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, Soichi Hayashi, Shin‐ichi Nagaoka, Noboru Hirota 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

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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 →

Peers

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

#	Work	Indexed citations
1	Efficient enzymatic production of hydroxy fatty acids by linoleic acid Δ9 hydratase from Lactobacillus plantarum AKU 1009a 2016 ·Journal of Applied Microbiology ·Michiki Takeuchi, Shigenobu Kishino, (unknown), Akiko Hirata, Naoya Kitamura, A. Saika, Jun Ogawa	25
2	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 1988 ·Journal of the Chemical Society Perkin Transactions 2 ·Fumio Imashiro, (unknown), K. Takegoshi, Takehiko Terao, A. Saika, Zenei Taira	1
3	Barriers to rotation of methyl groups in 4-methylacridine and related compounds. Side-on steric bulk of lone-pair electrons 1987 ·The Journal of Organic Chemistry ·Fumio Imashiro, K. Takegoshi, (unknown), Takehiko Terao, A. Saika	5
4	Crystal structures of 4,5-dimethyl- and 4-methylphenanthrenes. Planarity of congested phenanthrene molecules 1987 ·The Journal of Organic Chemistry ·Fumio Imashiro, A. Saika, Zenei Taira	15
5	Dipolar SASS NMR spectroscopy: Separation of heteronuclear dipolar powder patterns in rotating solids 1986 ·The Journal of Chemical Physics ·Takehiko Terao, Hiroshi Miura, A. Saika	75
6	NMR spectra of dilute spins under slow sample-spinning and homonuclear decoupling 1986 ·The Journal of Chemical Physics ·Hiroshi Miura, Takehiko Terao, A. Saika	12
7	Electron correlation effects on magnetic properties of BH 1983 ·International Journal of Quantum Chemistry ·(unknown), A. Saika	5
8	An NMR relaxation study on the proton transfer in the hydrogen bonded carboxylic acid dimers 1983 ·The Journal of Chemical Physics ·Shin‐ichi Nagaoka, Takehiko Terao, Fumio Imashiro, A. Saika, Noboru Hirota, Soichi Hayashi	163
9	High-resolution J-resolved NMR spectra of dilute spins in solids 1981 ·The Journal of Chemical Physics ·Takehiko Terao, Hiroshi Miura, A. Saika	43
10	Application of multiconfigurational many-body perturbation theory to the calculation of ionization potentials, electron affinities and excitation energ 1981 ·Chemical Physics Letters ·Shigeyoshi Yamamoto, A. Saika	10
11	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 1981 ·Chemistry Letters ·Fumio Imashiro, A. Saika, Hiroaki Yamada, Akira Sera	2
12	NMR study of molecular motion of methanol in β-quinol clathrate 1979 ·Chemical Physics Letters ·Takehiko Terao, Shigeru Matsui, A. Saika	11
13	Many-body perturbation theoretic calculation of the nuclear spin-coupling constant in the hydrogen molecule 1979 ·The Journal of Chemical Physics ·(unknown), A. Saika	10
14	Use of the Nonsymmetrical Wavefunction. III. Magnetic Susceptibility of Molecular Hydrogen 1972 ·The Journal of Chemical Physics ·A. Saika, Jeremy I. Musher, (unknown)	3
15	Electric Polarizability of Molecular Hydrogen as Calculated by Use of the Nonsymmetrical Wavefunction 1970 ·The Journal of Chemical Physics ·A. Saika, Jeremy I. Musher, (unknown)	14
16	Signs of the nuclear spin-spin coupling constants in ammonia 1967 ·Molecular Physics ·Yoshifumi Kato, (unknown), A. Saika	10
17	Effects of Excitation Energies on Nuclear Spin Coupling Constants 1966 ·The Journal of Chemical Physics ·A. Saika	12
18	Rate Processes and N.m.r. Spectra. III Proton Exchange and Hydrolysis of Amides¹ 1960 ·Journal of the American Chemical Society ·A. Saika	10
19	Proton Magnetic Resonance Studies on Natural Rubber. II. Line Shape and T1 Measurements 1957 ·The Journal of Chemical Physics ·H. S. Gutowsky, A. Saika, Mitsuhiro Takeda, D. E. Woessner	72
20	AN UNUSUAL FLUORINE MAGNETIC RESONANCE MULTIPLET¹ 1956 ·Journal of the American Chemical Society ·A. Saika, H. S. Gutowsky	24

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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