splitting of confined atom, Int J Quantum Chem. 2020;120:e26245
Yong Zhi Zhang, Ya Chen Gao, Li Guang Jiao, Fang Liu, and Yew Kam Ho (2020), Linear dependence in Hylleraas configuration-interaction calculations, Int J Quantum Chem.2020;120: e26136.
Sabyasachi Kar and Yew Kam Ho (2020), Calculations of Resonance Parameters for the Doubly Excited 1Po States in Ps- Using Exponentially Correlated Wave Functions, Atoms 8, 1.
JLin Zhu, Yu Ying He, Li Guang Jiao, Yuan Cheng Wang, and Yew Kam Ho (2020), Accurate calculation of multipole polarizabilities for one-electron atom in Debye plasmas, Physics of Plasmas 27, 072101.
Sabyasachi Kar, Yang Wang, and Yew Kam Ho (2020), Triplet P states in Ps- using correlated exponential wave functions, to be published.

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Institute of Atomic and Molecular Sciences Academia Sinica

Research Result - Dr. Yew Kam Ho