Center for Theoretical Physics of the Universe

Research Highlights and Accomplishments of the IBS Center for Theoretical Physics of the Universe (CTPU) from the commencement

Physics of axions and axion-like particles

• Natural inflation with multiple sub-Planckian axions, Phys. Rev. D 90, 023545 (2014) [e-print:1404.6209] K. Choi, H. Kim, S. Yun
• Realizing the relaxion from multiple axions and its UV completion with high scale SUSY, JHEP 1601, 149 (2016) [e-print:1511.00132] K. Choi, S. H. Im
• Phenomenology of relaxion-Higgs mixing, JHEP 1706, 050 (2017) [e-print:1610.02025] T. Flacke, C. Frugiuele, E. Fuchs, R. S. Gupta, G. Perez
• Recent progress in physics of axions and axion-like particles, Ann. Rev. Nucl. Part. Sci. 71 (2021) 225 [e-print:2012.05029], K. Choi, S. H. Im, C. S. Shin
• Precision axion physics with running axion couplings, JHEP 08 (2021) 058 [e-print: 2106.05816] K. Choi, S. H. Im, H. J. Kim, H. Seong

• Axion Magnetic Resonance: A Novel Enhancement in Axion-Photon Conversion, Phys. Rev. D 110 (2024) 1, 015018, arXiv:2308.10925, Hyeonseok Seong, Chen Sun, Seokhoon Yun

Physics of dark matter

• How the Self-Interacting Dark Matter Model Explains the Diverse Galactic Rotation Curves, Phys. Rev. Lett. 118, 111102(2017) [e-print:1611.02716] A. Kamada, M. Kaplinghat, A. B. Pace, H. Yu
• Self-interacting dark matter and muon g−2 in a gauged Lμ −Lτ model, JHEP 06 (2018) 117 [e-print:1805.00651] A. Kamada, K. Kaneta, K. Yanagi, H-B. Yu
• Dark Matter Signals from Timing Spectra at Neutrino Experiments, Phys. Rev. Lett. 124 (2020) 12, 121802 [e-print:1906.10745] B. Dutta, D. Kim, Shu Liao, J.-C. Park, S. Shin, L. E. Strigari 
• Dark Photon and Muon g−2 Inspired Inelastic Dark Matter Models at the High-Energy Intensity Frontier, Phys. Rev. Lett. 126 (2021) 18, 181801 [e-print:1908.07525] Y. Tsai, P. deNiverville, M. X. Liu

• CosmiXs: cosmic messenger spectra for indirect dark matter searches, JCAP 03 (2024) 035, arXiv:2312.01153, Chiara Arina, Mattia Di Mauro, Nicolao Fornengo, Jan Heisig, Adil Jueid, Roberto Ruiz de Austri

Implications of gravitational waves (GW) for Beyond-the-SM (BSM) physics

• Gravitational waves from bubble dynamics: Beyond the Envelope, JCAP 01 (2019) 060 [e-print:1707.03111] R. Jinno, M. Takimoto
• Gravitational waves from first-order phase transitions: Towards model separation by bubble nucleation rate, JCAP 1711, 050, (2017) [e-print:1708.01253] R. Jinno, S. Lee, H. Seong, M. Takimoto
• Gravitational-Wave Fringes at LIGO: Detecting Compact Dark Matter by Gravitational Lensing, Phys. Rev. Lett. 122 (2019) 4, 041103 [e-print:1712.01396] S. Jung, C. S. Shin
• Dark matter filtering-out effect during a first-order phase transition, Phys. Rev. D 101 (2020) 9, 095019[e-print:1912.04238] D. Chway, T. H. Jung, C. S. Shin

• Gravitational Wave Production right after a Primordial Black Hole Evaporation, Phys. Rev. D 101 (2020) 12, 123533, arXiv: 2003.10455, Keisuke Inomata, Masahiro Kawasaki, Kyohei Mukaida, Takahiro Terada, Tsutomu T. Yanagida

• Solar-Mass Primordial Black Holes Explain NANOGrav Hint of Gravitational Waves”, Phys. Lett. B 813 (2021) 136040, arXiv: 2009.11853, Kazunori Kohri, Takahiro Terada

• Detected Stochastic Gravitational Waves and Subsolar-Mass Primordial Black Holes”, Phys. Rev. D 109 (2024) 063506, arXiv: 2306.17834, Keisuke Inomata, Kazunori Kohri, Takahiro Terada

New portal to hidden sector

• Portal Connecting Dark Photons and Axions, Phys. Rev. Lett. 118, 101802 (2017) [e-print:1611.01466] H.-S. Lee, K. Kaneta, S. Yun

• W boson mass and muon g-2 in a lepton portal dark matter model, Phys. Rev. D 106 (2022) 1, 015005, arXiv: 2204.07022, Junichiro Kawamura, Shohei Okawa, Yuji Omura

Flavor physics

• Simultaneous Explanation of the RK and RD(∗) Puzzles: a Model Analysis, JHEP 1701, 015 (2017), B. Bhattacharya, A. Datta, J. Guévin, D. London, R. Watanabe

• Probing non-standard neutrino interactions with a light boson from next galactic and diffuse supernova neutrinos, JHEP 12 (2022) 050, arXiv:2206.06852, Kensuke Akita, Sang Hui Im, Mehedi Masud

• Exploring CP violation beyond the Standard Model and the PQ quality with electric dipole moments, JHEP 04 (2024) 007, arXiv:2308.01090, Kiwoon Choi, Sang Hui Im, Krzystof Jodlowski

Implication of 21cm signals for dark matter physics

• Effects of dark matter-baryon scattering on redshifted 21 cm signals, Phys. Rev. D 90, 083522 (2014) [e-print:1408.2571] K. Kadota, H. Tashiro, J. Silk
• Constraining the nature of ultra-light dark matter particles with the 21 cm forest, Phys. Rev. D 101 (2020) 4, 043516 [e-print:1910.06011] H. Shimabukuro, K. Ichiki, K. Kadota orders of magnitude bigger than those probed by the current Lyman-α forest observations.

String Phenomenology

• Quantum Corrections in 4d N=1 Infinite Distance Limits and the Weak Gravity Conjecture, JHEP 03 (2021) 252 [e-print:2011.00024] D. Klaewer, S.-J. Lee, T. Weigand, M. Wiesner

• Physics of Infinite Complex Structure Limits in eight Dimensions, JHEP 06 (2022) 042, arXiv:2112.08385, Seung-Joo Lee, Wolfgang Lerche, Timo Weigand