Ng, Kin-Wang / Research Fellow

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Contact Information

Education

  • Ph.D., University of Minnesota, USA.

Secretary

Sam, Svetlana CY. / 886-2-2789-8386

samcy [at] phys.sinica.edu.tw

Research Interest

  • Particle astrophysics and cosmology
  • early universe
  • inflationary cosmology and quantum fluctuations
  • dark matter
  • cosmic microwave background

Experience

  • Postdoctoral Fellow, Academia Sinica; Assistant Research Fellow, Academia Sinica
  • Adjunct Associate Professor, National Central University
  • Adjunct Associate Research Fellow, Institute of Astronomy and Astrophysics, Academia Sinica
  • Honor, Research Award, National Science Council
  • Young Research Award, Academia Sinica

Research Achievements

Journal Papers

  • [1]     Liu Guo-Chin, Ng Kin-Wang, 2022, “Timing-residual power spectrum of a polarized stochastic gravitational-wave background in pulsar-timing-array observation”, Physical Review D, 106(6), 064004. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [2]     Ng Kin-Wang, 2022, “Redshift-space fluctuations in stochastic gravitational wave background”, Physical Review D, 106(4), 043505. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [3]     Cheng Shu-Lin, Lee Da-Shin, Ng Kin-Wang, 2022, “Power spectrum of primordial perturbations during ultra-slow-roll inflation with back reaction effects”, Physics Letters B, 827, 136956. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [4]     Bernardo Reginald Christian, Ng Kin-Wang, 2022, “Pulsar and cosmic variances of pulsar timing-array correlation measurements of the stochastic gravitational wave background”, Journal of Cosmology and Astroparticle Physics, 2022(11), 046. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [5]     Chu Yu-Kuang, Liu Guo-Chin, Ng Kin-Wang, 2021, “Observation of a polarized stochastic gravitational-wave background in pulsar-timing-array experiments”, Physical Review D, 104(12), 124018. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [6]     Ng Kin-Wang, Wu Yi-Peng, 2021, “Constant-rate inflation: primordial black holes from conformal weight transitions”, Journal of High Energy Physics, 2021(11), 1-25. (SCIE) (IF: 5.81; SCI ranking: 17.2%)

  • [7]     Teng Yu-Ping, Lee Wolung, Ng Kin-Wang, 2021, “Constraining the dark-energy equation of state with cosmological data”, Physical Review D, 104(8), 1-7. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [8]     Chu Yu-Kuang, Liu Guo-Chin, Ng Kin-Wang, 2021, “Spherical harmonic analysis of anisotropies in polarized stochastic gravitational-wave background with interferometry experiments”, Physical Review D, 103(6), 1-16. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [9]     H.-T. Cho and K.-W. Ng, 2020, “Electromagnetic coupling effects in natural inflation”, Class. Quan- tum Grav., 37, 165011(1-20).

  • [10]     P.-W. Chang, C.-W. Chiang, and K.-W. Ng, 2020, “Thermal loop effects on large-scale curvature perturbation in the Higgs inflation”, High Energy Phys., 04, 163(1-21).

  • [11]     W.-C. Syu, D.-S. Lee, and K.-W. Ng, 2020, “Quantum loop effects to the power spectrum of primordial perturbations during ultra slow-roll inflation”, Phys. Rev. D, 101, 025013(1-13). (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [12]     Huang Wei-Chih, Ng Kin-Wang, Yuan Tzu-Chiang, 2020, “Circularly polarized gamma rays in effective dark matter theory”, Physics Letters B, 800 135104. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [13]     Lin Chia-Min, Ng Kin-Wang, Cheung Kingman, 2019, “Chaotic inflation on the brane and the swampland criteria”, Physical Review D, 100(2). (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [14]     Cheng Shu-Lin, Lee Wolung, Ng Kin-Wang, 2019, “Superhorizon curvature perturbation in ultraslow-roll inflation”, Physical Review D, 99(6). (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [15]     Levshakov S A, Ng K-W, Henkel C, Mookerjea B, Agafonova I I, Liu S-Y, Wang W-H, 2019, “Testing the weak equivalence principle by differential measurements of fundamental constants in the Magellanic Clouds”, Monthly Notices of the Royal Astronomical Society, 487(4) 5175-5187. (SCIE) (IF: 5.287; SCI ranking: 23.5%)

  • [16]     Cheung Kingman, Kuo Jui-Lin, Ng Kin-Wang, Tsai Yue-Lin Sming, 2019, “The impact of EDGES 21-cm data on dark matter interactions”, Physics Letters B, 789 137-144. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [17]     Chia-Chun Chang, Wolung Lee, Kin-Wang Ng, 2018, “Spherical collapse models with clustered dark energy”, PHYSICS OF THE DARK UNIVERSE, 19, 12-20. (SCIE) (IF: 4.243; SCI ranking: 30.9%)

