RA
Ryosuke Akashi
cond-mat.mtrl-scicond-mat.supr-conphysics.comp-phphysics.chem-phcond-mat.str-elquant-phcond-mat.stat-mechnucl-exnucl-thsuperconductivity
On Valency
published · living versionsW_c628wjaw·v1 · currentpublished
Possible "Magnéli" phases and self-alloying in the superconducting sulfur hydride
with Wataru Sano, Ryotaro Arita, Shinji Tsuneyuki
1 version
W_myk5ynyh·v1published
Preprints & journals
52 papers in the corpus · 2012–2026Yttrium Superhydrides Revisited: Advanced Experimental and Theoretical Studies of YH, YH and YH2608.11428v2 · Dmitrii V. Semenok, Pedro N. Ferreira, Di Zhou et al.2026 · 0 citationsarXiv
Quantum electrometry in a silicon carbide power device2603.13836v1 · Yuichi Yamazaki, Akira Kiyoi, Naoyuki Kawabata et al.2026 · 0 citationsarXiv
Electronic structure theory of HS: Plane-wave-like valence states, density-of-states peak and its guaranteed proximity to the Fermi level2601.10016v1 · Ryosuke Akashi2026 · 0 citationsarXiv
Uniform electron benchmark for the first-principles -Eliashberg theory2508.13779v1 · Ryosuke Akashi, Hiroshi Shinaoka2025 · 0 citationsarXiv
Can machines learn density functionals? Past, present, and future of ML in DFT2503.01709v1 · Ryosuke Akashi, Mihira Sogal, Kieron Burke2025 · 1 citationarXiv
Assessing the possible superconductivity in doped perovskite hydride KMgH: Effects of lattice anharmonicity and spin fluctuations2411.09966v1 · Shaocong Lu, Ryosuke Akashi, Mitsuaki Kawamura et al.2024 · 0 citationsarXiv
Illuminating the Bragg intersections as roots of Dirac nodal lines and high-order van Hove singularities2306.04238v2 · Ryosuke Akashi2023 · 1 citationarXiv
Semiconducting Electronic Structure of the Ferromagnetic Spinel HgCr_2Se_4 Revealed by Soft-X-Ray Angle-Resolved Photoemission Spectroscopy.37204880 · Tanaka, Hiroaki, Telegin, Andrei V, Sukhorukov, Yurii P et al.2023 · 3 citationsPhysical review letters. 2023;130(18):186402
A noise-robust data assimilation method for crystal structure determination using powder diffraction intensity.36546799 · Yoshikawa, Seiji, Sato, Ryuhei, Akashi, Ryosuke et al.2022 · 8 citationsThe Journal of chemical physics. 2022;157(22):224112
Lattice dielectric properties of rutile : First-principles anharmonic self-consistent phonon study2210.15873v1 · Tomohito Amano, Tamio Yamazaki, Ryosuke Akashi et al.2022 · 29 citationsarXiv
Density functional theory2210.07647v2 · Yusuke Nomura, Ryosuke Akashi2022 · 1 citationarXiv
First-Principles Study of the Optical Dipole Trap for Two-Dimensional Excitons in Graphane.35938993 · Katow, Hiroki, Akashi, Ryosuke, Miyamoto, Yoshiyuki et al.2022 · 3 citationsPhysical review letters. 2022;129(4):047401
Development of exchange-correlation functionals assisted by machine learning2206.15370v1 · Ryo Nagai, Ryosuke Akashi2022 · 2 citationsarXiv
Machine-Learning-Based Exchange-Correlation Functional with Physical Asymptotic Constraints2111.15593v2 · Ryo Nagai, Ryosuke Akashi, Osamu Sugino2021 · 61 citationsarXiv
The missing quantum number of the Floquet states2111.04288v2 · Cristian M. Le, Ryosuke Akashi, Shinji Tsuneyuki2021 · 5 citationsarXiv
Revisiting the homogeneous electron gas in pursuit of the properly normed ab initio Eliashberg theory2106.05751v2 · Ryosuke Akashi2021 · 8 citationsarXiv
Anomalous High-Temperature Superconductivity in YH6.33751670 · Troyan, Ivan A, Semenok, Dmitrii V, Kvashnin, Alexander G et al.2021 · 472 citationsAdvanced materials (Deerfield Beach, Fla.). 2021;33(15):e2006832
