L. J. Massa

556 total citations
17 papers, 381 citations indexed

About

L. J. Massa is a scholar working on Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Materials Chemistry. According to data from OpenAlex, L. J. Massa has authored 17 papers receiving a total of 381 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Atomic and Molecular Physics, and Optics, 6 papers in Physical and Theoretical Chemistry and 5 papers in Materials Chemistry. Recurrent topics in L. J. Massa's work include Advanced Chemical Physics Studies (10 papers), X-ray Diffraction in Crystallography (4 papers) and Spectroscopy and Quantum Chemical Studies (3 papers). L. J. Massa is often cited by papers focused on Advanced Chemical Physics Studies (10 papers), X-ray Diffraction in Crystallography (4 papers) and Spectroscopy and Quantum Chemical Studies (3 papers). L. J. Massa collaborates with scholars based in United States. L. J. Massa's co-authors include William L. Clinton, Lulu Huang, J. Karle, C. Frishberg, A. M. Sapse, R. F. Boehme, S. J. La Placa, George A. Henderson, P. M. Solomon and S. W. Harrison and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Physical review. B, Condensed matter.

In The Last Decade

L. J. Massa

16 papers receiving 369 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
L. J. Massa United States	10	250	147	140	77	73	17	381
Frank L. Pilar United States	8	252 1.0×	69 0.5×	155 1.1×	111 1.4×	88 1.2×	25	489
Joseph B. Kim United States	8	348 1.4×	87 0.6×	116 0.8×	109 1.4×	145 2.0×	9	495
Donald R. Whitman United States	11	227 0.9×	90 0.6×	103 0.7×	104 1.4×	151 2.1×	17	443
Inga Fischer‐Hjalmars Sweden	12	314 1.3×	82 0.6×	191 1.4×	129 1.7×	165 2.3×	37	559
Hojing Kim United States	8	252 1.0×	70 0.5×	105 0.8×	47 0.6×	60 0.8×	17	381
U. Pincelli Italy	10	213 0.9×	55 0.4×	67 0.5×	125 1.6×	147 2.0×	14	368
K. Wittel Germany	13	353 1.4×	116 0.8×	166 1.2×	201 2.6×	143 2.0×	27	581
Keith R. Roby Australia	12	334 1.3×	124 0.8×	130 0.9×	190 2.5×	71 1.0×	19	601
Roy E. Kari Canada	16	433 1.7×	107 0.7×	103 0.7×	88 1.1×	235 3.2×	26	560
N. S. Chiu United States	8	372 1.5×	56 0.4×	191 1.4×	124 1.6×	227 3.1×	11	541

Countries citing papers authored by L. J. Massa

Since Specialization

Citations

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

Fields of papers citing papers by L. J. Massa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by L. J. Massa. 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 L. J. Massa. The network helps show where L. J. Massa may publish in the future.

Co-authorship network of co-authors of L. J. Massa

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

All Works

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17 of 17 papers shown

Matta, Chérif F., Lulu Huang, & L. J. Massa. (2023). Quantum Crystallography. 5 indexed citations

Huang, Lulu, L. J. Massa, & J. Karle. (1999). Quantum crystallography applied to crystalline maleic anhydride. International Journal of Quantum Chemistry. 73(5). 439–450. 19 indexed citations

Massa, L. J., Lulu Huang, & J. Karle. (1995). Quantum crystallography and the use of kernel projector matrices. International Journal of Quantum Chemistry. 56(S29). 371–384. 58 indexed citations

Clinton, William L., et al.. (1992). Dependence of the one-body density matrix on the superconducting gap parameter Δ(T). Physical review. B, Condensed matter. 46(14). 9237–9239.

Massa, L. J., et al.. (1989). Reduced density matrices N-representable by correlated determinant wavefunctions. Journal of Molecular Structure THEOCHEM. 199. 337–342. 1 indexed citations

Massa, L. J., et al.. (1985). Wave Functions Derived by Quantum Modeling of the Electron Density from Coherent X-Ray Diffraction: Beryllium Metal. Physical Review Letters. 55(6). 622–625. 64 indexed citations

Massa, L. J., et al.. (1983). Quantum model of coherent X‐ray diffraction: Extension to Bloch orbitals. International Journal of Quantum Chemistry. 24(1). 113–126. 7 indexed citations

Frishberg, C. & L. J. Massa. (1983). Density matrix equation for crystals. International Journal of Quantum Chemistry. 23(1). 85–89. 1 indexed citations

Frishberg, C. & L. J. Massa. (1982). Numerical applications of a quantum model for the coherent diffraction experiment. Acta Crystallographica Section A. 38(1). 93–98. 18 indexed citations

10.

Massa, L. J., et al.. (1981). Guanidinium ion self-consistent field calculations: fluoro, amino, and methyl single substituents. The Journal of Organic Chemistry. 46(11). 2330–2333. 6 indexed citations

11.

Sapse, A. M. & L. J. Massa. (1980). Guanidinium ion: SCF calculations. The Journal of Organic Chemistry. 45(4). 719–721. 33 indexed citations

12.

Harrison, S. W., L. J. Massa, & P. M. Solomon. (1973). He–Be 2+ interaction energy at small internuclear distances. The Journal of Chemical Physics. 59(1). 263–266. 10 indexed citations

13.

Clinton, William L. & L. J. Massa. (1972). The cusp condition: Constraint on the electron density matrix. International Journal of Quantum Chemistry. 6(3). 519–523. 14 indexed citations

14.

Clinton, William L. & L. J. Massa. (1972). Derivation of a Statistical Mechanical Distribution Function by a Method of Inequalities. American Journal of Physics. 40(4). 608–610. 2 indexed citations

15.

Clinton, William L. & L. J. Massa. (1972). Determination of the Electron Density Matrix from X-Ray Diffraction Data. Physical Review Letters. 29(20). 1363–1366. 64 indexed citations

16.

Clinton, William L., et al.. (1969). Direct Determination of Pure-State Density Matrices. V. Constrained Eigenvalue Problems. Physical Review. 177(1). 27–33. 22 indexed citations

17.

Clinton, William L., et al.. (1969). Direct Determination of Pure-State Density Matrices. II. Construction of Constrained Idempotent One-Body Densities. Physical Review. 177(1). 7–13. 57 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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