A. Saika

3.7k total citations · 1 hit paper
68 papers, 2.9k citations indexed

About

A. Saika is a scholar working on Spectroscopy, Atomic and Molecular Physics, and Optics and Nuclear and High Energy Physics. According to data from OpenAlex, A. Saika has authored 68 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Spectroscopy, 26 papers in Atomic and Molecular Physics, and Optics and 20 papers in Nuclear and High Energy Physics. Recurrent topics in A. Saika's work include Advanced NMR Techniques and Applications (32 papers), NMR spectroscopy and applications (19 papers) and Solid-state spectroscopy and crystallography (17 papers). A. Saika is often cited by papers focused on Advanced NMR Techniques and Applications (32 papers), NMR spectroscopy and applications (19 papers) and Solid-state spectroscopy and crystallography (17 papers). A. Saika collaborates with scholars based in Japan, United States and Canada. A. Saika's co-authors include S. Obara, H. S. Gutowsky, Takehiko Terao, Charles P. Slichter, Fumio Imashiro, Hiroshi Miura, Noboru Hirota, Soichi Hayashi, Shin‐ichi Nagaoka and Shiro Maeda and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Macromolecules.

In The Last Decade

A. Saika

68 papers receiving 2.7k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Efficient recursive computation of molecular integrals over Cartesian Gaussian functions

1986 526 citations A. Saika et al. The Journal of Chemical Physics profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
A. Saika	1.6k	1.1k	863	606	389	68	2.9k
Thomas C. Farrar	1.5k 1.0×	1.1k 1.0×	813 0.9×	603 1.0×	559 1.4×	106	3.1k
Patrick Diehl	2.3k 1.5×	1.1k 1.0×	350 0.4×	301 0.5×	553 1.4×	202	3.4k
B. P. Dailey	2.2k 1.4×	1.3k 1.1×	650 0.8×	215 0.4×	767 2.0×	90	3.3k
L. W. Reeves	1.1k 0.7×	438 0.4×	427 0.5×	329 0.5×	829 2.1×	115	2.3k
R. A. Bernheim	958 0.6×	1.4k 1.2×	315 0.4×	158 0.3×	228 0.6×	101	2.2k
Józef Kowalewski	2.2k 1.4×	1.1k 0.9×	1.3k 1.5×	864 1.4×	392 1.0×	168	3.7k
Alex D. Bain	1.3k 0.8×	324 0.3×	529 0.6×	698 1.2×	730 1.9×	136	2.5k
A.J. Horsewill	1.6k 1.0×	1.3k 1.1×	1.3k 1.5×	158 0.3×	663 1.7×	109	2.7k
U. Haeberlen	3.0k 1.9×	952 0.8×	2.2k 2.5×	1.6k 2.7×	241 0.6×	134	4.2k
R. E. D. McClung	918 0.6×	751 0.7×	352 0.4×	441 0.7×	277 0.7×	71	1.7k

Countries citing papers authored by A. Saika

Since Specialization

Citations

This map shows the geographic impact of A. Saika's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. Saika with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Saika more than expected).

Fields of papers citing papers by A. Saika

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Saika. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. Saika. The network helps show where A. Saika may publish in the future.

Co-authorship network of co-authors of A. Saika

This figure shows the co-authorship network connecting the top 25 collaborators of A. Saika. A scholar is included among the top collaborators of A. Saika based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. Saika. A. Saika is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Takeuchi, Michiki, Shigenobu Kishino, Akiko Hirata, et al.. (2016). Efficient enzymatic production of hydroxy fatty acids by linoleic acid Δ9 hydratase from Lactobacillus plantarum AKU 1009a. Journal of Applied Microbiology. 120(5). 1282–1288. 25 indexed citations

Imashiro, Fumio, et al.. (1988). Crystal structure of 1,4,9,10-tetramethyltriptycene and barriers to rotation of bridgehead-methyl groups in 1,4,9,10-tetramethyl- and 1,4-dichloro-9,10-di-methyl-triptycene. Journal of the Chemical Society Perkin Transactions 2. 1401–1401. 1 indexed citations

Imashiro, Fumio, et al.. (1987). Barriers to rotation of methyl groups in 4-methylacridine and related compounds. Side-on steric bulk of lone-pair electrons. The Journal of Organic Chemistry. 52(8). 1401–1404. 5 indexed citations