  • [18]     Huang Wei-Chih, Ng Kin-Wang, 2018, “Polarized gamma rays from dark matter annihilations”, Physics Letters B, 783 29-35. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [19]     Cheng Shu-Lin, Lee Wolung, Ng Kin-Wang, 2018, “Primordial black holes and associated gravitational waves in axion monodromy inflation”, Journal of Cosmology and Astroparticle Physics, 2018(07) 001-001. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [20]     Huitzu Tu, Kin-Wang Ng, 2017, “Supernovae and Weinberg’s Higgs portal dark radiation and dark matter”, JOURNAL OF HIGH ENERGY PHYSICS, 07(108), 1-21. (SCIE) (IF: 5.81; SCI ranking: 17.2%)

  • [21]     S.A. Levshakov, K. -W. Ng, C. Henkel, B. Mookerjea, 2017, “[CI], [CII] and CO emission lines as a probe for alpha variations at low and high redshifts”, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 471, 2143-2150. (SCIE) (IF: 5.287; SCI ranking: 23.5%)

  • [22]     Jen-Tsung Hsiang, L.H. Ford, Kin-Wang Ng, Chun-Hsien Wu, 2017, “Quantum stress tensor fluctuations and primordial gravity waves”, PHYSICAL REVIEW D, 95(6), 063524-1-063524-19. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [23]     Guo-Chin Liu, Kin-Wang Ng, 2017, “Axion dark matter induced cosmic microwave background B-modes”, PHYSICS OF THE DARK UNIVERSE, 16, 22-25. (SCIE) (IF: 4.243; SCI ranking: 30.9%)

  • [24]     Shu-Lin Cheng, Wolung Lee, Kin-Wang Ng, 2017, “Production of high stellar-mass primordial black holes in trapped inflation”, JOURNAL OF HIGH ENERGY PHYSICS, 02(008), 1-11. (SCIE) (IF: 5.81; SCI ranking: 17.2%)

  • [25]     Seokcheon Lee, Guo-Chin Liu, Kin-Wang Ng, 2016, “Dark ultra-light scalars and cosmic parity violation”, Universe, 4, 29-44. (SCIE) (IF: 2.278; SCI ranking: 51.5%,55.2%)

  • [26]     Huitzu Tu, Kin-Wang Ng , 2016, “Effects of Goldstone Bosons on Gamma-Ray Bursts ”, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 3, 037. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [27]     Shu-Lin Cheng, Wolung Lee, Kin-Wang Ng , 2016, “Numerical study of pseudoscalar inflation with an axion-gauge field coupling ”, PHYSICAL REVIEW D, 6, 063510. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [28]     Shu-Lin Cheng, Wolung Lee, Kin-Wang Ng, 2015, “Inflationary dilaton-axion magnetogenesis ”, CHINESE JOURNAL OF PHYSICS, 53(6), 110105-(1-14). (SCIE) (IF: 3.237; SCI ranking: 33.7%)

  • [29]     Seokcheon Lee, Guo-Chin Liu, Kin-Wang Ng, 2015, “Cosmic Birefringence Fluctuations and Cosmic Microwave Background B-mode Polarization”, PHYSICS LETTERS B, 746, 406-409. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [30]     Hing-Tong Cho, Kin-Wang Ng, I-Chin Wang, 2014, “Inflaton fluctuations in the presence of cosmological defects”, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 11, 023. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [31]     G.-C. Liu, K.-W. Ng, I-C. Wang, 2014, “Naturally large tensor-to-scalar ratio in inflation”, PHYSICAL REVIEW D, 90(10), 103531. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [32]     Kin-Wang Ng, Huitzu Tu, Tzu-Chiang Yuan, 2014, “Supernova bounds on Weinberg’s Goldstone bosons”, PHYSICAL REVIEW D, 90, 075014. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [33]     Kin-Wang Ng, Huitzu Tu, Tzu-Chiang Yuan, 2014, “Dark photons as fractional cosmic neutrino masquerader”, Journal of Cosmology and Astroparticle Physics, 09, 035. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [34]     W. Lu, W. Lee, K.-W. Ng, 2014, “Teleparallel Poincar ́e cosmology and ΛCDM model”, INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 23 (6) 1450057. (SCIE) (IF: 2.461; SCI ranking: 50%)

  • [35]     Seokcheon Lee, Guo-Chin Liu, Kin-Wang Ng, 2014, “Imprint of scalar dark energy on cosmic microwave background polarization”, PHYSICAL REVIEW D, 89, 063010. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [36]     C.-M. Lin, K.-W. Ng, 2013, “Primordial black holes from passive density fluctuations”, PHYSICS LETTERS B, 718(4-5), 1181-1185. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [37]     K.-W. Ng, 2012, “Damping of tensor modes in inflation”, Phys. Rev. D, 86(10), 103510. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [38]     Seokcheon Lee, Kin-Wang Ng, 2012, “Growth Index with the Cosmological Constant”, CHINESE JOURNAL OF PHYSICS, 50(3), 367-374. (SCIE) (IF: 3.237; SCI ranking: 33.7%)

