K. Chadan

1.1k total citations · 1 hit paper
36 papers, 659 citations indexed

About

K. Chadan is a scholar working on Atomic and Molecular Physics, and Optics, Mathematical Physics and Statistical and Nonlinear Physics. According to data from OpenAlex, K. Chadan has authored 36 papers receiving a total of 659 indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Atomic and Molecular Physics, and Optics, 18 papers in Mathematical Physics and 11 papers in Statistical and Nonlinear Physics. Recurrent topics in K. Chadan's work include Spectral Theory in Mathematical Physics (16 papers), Quantum Mechanics and Non-Hermitian Physics (16 papers) and Quantum chaos and dynamical systems (10 papers). K. Chadan is often cited by papers focused on Spectral Theory in Mathematical Physics (16 papers), Quantum Mechanics and Non-Hermitian Physics (16 papers) and Quantum chaos and dynamical systems (10 papers). K. Chadan collaborates with scholars based in France, Switzerland and Austria. K. Chadan's co-authors include Roger G. Newton, Pierre Sabatier, S. Ôneda, A. Martin, Micheline Musette, R. Kobayashi, E. Mourre, Harald Grosse and D. Bollé and has published in prestigious journals such as Physical Review Letters, Nuclear Physics B and Communications in Mathematical Physics.

In The Last Decade

K. Chadan

35 papers receiving 621 citations

Hit Papers

align trajectories

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.

Inverse Problems in Quantum Scattering Theory

1989 427 citations K. Chadan, Pierre Sabatier et al. CERN Document Server (European Organization for Nuclear Research) profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K. Chadan France	9	295	276	148	146	89	36	659
Khosrow Chadan France	3	418 1.4×	308 1.1×	102 0.7×	225 1.5×	137 1.5×	6	834
T. A. Osborn Canada	16	154 0.5×	671 2.4×	256 1.7×	314 2.2×	33 0.4×	68	918
S. P. Merkuriev Russia	13	93 0.3×	519 1.9×	329 2.2×	113 0.8×	39 0.4×	25	756
R. J. Finkelstein United States	13	151 0.5×	255 0.9×	386 2.6×	270 1.8×	111 1.2×	60	834
W. Zimmermann Germany	7	119 0.4×	513 1.9×	569 3.8×	244 1.7×	66 0.7×	10	1.1k
Richard M. Spector United States	8	70 0.2×	255 0.9×	147 1.0×	142 1.0×	35 0.4×	23	442
N. N. Khuri United States	16	92 0.3×	400 1.4×	656 4.4×	138 0.9×	55 0.6×	46	1.1k
Marcel Coz United States	11	70 0.2×	666 2.4×	360 2.4×	165 1.1×	38 0.4×	28	952
G. Mahoux France	14	83 0.3×	113 0.4×	252 1.7×	90 0.6×	24 0.3×	32	516
H. Ekstein United States	11	49 0.2×	289 1.0×	103 0.7×	100 0.7×	25 0.3×	31	442

Countries citing papers authored by K. Chadan

Since Specialization

Citations

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

Fields of papers citing papers by K. Chadan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

This figure shows the co-authorship network connecting the top 25 collaborators of K. Chadan. A scholar is included among the top collaborators of K. Chadan 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. Chadan. K. Chadan 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

1.

Chadan, K. & R. Kobayashi. (1997). A sufficient condition for the existence of bound states in a potential. Journal of Mathematical Physics. 38(10). 4900–4908. 1 indexed citations

2.

Chadan, K., et al.. (1995). New bounds on the number of bound states for Schr�dinger operators. Letters in Mathematical Physics. 35(3). 213–219. 3 indexed citations

3.

Chadan, K., Pierre Sabatier, & Roger G. Newton. (1989). Inverse Problems in Quantum Scattering Theory. CERN Document Server (European Organization for Nuclear Research). 427 indexed citations breakdown →

4.

Bollé, D., et al.. (1986). On a sufficient condition of the existence of N-particle bound states. Journal of Physics A Mathematical and General. 19(12). 2337–2344. 3 indexed citations

5.

Chadan, K. & Harald Grosse. (1983). New bounds on the number of bound states. Journal of Physics A Mathematical and General. 16(5). 955–961. 3 indexed citations

6.

Chadan, K., et al.. (1980). A tauberian theorem in quantum mechanical inverse scattering theory. French digital mathematics library (Numdam). 33(3). 283–300. 1 indexed citations

7.

Chadan, K. & A. Martin. (1979). Scattering theory and dispersion relations for a class of long-range oscillating potentials. Communications in Mathematical Physics. 70(1). 1–27. 1 indexed citations

8.

Chadan, K. & A. Martin. (1977). Inequalities on the number of bound states in oscillating potentials. Communications in Mathematical Physics. 53(3). 221–231. 7 indexed citations

9.

Chadan, K., et al.. (1976). Scattering theory with highly singular oscillating potentials. French digital mathematics library (Numdam). 24(1). 1–16. 9 indexed citations

10.

Chadan, K., et al.. (1975). The inverse scattering problem for singular oscillating potentials. Nuclear Physics A. 255(1). 35–44. 6 indexed citations

11.

Chadan, K., et al.. (1968). Derivation of Nonrelativistic Sum Rules from the Causality Condition of Wigner and Van Kampen. Journal of Mathematical Physics. 9(11). 1898–1914. 2 indexed citations

12.

Chadan, K.. (1967). On a class of completely transparent nonlocal two-body potentials. Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields. 47(3). 510–525. 18 indexed citations

13.

Chadan, K., et al.. (1967). Nonrelativistic Sum Rules and the Binding Energy of the Deuteron. Physical Review. 164(5). 1762–1766. 8 indexed citations

14.

Chadan, K.. (1966). Sum rules in potential scattering—II Addendum. Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields. 44(3). 838–838. 2 indexed citations

15.

Chadan, K.. (1965). Some simple sum rules in potential scattering. Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields. 40(4). 1194–1205. 6 indexed citations

16.

Chadan, K.. (1965). Optical model and analiticity in momentum transfer. Il Nuovo Cimento. 37(2). 658–663. 1 indexed citations

17.

Chadan, K.. (1965). The interpolation of the wave function and the jost functions in the energy plane. Il Nuovo Cimento. 39(2). 697–703. 4 indexed citations

18.

Chadan, K., et al.. (1964). The riccati equation and regge poles. Il Nuovo Cimento. 34(3). 665–689. 3 indexed citations

19.

Chadan, K.. (1962). The left-hand cut discontinuity and equivalent potentials. Il Nuovo Cimento. 24(3). 379–384. 3 indexed citations

20.

Chadan, K.. (1955). Potentiel neutron-proton et photodésintégration du deutéron. Journal de Physique. 16(11). 843–848. 2 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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