Saul T. Epstein

3.3k total citations · 1 hit paper
94 papers, 2.0k citations indexed

About

Saul T. Epstein is a scholar working on Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics and Mathematical Physics. According to data from OpenAlex, Saul T. Epstein has authored 94 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Atomic and Molecular Physics, and Optics, 29 papers in Statistical and Nonlinear Physics and 9 papers in Mathematical Physics. Recurrent topics in Saul T. Epstein's work include Quantum Mechanics and Applications (11 papers), Advanced Chemical Physics Studies (11 papers) and Quantum Mechanics and Non-Hermitian Physics (10 papers). Saul T. Epstein is often cited by papers focused on Quantum Mechanics and Applications (11 papers), Advanced Chemical Physics Studies (11 papers) and Quantum Mechanics and Non-Hermitian Physics (10 papers). Saul T. Epstein collaborates with scholars based in United States, Canada and Australia. Saul T. Epstein's co-authors include P. W. Langhoff, Martin Karplus, Joseph O. Hirschfelder, R. E. Johnson, A. Dalgarno, R. E. Johnson, William J. Meath, Debbie Fu-Tai Tuan, C. M. Rosenthal and A. C. Hurley and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Reviews of Modern Physics.

In The Last Decade

Saul T. Epstein

90 papers receiving 1.8k 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.

Aspects of Time-Dependent Perturbation Theory

1972 499 citations Saul T. Epstein et al. profile →

Peers

Saul T. Epstein

AMPO

SPECT

PTC

SNP

EOMM

Walter R. Thorson Canada

Harris J. Silverstone United States

Alan Coleman Canada

Jacob Katriel Israel

M. J. Stephen United States

Erkki Brändas Sweden

E. A. Power United Kingdom

Jan Linderberg Denmark

Phillip R. Certain United States

Jacek Karwowski Poland

Walter R. Thorson Canada

Saul T. Epstein

2.1k ×1.3

AMPO

592 ×1.6

SPECT

229 ×0.8

PTC

177 ×0.6

SNP

142 ×0.8

EOMM

Citations per year, relative to Saul T. Epstein Saul T. Epstein (= 1×) peers Walter R. Thorson

Countries citing papers authored by Saul T. Epstein

Since Specialization

Citations

This map shows the geographic impact of Saul T. Epstein'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 Saul T. Epstein with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Saul T. Epstein more than expected).

Fields of papers citing papers by Saul T. Epstein

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Saul T. Epstein. 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 Saul T. Epstein. The network helps show where Saul T. Epstein may publish in the future.

Co-authorship network of co-authors of Saul T. Epstein

This figure shows the co-authorship network connecting the top 25 collaborators of Saul T. Epstein. A scholar is included among the top collaborators of Saul T. Epstein 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 Saul T. Epstein. Saul T. Epstein 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.

Epstein, Saul T.. (1984). Comment on "Supersymmetry and the Bistable Fokker-Planck Equation". Physical Review Letters. 53(13). 1299–1299. 1 indexed citations

2.

Epstein, Saul T.. (1980). Gauge Invariance — A Brief Review. Israel Journal of Chemistry. 19(1-4). 154–158. 19 indexed citations

3.

Epstein, Saul T. & C. M. Rosenthal. (1976). The Hohenberg–Kohn theorem. The Journal of Chemical Physics. 64(1). 247–249. 29 indexed citations

4.

Epstein, Saul T.. (1975). Coordinate invariance, the differential force law, and the divergence of the stress-energy tensor. The Journal of Chemical Physics. 63(8). 3573–3574. 39 indexed citations

5.

Epstein, Saul T.. (1974). Generalized Hellmann-Feynman theorems and hypervirial theorems for X α-like methods. The Journal of Chemical Physics. 60(8). 3328–3329. 8 indexed citations

6.

Epstein, Saul T. & Michael F. Barnsley. (1973). A variational approach to the theory of multipoint Padé approximants. Journal of Mathematical Physics. 14(3). 314–325. 12 indexed citations

7.

Epstein, Saul T. & Phillip R. Certain. (1973). Comment: ``On a modified Rayleigh-Schrödinger perturbation expansion''. The Journal of Chemical Physics. 58(6). 2670–2671. 2 indexed citations

8.

Certain, Phillip R., Joseph O. Hirschfelder, & Saul T. Epstein. (1969). Application of exchange perturbation theories to the delta-function model of H+2. Chemical Physics Letters. 4(6). 401–404. 7 indexed citations

9.

Epstein, Saul T.. (1968). A Derivation of the Jacobi Identity in Classical Mechanics. American Journal of Physics. 36(8). 759–759.

10.

Epstein, Saul T.. (1968). Note on the Excited Vibrational States of Molecules in the Adiabatic Approximation. The Journal of Chemical Physics. 49(3). 1436–1436. 3 indexed citations

11.

Epstein, Saul T.. (1968). General Remainder Theorem. The Journal of Chemical Physics. 48(10). 4725–4726. 5 indexed citations

12.

Epstein, Saul T. & R. E. Johnson. (1967). Improvement of Uncoupled Hartree-Fock Expectation Values for Physical Properties. II. The Journal of Chemical Physics. 47(7). 2275–2277. 61 indexed citations

13.

Epstein, Saul T., et al.. (1966). Generalized Sternheimer Potential. The Journal of Chemical Physics. 44(11). 4347–4348. 8 indexed citations

14.

Epstein, Saul T., et al.. (1965). Some Remarks on the Use of the Variational Principle for the Second-Order Energy. The Journal of Chemical Physics. 42(10). 3630–3631. 23 indexed citations

15.

Epstein, Saul T.. (1965). Remarks on the Calculation of the van der Waals Energy. The Journal of Chemical Physics. 43(12). 4398–4400. 2 indexed citations

16.

Epstein, Saul T.. (1964). Hartree—Fock Hamiltonians and Separable Nonlocal Potentials. The Journal of Chemical Physics. 41(4). 1045–1046. 18 indexed citations

17.

Epstein, Saul T.. (1962). Hypervirial Theorems and Variational Calculations in Classical Mechanics. Journal of Applied Physics. 33(1). 235–236. 3 indexed citations

18.

Epstein, Saul T.. (1960). On the origin of super-selection rules. Il Nuovo Cimento. 16(2). 362–364. 1 indexed citations

19.

Epstein, Saul T.. (1953). The Causal Interpretation of Quantum Mechanics. Physical Review. 91(4). 985–985. 12 indexed citations

20.

Epstein, Saul T.. (1952). The Theory of the Impulse Approximation. Physical Review. 86(6). 836–837. 5 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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