Ding, Q., Nakama, T. , & Wang, Y. (2020). A Gigaparsec-Scale Local Void and the Hubble Tension. Science China Physics Mechanics and Astronomy, 63(9). doi:10.1007/s11433-020-1531-0 

Inomata, K., Kohri, K.,Nakama, T., & Terada, T. (2019). Enhancement of gravitational waves induced by scalar perturbations due to a sudden transition from an early matter era to the radiation era. Physical Review D, 100(4). doi: 10.1103/physrevd.100.043532 

Li, L., Nakama, T., Sou, C. M., Wang, Y., & Zhou, S. (2019). Gravitational production of superheavy dark matter and associated cosmological signatures. Journal of High Energy Physics, 2019(7). doi: 10.1007/jhep07(2019)067 

Nakama, T., Kohri, K., & Silk, J. (2019). Ultracompact minihalos associated with stellar-mass primordial black holes. Physical Review D, 99(12). doi: 10.1103/physrevd.99.123530 

Inomata, K., & Nakama, T. (2019). Gravitational waves induced by scalar perturbations as probes of the small-scale primordial spectrum. Physical Review D, 99(4). doi: 10.1103/physrevd.99.043511 

Nakama, T., & Yokoyama, J. I. (2019). Micro black holes formed in the early Universe and their cosmological implications. Physical Review D, 99(6). doi: 10.1103/physrevd.99.061303 

Nakama, T., & Wang, Y. (2019). Do we need fine-tuning to create primordial black holes? Physical Review D, 99(2). doi: 10.1103/physrevd.99.023504 

Nakama, T., & Yokoyama, J. I. (2019). Reheating through the Higgs amplified by spinodal instabilities and gravitational creation of gravitons. Progress of Theoretical and Experimental Physics, 2019(3). doi: 10.1093/ptep/ptz014 

Inomata, K., Kohri, K., Nakama, T., & Terada, T. (2019). Gravitational waves induced by scalar perturbations during a gradual transition from an early matter era to the radiation era. Journal of Cosmology and Astroparticle Physics, 2019(10), 071–071. doi: 10.1088/1475-7516/2019/10/071

Ding, Q., Nakama, T., Silk, J., & Wang, Y. (2019). Detectability of gravitational waves from the coalescence of massive primordial black holes with initial clustering. Physical Review D, 100(10). doi: 10.1103/physrevd.100.103003