  • [39]     C.-H. Wu, J.-T. Hsiang, L. Ford, K.-W. Ng, 2011, “Gravity waves from quantum stress tensor fluctuations in infaltion”, Phys. Rev. D, 84(10),103515. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [40]     D.-S. Lee, Y.-Y. Charng, K.-W. Ng, 2011, “Photon production from non-equilibrium disoriented chiral condensates in a longitudinal expansion: A theoretical framework”, PHYSICS LETTERS B, 705(5), 487-492. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [41]     W. Lee, K.-W. Ng, I-C. Wang, C.-H. Wu, 2011, “Trapping effects on inflation”, Phys. Rev. D, 84(6),063527. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [42]     G.-C. Liu, K.-W. Ng, and U.-L. Pen, 2011, “Improved dark energy detection through the polarization-assisted WMAP-NVSS ISW correlation”, Phys. Rev. D, 83, 063001. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [43]     K.-W. Ng and S.-Y. Wang, 2011, “Collapse of vacuum bubbles in a vacuum”, Phys. Rev. D, 83, 043512. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [44]     Hing-Tong Cho, Kin-Wang Ng, I-Chin Wang, 2011, “Scalar field fluctuations in Schwarzschild–de Sitter spacetime”, CLASSICAL AND QUANTUM GRAVITY, 28, 055004. (SCIE) (IF: 3.528; SCI ranking: 36.8%,30.2%,47.1%,31%)

  • [45]     Lee S; Ng KW, 2010, “Spherical collapse model with non-clustering dark energy”, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 10, 028. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [46]     Lee S; Ng KW, 2010, “Properties of the exact analytic solution of the growth factor and its applications”, PHYSICAL REVIEW D, 82(4), 043004. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [47]     L. H. Ford, S.-P. Miao, K.-W. Ng, R. P. Woodard, and C.-H. Wu, 2010, “uantum stress tensor fluctuations of a conformal field and inflationary cosmology”, Phys. Rev. D, 82, 043501. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [48]     I-Chin Wang, Kin-Wang Ng, 2008, “Effects of a preinflation radiation-dominated epoch to CMB anisotropy”, Physical Review D, 77, 083501. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [49]     Chun-Hsien Wu, Kin-Wang Ng, L. H. Ford, 2007, “Possible constraints on the duration of inflationary expansion from quantum stress tensor fluctuations”, Physical Review D, 75, 103502. (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [50]     Chun-Hsien Wu, Kin-Wang Ng , Wolung Lee , Da-Shin Lee , Yeo-Yie Charng, 2007, “Quantum noise and a low cosmic microwave background quadrupole”, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 006. (SCIE) (IF: 5.839; SCI ranking: 16.2%,13.8%)

  • [51]     Lee DS, Lee W and Ng KW, 2005, “Bound on the time variation of the fine structure constant driven by quintessence”, INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 14(2), 335-343. (SCIE) (IF: 2.461; SCI ranking: 50%)

  • [52]     Chou CH and Ng KW, 2004, “Decaying superheavy dark matter and subgalactic structure of the Universe”, PHYSICS LETTERS B, 594(1-2), 1-7. (SCIE) (IF: 4.771; SCI ranking: 26.5%,21.1%,24.1%)

  • [53]     Park CG and Ng KW, 2004, “E/B separation in cosmic microwave background interferometry”, ASTROPHYSICAL JOURNAL, 609((1): Part 1), 15-21. (SCIE) (IF: 5.877; SCI ranking: 14.7%)

  • [54]     Chou CH and Ng KW, 2004, “Decaying superheavy dark matter and the cusp halo problem”, MODERN PHYSICS LETTERS A, 19((13-16): Sp. Iss. SI), 1227-1230. (SCIE) (IF: 2.066; SCI ranking: 55.9%,32.7%,52.6%,62.1%)

  • [55]     Lee WL, Ng KW and Lee DS, 2004, “Limit on the time variation of the fine structure constant driven by quintessence”, MODERN PHYSICS LETTERS A, 19((13-16): Sp. Iss. SI), 1089-1092. (SCIE) (IF: 2.066; SCI ranking: 55.9%,32.7%,52.6%,62.1%)

  • [56]     Lee W and Ng KW, 2003, “Constraining evolution of quintessence with CMB and SNIa data”, PHYSICAL REVIEW D, 67((10): Art. No. 107302). (SCIE) (IF: 5.296; SCI ranking: 22.1%,20.7%)

  • [57]     Park CG, Ng KW and Park C et al., 2003, “Observational strategies of cosmic microwave background temperature and polarization interferometry experiments”, ASTROPHYSICAL JOURNAL, 589((1): Part 1), 67-81. (SCIE) (IF: 5.877; SCI ranking: 14.7%)

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