Chemical physics of superconductivity in layered yttrium carbide halides from first principles2103.05312v1 · Ryosuke Akashi, Ryotaro Arita, Chao Zhang et al.2021 · 4 citationsPhys. Rev. B 103, 134517 (2021)
Superconductivity at 253 K in lanthanum-yttrium ternary hydrides2012.04787v1 · Dmitrii V. Semenok, Ivan A. Troyan, Alexander G. Kvashnin et al.2020 · 299 citationsMaterials Today, 2021
Coexistence of spontaneous polarization and superconductivity in hole-doped oxyhydrides ATiO_2H (A=K, Rb, Cs): first-principles study2011.13270v1 · Minjae Ghim, Nobuya Sato, Ryosuke Akashi et al.2020 · 3 citationsPhys. Rev. Materials 5, 054802 (2021)
Effect of spin fluctuations on superconductivity in V and Nb: a first-principles study2010.06796v1 · Kentaro Tsutsumi, Yuma Hizume, Mitsuaki Kawamura et al.2020 · 14 citationsPhys. Rev. B 102, 214515 (2020)
Defining a well-ordered Floquet basis by the average energy2005.05631v1 · Cristian M. Le, Ryosuke Akashi, Shinji Tsuneyuki2020 · 5 citationsPhys. Rev. A 102, 042212 (2020)
Spintronic superconductor in a bulk layered material with natural spin-valve structure2001.07991v1 · Shunsuke Sakuragi, S. Sasaki, R. Akashi et al.2020 · 0 citationsarXiv
Archetypical "push the band critical point" mechanism for peaking of the density of states in three-dimensional crystals: Theory and case study of cubic HS1909.02956v3 · Ryosuke Akashi2019 · 19 citationsPhys. Rev. B 101, 075126 (2020)
AtomREM: Non-empirical seeker of the minimum energy escape paths on many-dimensional potential landscapes without coarse graining1907.13316v1 · Yuri S. Nagornov, Ryosuke Akashi2019 · 0 citationsComputer Physics Communications, Vol. 254, September 2020, 107260
Coulomb Energy Density Functionals for Nuclear Systems: Recent Studies of Coulomb Exchange and Correlation Functionals1907.04772v1 · Tomoya Naito, Ryosuke Akashi, Gianluca Colo et al.2019 · 0 citationsEPJ Web Conf. 223, 01044 (2019)
Completing density functional theory by machine-learning hidden messages from molecules1903.00238v5 · Ryo Nagai, Ryosuke Akashi, Osamu Sugino2019 · 237 citationsarXiv
Non-empirical weighted Langevin mechanics for the potential escape problem: parallel algorithm and application to the Argon clusters1812.06581v1 · Yuri S. Nagornov, Ryosuke Akashi2018 · 1 citationPhysica A: Stat. Mech. and its Appl., Vol. 528, 15 August, 121481 (2019)
Superconductivity of and polyhydrides1810.01113v5 · Ivan A. Kruglov, Dmitrii V. Semenok, Hao Song et al.2018 · 115 citationsPhys. Rev. B 101, 024508 (2020)
Search for Common Minima in Joint Optimization of Multiple Cost Functions1808.06846v1 · Daiki Adachi, Naoto Tsujimoto, Ryosuke Akashi et al.2018 · 15 citationsarXiv
Application of Coulomb energy density functional for atomic nuclei: Case studies of local density approximation and generalized gradient approximation1712.06490v2 · Tomoya Naito, Ryosuke Akashi, Haozhao Liang2017 · 15 citationsPhys. Rev. C 97, 044319 (2018)
Universal two-dimensional characteristics in perovskite-type oxyhydrides ATiO2H (A = Li, Na, K, Rb, Cs).28734309 · Sato, Nobuya, Akashi, Ryosuke, Tsuneyuki, Shinji2018 · 1 citationThe Journal of chemical physics. 2017;147(3):034507
Crystal Structure Prediction Supported by Incomplete Experimental Data1705.08613v1 · Naoto Tsujimoto, Daiki Adachi, Ryosuke Akashi et al.2017 · 14 citationsPhys. Rev. Materials 2, 053801 (2018)
Weak phonon-mediated pairing in BiS superconductor from first principles1701.02909v1 · Corentin Morice, Ryosuke Akashi, Takashi Koretsune et al.2017 · 38 citationsPhys. Rev. B 95, 180505 (2017)
