Publications

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Ho, YK, Fraser PA.  1975.  The importance of being correctly polarizable. Journal of Physics B: Atomic and Molecular Physics. 8:L230., Number 11: IOP Publishing Abstract1975_2.pdf

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Ho, YK, Henry RJW.  1983.  Oscillator strengths and collision strengths for O II and O III. The Astrophysical Journal. 264:733–739. Abstract1983_3.pdf

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Ho, YK.  1986.  Binding energy of positronium molecules. Physical review. A, General physics. 33:3584–3587., Number 5: American Institute of Physics Abstract1986_3.pdf

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Ho, YK.  1990.  Resonances in H\^{}$\{$-$\}$ associated with the N= 7 hydrogen threshold. Physical Review A. 41:1492., Number 3: APS Abstract1990_6.pdf

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Ho, YK.  1995.  Electric-field effects on doubly excited states of H\^{}$\{$-$\}$ between the N= 3 and N= 4 thresholds of hydrogen atoms. Physical Review A. 52:2062., Number 3: APS Abstract1995_1.pdf

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Ho, YK.  1993.  Doubly excited\^{}$\{$3$\}$ P\^{}$\{$o$\}$ resonance states of He below the N= 2 and N= 3 He\^{}$\{$+$\}$ thresholds. Physical Review A. 48:3598., Number 5: APS Abstract1993_4.pdf

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Ho, YK.  1996.  Resonances in ${\mathit{e}}^{+}$-${\mathrm{He}}^{+}$ scattering, May. Phys. Rev. A. 53:3165–3168.: American Physical Society Abstract1996_1.pdfWebsite

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Ho, YK.  2008.  Atomic resonances involving positrons. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 266:516-521., Number 3 Abstract2008_1.pdfWebsite

The recent theoretical studies of atomic resonances involving positrons are reviewed. The topics under discussions are the doubly-excited states of the positronium negative ion and resonance scattering in e+–H, e+–He+, Ps–H, e+–He, e+–Li, e+–Na and e+–K.

Ho, YK.  1981.  Improved Hylleraas calculations for ground state energies of lithium ISO–electronic sequence. International Journal of Quantum Chemistry. 20:1077–1082., Number 5: Wiley Online Library Abstract1981_2.pdf

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Ho, YK.  1996.  Strong electric-field effects on the doubly-excited intrashell states of He below the He+(N= 2) threshold. Zeitschrift für Physik D Atoms, Molecules and Clusters. 38:191–196., Number 3: Springer Abstract
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Ho, YK, Bhatia AK.  1993.  P-wave shape resonances in positronium ions. Physical review. A. 47:1497–1499., Number 2: American Physical Society Abstract1993_5.pdf

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Ho, YK, Yan Z-C.  1998.  A-wave resonance in positronium-hydrogen scattering. Journal of Physics B: Atomic, Molecular and Optical Physics. 31:L877–L882., Number 20: IOP Publishing Abstract1998_1.pdf

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Ho, YK.  1980.  The 1po(1) and 3po(1) resonances of H− associated with the n=3 hydrogenic threshold. Physics Letters A. 77:147-149., Number 2–3 Abstract1980_1.pdfWebsite

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Ho, YK.  1984.  On the autoionisation width of the 2s2p3P0 doubly excited resonant state of helium. Journal of Physics B: Atomic and Molecular Physics. 17:L695., Number 21: IOP Publishing Abstract1984_3.pdf

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Ho, YK.  1988.  Positron-hydrogen resonances associated with the positronium N= 3 and hydrogen N= 4 thresholds. Physical Review A. 38:6424., Number 12: APS Abstract1988_2.pdf

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Ho, YK.  1998.  Magnetic-field-induced linear Stark effect for doubly excited and states of. Journal of Physics B: Atomic, Molecular and Optical Physics. 31:4599., Number 20: IOP Publishing Abstract1998_8.pdf

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Ho, YK.  1992.  High-lying doubly excited 1Po states of H. Physical Review A. 45:148–153. Abstract1992_2.pdf

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Ho, YK, Bhatia AK.  1997.  Doubly-excited states in helium-like systems. Journal of Physics B: Atomic, Molecular and Optical Physics. 30:3597., Number 16: IOP Publishing Abstract1997_1.pdf

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Ho, YK.  1979.  Autoionization states of the positronium negative ion. Physical Review A. 19:2347., Number 6: APS Abstract1979_2.pdf

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Ho, YK.  1984.  Doubly excited resonances of positronium negative ions. Physics Letters A. 102:348–350., Number 8: Elsevier Abstract1984_2.pdf

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