Imashiro, Fumio, A. Saika, & Zenei Taira. (1987). Crystal structures of 4,5-dimethyl- and 4-methylphenanthrenes. Planarity of congested phenanthrene molecules. The Journal of Organic Chemistry. 52(26). 5727–5729. 15 indexed citations

Terao, Takehiko, et al.. (1986). A 13C NMR study of the dynamic structure of the thiourea-ferrocene inclusion compound. Chemical Physics Letters. 132(6). 554–557. 13 indexed citations

Terao, Takehiko, Hiroshi Miura, & A. Saika. (1986). Dipolar SASS NMR spectroscopy: Separation of heteronuclear dipolar powder patterns in rotating solids. The Journal of Chemical Physics. 85(7). 3816–3826. 75 indexed citations

Miura, Hiroshi, Takehiko Terao, & A. Saika. (1986). NMR spectra of dilute spins under slow sample-spinning and homonuclear decoupling. The Journal of Chemical Physics. 85(5). 2458–2462. 12 indexed citations

Saika, A., et al.. (1983). Electron correlation effects on magnetic properties of BH. International Journal of Quantum Chemistry. 24(6). 623–626. 5 indexed citations

Nagaoka, Shin‐ichi, Takehiko Terao, Fumio Imashiro, et al.. (1983). An NMR relaxation study on the proton transfer in the hydrogen bonded carboxylic acid dimers. The Journal of Chemical Physics. 79(10). 4694–4703. 163 indexed citations

10.

Saika, A., et al.. (1983). Calculations of the ground-state correlation energy of the Be atom using multiconfigurational perturbation theory. Chemical Physics Letters. 102(2-3). 213–215. 2 indexed citations

11.

Terao, Takehiko, Hiroshi Miura, & A. Saika. (1981). High-resolution J-resolved NMR spectra of dilute spins in solids. The Journal of Chemical Physics. 75(3). 1573–1574. 43 indexed citations

12.

Yamamoto, Shigeyoshi & A. Saika. (1981). Application of multiconfigurational many-body perturbation theory to the calculation of ionization potentials, electron affinities and excitation energ. Chemical Physics Letters. 78(2). 316–322. 10 indexed citations

13.

Imashiro, Fumio, A. Saika, Hiroaki Yamada, & Akira Sera. (1981). NMR STUDY OF HIGH PRESSURE EFFECTS ON MOLECULAR CONFORMATIONS OF 2,11-DITHIA[3.3.1]PARACYCLOPHANE AND 2,11-DITHIA[3.3.2]PARACYCLOPHANE. Chemistry Letters. 10(2). 247–250. 2 indexed citations

14.

Saika, A., et al.. (1979). Electron correlation in molecular many-electron systems by diagrammatic many-body perturbation theory: Correlation energies and dipole polarizabilities of the hydrogen molecule. The Journal of Chemical Physics. 70(5). 2378–2389. 26 indexed citations

15.

Terao, Takehiko, Shigeru Matsui, & A. Saika. (1979). NMR study of molecular motion of methanol in β-quinol clathrate. Chemical Physics Letters. 64(3). 582–584. 11 indexed citations

16.

Saika, A., et al.. (1979). Many-body perturbation theoretic calculation of the nuclear spin-coupling constant in the hydrogen molecule. The Journal of Chemical Physics. 71(11). 4620–4624. 10 indexed citations

17.

Saika, A., et al.. (1972). Use of the Nonsymmetrical Wavefunction. III. Magnetic Susceptibility of Molecular Hydrogen. The Journal of Chemical Physics. 56(7). 3312–3314. 3 indexed citations

18.

Kato, Yoshifumi, et al.. (1969). Nuclear spin coupling constants in simple molecules. Journal of Magnetic Resonance (1969). 1(1). 35–40. 9 indexed citations

19.

Gutowsky, H. S., A. Saika, Mitsuhiro Takeda, & D. E. Woessner. (1957). Proton Magnetic Resonance Studies on Natural Rubber. II. Line Shape and T1 Measurements. The Journal of Chemical Physics. 27(2). 534–542. 72 indexed citations

20.

Gutowsky, H. S. & A. Saika. (1953). Dissociation, Chemical Exchange, and the Proton Magnetic Resonance in Some Aqueous Electrolytes. The Journal of Chemical Physics. 21(10). 1688–1694. 400 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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