Nonempirical Calculation of Superconducting Transition Temperatures in Light-Element Superconductors.28060417 · Arita, Ryotaro, Koretsune, Takashi, Sakai, Shiro et al.2018 · 32 citationsAdvanced materials (Deerfield Beach, Fla.). 2017;29(25)
An efficient method for calculating spatially extended electronic states of large systems with a divide-and-conquer approach1611.06295v2 · Shunsuke Yamada, Fuyuki Shimojo, Ryosuke Akashi et al.2016 · 2 citationsPhys. Rev. B 95, 045106 (2017)
Anisotropic superconducting gaps in YNiBC: A first-principles investigation1610.07329v2 · Mitsuaki Kawamura, Ryosuke Akashi, Shinji Tsuneyuki2016 · 39 citationsPhys. Rev. B 95, 054506 (2017)
Numerical Investigation of Triexciton Stabilization in Diamond with Multiple Valleys and Bands1609.02298v1 · Hiroki Katow, Junko Usukura, Ryosuke Akashi et al.2016 · 7 citationsPhys. Rev. B 95, 125205 (2017)
Possible "Magnéli" Phases and Self-Alloying in the Superconducting Sulfur Hydride.27563975 · Akashi, Ryosuke, Sano, Wataru, Arita, Ryotaro et al.2018 · 76 citationsPhysical review letters. 2016;117(7):075503
Interference of the Bloch phase in layered materials with stacking shifts1605.05312v3 · Ryosuke Akashi, Yo Iida, Kohei Yamamoto et al.2016 · 20 citationsPhys. Rev. B 95, 245401 (2017)
Effect of van Hove singularities on high-Tc superconductivity in H3S1512.07365v3 · Wataru Sano, Takashi Koretsune, Terumasa Tadano et al.2015 · 149 citationsPhys. Rev. B 93, 094525 (2016)
Aromatic hydrocarbon macrocycles for highly efficient organic light-emitting devices with single-layer architectures.29896363 · Xue, Jing Yang, Izumi, Tomoo, Yoshii, Asami et al.2024 · 74 citationsChemical science. 2016;7(2):896-904
Two-Dimensional Valley Electrons and Excitons in Noncentrosymmetric 3R MoS1502.07480v2 · Ryosuke Akashi, Masayuki Ochi, S'andor Bord'acs et al.2015 · 51 citationsPhys. Rev. Applied 4, 014002 (2015)
Modification of electronic structure and thermoelectric properties of hole-doped tungsten dichalcogenides1502.05466v1 · M. Kriener, A. Kikkawa, T. Suzuki et al.2015 · 36 citationsPhys. Rev. B 91, 075205 (2015)
First-principles study of the pressure and crystal-structure dependences of the superconducting transition temperature in compressed sulfur hydrides1502.00936v2 · Ryosuke Akashi, Mitsuaki Kawamura, Shinji Tsuneyuki et al.2015 · 170 citationsPhys. Rev. B 91, 224513 (2015)on Valency
Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry.25064393 · Suzuki, R, Sakano, M, Zhang, Y J et al.2015 · 476 citationsNature nanotechnology. 2014;9(8):611-7
Density Functional Theory for Plasmon-Assisted Superconductivity1401.1578v1 · Ryosuke Akashi, Ryotaro Arita2014 · 35 citationsJ. Phys. Soc. Jpn. 83, 061016 (2014)
Development of density-functional theory for a plasmon-assisted superconducting state: application to lithium under high pressures.23952436 · Akashi, Ryosuke, Arita, Ryotaro2013 · 79 citationsPhysical review letters. 2013;111(5):057006
Density Functional Theory for Superconductors with Particle-hole Asymmetric Electronic Structure1305.0390v1 · Ryosuke Akashi, Ryotaro Arita2013 · 21 citationsPhys. Rev. B 88, 014514 (2013); with a small revision
Non-empirical Study of Superconductivity in Alkali-doped Fullerides Based on Density Functional Theory for Superconductors1303.5138v1 · Ryosuke Akashi, Ryotaro Arita2013 · 30 citationsPhys. Rev. B 88, 054510 (2013)
Career total: 87 works. 52 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.