K. Ohta

457 total citations
10 papers, 351 citations indexed

About

K. Ohta is a scholar working on Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Spectroscopy. According to data from OpenAlex, K. Ohta has authored 10 papers receiving a total of 351 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Atomic and Molecular Physics, and Optics, 5 papers in Physical and Theoretical Chemistry and 3 papers in Spectroscopy. Recurrent topics in K. Ohta's work include Advanced Chemical Physics Studies (6 papers), Spectroscopy and Quantum Chemical Studies (4 papers) and Photochemistry and Electron Transfer Studies (4 papers). K. Ohta is often cited by papers focused on Advanced Chemical Physics Studies (6 papers), Spectroscopy and Quantum Chemical Studies (4 papers) and Photochemistry and Electron Transfer Studies (4 papers). K. Ohta collaborates with scholars based in Japan, Switzerland and United States. K. Ohta's co-authors include Hiroshi Nakatsuji, T. Yonezawa, Kimihiko Hirao, Keiji Morokuma, G. L. Closs, H. Nakatsuji, Ikuko Maeda, Tadamasa Shida, Yoshihiko Yamada and Takashi Hasegawa and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and The Journal of Physical Chemistry.

In The Last Decade

K. Ohta

10 papers receiving 336 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
K. Ohta Japan	8	235	154	69	68	65	10	351
Harry J. T. Preston United States	9	240 1.0×	112 0.7×	68 1.0×	27 0.4×	73 1.1×	14	357
J. A. Menapace United States	8	333 1.4×	147 1.0×	85 1.2×	36 0.5×	204 3.1×	9	464
P.R. Salvi Italy	15	237 1.0×	195 1.3×	177 2.6×	52 0.8×	107 1.6×	45	517
Samuel A. Abrash United States	12	331 1.4×	141 0.9×	80 1.2×	32 0.5×	186 2.9×	18	456
Paul R. Winter United States	10	273 1.2×	115 0.7×	30 0.4×	30 0.4×	168 2.6×	15	398
Hojing Kim United States	8	252 1.1×	105 0.7×	70 1.0×	53 0.8×	60 0.9×	17	381
J. E. Parkin United Kingdom	7	265 1.1×	171 1.1×	38 0.6×	39 0.6×	201 3.1×	14	402
T. H. Dunning United States	10	348 1.5×	99 0.6×	42 0.6×	48 0.7×	120 1.8×	13	436
Anders Bernhardsson Sweden	10	363 1.5×	187 1.2×	119 1.7×	40 0.6×	123 1.9×	13	585
Thomas M. Halasinski United States	7	262 1.1×	114 0.7×	92 1.3×	116 1.7×	122 1.9×	8	469

Countries citing papers authored by K. Ohta

Since Specialization

Citations

This map shows the geographic impact of K. Ohta'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 K. Ohta with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites K. Ohta more than expected).

Fields of papers citing papers by K. Ohta

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K. Ohta. 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 K. Ohta. The network helps show where K. Ohta may publish in the future.

Co-authorship network of co-authors of K. Ohta

This figure shows the co-authorship network connecting the top 25 collaborators of K. Ohta. A scholar is included among the top collaborators of K. Ohta 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 K. Ohta. K. Ohta is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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10 of 10 papers shown

Vansevičius, V., N. Arimoto, Takashi Hasegawa, et al.. (2012). AN EXTENDED STAR CLUSTER AT THE OUTER EDGE OF THE SPIRAL GALAXY M 33 1. 16 indexed citations

Inoue, H., et al.. (1998). Sky surveys with ASCA — Large Sky Survey. Astronomische Nachrichten. 319(1-2). 47–50. 7 indexed citations

Ohta, K., et al.. (1986). Stereoelectronic effects in intramolecular long-distance electron transfer in radical anions as predicted by ab-initio MO calculations. Journal of the American Chemical Society. 108(6). 1319–1320. 110 indexed citations

Ohta, K., et al.. (1984). Relative conformer stability of diphosphine and phosphinodifluorophosphine: An ab initio study. Journal of Molecular Structure THEOCHEM. 109(3-4). 287–292. 4 indexed citations

Ohta, K., et al.. (1983). Experimental and theoretical study on cation radicals of cyclopropane, cyclobutane and cyclopentane. Chemical Physics. 76(2). 271–281. 27 indexed citations

Nakatsuji, Hiroshi, K. Ohta, & T. Yonezawa. (1983). Cluster expansion of the wave function. Spin and electron correlations in doublet radicals studied by the symmetry adapted cluster and symmetry adapted cluster-configuration interaction theories. The Journal of Physical Chemistry. 87(16). 3068–3074. 45 indexed citations

Ohta, K., Hiroshi Nakatsuji, Ikuko Maeda, & T. Yonezawa. (1982). Ab initio calculation of geometries and hfs constants of CH3, SiH3 and GeH3 radicals. Chemical Physics. 67(1). 49–58. 29 indexed citations

Fukui, H., et al.. (1982). Calculation of the nuclear spin–spin coupling constants. IV. π-electron contributions. The Journal of Chemical Physics. 76(10). 5169–5170. 9 indexed citations

Nakatsuji, Hiroshi, K. Ohta, & Kimihiko Hirao. (1981). Cluster expansion of the wave function. Electron correlations in the ground state, valence and Rydberg excited states, ionized states, and electron attached states of formaldehyde by SAC and SAC–CI theories. The Journal of Chemical Physics. 75(6). 2952–2958. 66 indexed citations

10.

Ohta, K., Hiroshi Nakatsuji, Kimihiko Hirao, & T. Yonezawa. (1980). A b i n i t i o calculation of hyperfine splitting constants of molecules. The Journal of Chemical Physics. 73(4). 1770–1776. 38 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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