Publication
A. Kumashita, H. Tajiri, A. Yamaguchi, J. Usami, A. Sumiyama, Y. Yamane, M. Suzuki, T. Minoguchi, Y. Sakurai, and H. Fukuyama
Simulations of Surface X-ray Diffraction from a Monolayer 4He Film Adsorbed on Graphite
JPS Conf. Proc. 38, 011004 (2023).
J. Usami, R. Toda, S. Nakamura, T. Matsui, and H. Fukuyama
"A Simple Experimental Setup for Simultaneous Superfluid-response and Heat-capacity Measurements for Helium in Confined Geometries"
J. Low Temp. Phys. 208, 457 (2022).
A. Yamaguchi, H. Tajiri, A Kumashita, J. Usami, Y. Yamane, A. Sumiyama, M. Suzuki, T. Minoguchi, Y. Sakurai, H. Fukuyama
"Structural Study of Adsorbed Helium Films: New Approach with Synchrotron Radiation X-rays"
J. Low Temp. Phys. 208, 441 (2022).
J. Usami, K. Tokeshi, T. Matsui, and H. Fukuyama
"Superconducting Niobium Calorimeter for Studies of Adsorbed Helium Monolayers"
J. Low Temp. Phys. 203, 1 (2021).
J. Usami, N. Kato, T. Matsui, and H. Fukuyama
"The Role of Substrate Roughness in Superfluid Film Flow Velocity"
International conference (oral)
H. Tajiri, A. Yamaguchi, A. Kumashita, J. Usami, Y. Yamane, A. Sumiyama, M. Suzuki, T. Minoguchi, H. Fukuyama, Y. Sakurai
"Developement of surface X-ray diffraction at low temperatures"
International Conference on Ultra Low Temperature Physics 2022 (ULT2022), August 2022.
J. Usami and *H. Fukuyama
"New Results and Analyses for Superfluid Liquid Crystal State in 4He Monolayer"
29th International Conference on LOW TEMPERATURE PHYSICS (LT29), August 2022.
A. Yamaguchi, H. Tajiri, A Kumashita, J. Usami, A. Sumiyama, Y. Yamane, T. Minoguchi, M. Suzuki, Y. Sakurai, H. Fukuyama
"X-ray structural analysis of adsorbed helium films on graphite"
29th International Conference on LOW TEMPERATURE PHYSICS (LT29), August 2022.
J. Usami, R. Toda, H. Fukuyama
"Possible coexistence of Superfluidity and Spatial Order in Monolayers of Helium-4"
APS March Meeting 2021, online, March 2021.
J. Usami, R. Toda, S. Nakamura, T. Matsui, H. Fukuyama
"Simultaneous Measurements of Superfluidity and Heat-capacities of Novel Phases in 4He Monolayers"
International Symposium on Quantum Fluids and Solids (QFS2019), Edmonton, Canada, August 2019
International conference (poster)
A. Kumashita, J. Usami, A. Yamaguchi, H. Fukuyama
"Search for the gas-liquid critical point in 3He monolayer on graphite"
International Symposium on Quantum Fluids and Solids (QFS2023) , Manchester, UK, August 2023.
A. Kumashita, A. Yamaguchi, H. Tajiri, J. Usami, A. Sumiyama, Y. Yamane, T. Minoguchi, M. Suzuki, Y. Sakurai, H. Fukuyama
"Surface X-ray Diffraction from Monolayer 4He Film on Graphite: Simulations and Preliminary Observations"
International Conference on Ultra Low Temperature Physics 2022 (ULT2022), August 2022.
A. Kumashita, A. Yamaguchi, H. Tajiri, J. Usami, A. Sumiyama, Y. Yamane, T. Minoguchi, M. Suzuki, Y. Sakurai, H. Fukuyama
"Simulation of surface X-ray diffraction for submonolayer helium films on graphite"
29th International Conference on LOW TEMPERATURE PHYSICS (LT29), August 2022.
J. Usami, R. Toda, S. Murakawa, H. Fukuyama
"Superfluidity Found in the Possible Liquid Crystal Phase of 2D 4He"
International Symposium on Quantum Fluids and Solids (QFS2021), Online, August 2021.
A. Yamaguchi, H. Tajiri, A Kumashita, J. Usami, Y. Yamane, A. Sumiyama, M. Suzuki, T. Minoguchi, Y. Sakurai, H. Fukuyama
"Structural study of adsorbed helium films: New approach with synchrotron radiation X-rays"
International Symposium on Quantum Fluids and Solids (QFS2021), Online, August 2021.
A. Kumashita, A. Yamaguchi, H. Tajiri, J. Usami, Y. Yamane, A. Sumiyama, T. Minoguchi, M. Suzuki, Y. Sakurai, H. Fukuyama
"Pyrolytic graphite for synchrotron X-ray diffraction of two-dimensional helium films"
International Symposium on Quantum Fluids and Solids (QFS2021), Online, August 2021.
J. Usami, R. Toda, S. Nakamura, T. Matsui, and H. Fukuyama
"Simultaneous Measurements of Superfluidity and Heat-capacities of Novel Phases in 4He Monolayers"
International Symposium on Quantum Fluids and Solids (QFS2019), Edmonton, Canada, August 2019.
J. Usami, K. Tokeshi, T. Matsui, and H. Fukuyama
"Niobium Calorimeter for Studies of Adsorbed Helium Monolayers"
International Symposium on Quantum Fluids and Solids (QFS2019), Edmonton, Canada, August 2019.
J. Usami, T. Matsui, and H. Fukuyama
"The Role of Substrate Roughness on the Superfluid Film Flow Rate of 4He"
International Symposium on Quantum Fluids and Solids (QFS2018), Tokyo, Japan, July 2018.