Ludger Hoffmann

1.6k total citations
49 papers, 985 citations indexed

About

Ludger Hoffmann is a scholar working on Condensed Matter Physics, Mechanics of Materials and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Ludger Hoffmann has authored 49 papers receiving a total of 985 indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Condensed Matter Physics, 25 papers in Mechanics of Materials and 7 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Ludger Hoffmann's work include Muon and positron interactions and applications (25 papers), Physics of Superconductivity and Magnetism (22 papers) and Superconductivity in MgB2 and Alloys (8 papers). Ludger Hoffmann is often cited by papers focused on Muon and positron interactions and applications (25 papers), Physics of Superconductivity and Magnetism (22 papers) and Superconductivity in MgB2 and Alloys (8 papers). Ludger Hoffmann collaborates with scholars based in Switzerland, United States and Italy. Ludger Hoffmann's co-authors include Μ. Peter, Abhay Shukla, A. A. Manuel, E. Wałker, B. Barbiellini, W. Sadowski, S. Massidda, Klaus Vorderwülbecke, A. Junod and J. Cors and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Japanese Journal of Applied Physics.

In The Last Decade

Ludger Hoffmann

45 papers receiving 894 citations

Peers

Countries citing papers authored by Ludger Hoffmann

Since Specialization

Citations

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

Fields of papers citing papers by Ludger Hoffmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ludger Hoffmann

This figure shows the co-authorship network connecting the top 25 collaborators of Ludger Hoffmann. A scholar is included among the top collaborators of Ludger Hoffmann 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 Ludger Hoffmann. Ludger Hoffmann 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	Zur Sprache des Rassismus 2020 ·Publication Server of the Institute for German Language (Institute for German Language) ·Ludger Hoffmann	2
2	Deutsche Grammatik : Grundlagen für Lehrerausbildung, Schule, Deutsch als Zweitsprache und Deutsch als Fremdsprache 2013 ·E. Schmidt eBooks ·Ludger Hoffmann	3
3	Sprachwissenschaft 2010 ·Ludger Hoffmann	1
4	Über ja 2008 ·Deutsche Sprache digital/Deutsche Sprache ·Ludger Hoffmann	2
5	Chat und Thema 2004 ·Ludger Hoffmann	3
6	Grammatik der deutschen Sprache 2000 ·Die Unterrichtspraxis/Teaching German ·John M. Jeep, Gisela Zifonun, Ludger Hoffmann, Bruno Strecker, Joachim Ballweg, Ursula Brauße, Eva Breindl, Ulrich Engel, (unknown), (unknown), Klaus Vorderwülbecke	102
7	Grammatik der gesprochenen Sprache 1998 ·Ludger Hoffmann	0
8	"Ridge" Fermi Surface Study in Metallic (R)Ba₂Cu₃O_7-δ(R = Y, Dy) and in Oxygen Deficient YBa₂Cu₃O_7-δby Positron Annihilation 1995 ·Acta Physica Polonica A ·Ludger Hoffmann, A. A. Manuel, B. Barbiellini, Μ. Peter, Abhay Shukla, E. Wałker	2
9	Positron trapping inY1−xPrxBa2Cu3O7−δand the Fermi surface ofYBa2Cu3O7−δ 1995 ·Physical review. B, Condensed matter ·Abhay Shukla, Ludger Hoffmann, A. A. Manuel, E. Wałker, B. Barbiellini, Μ. Peter	20
10	Fermi surfaces of high-Tc superconductors by positron 2D-ACAR 1995 ·Journal of Physics and Chemistry of Solids ·A. A. Manuel, Abhay Shukla, Ludger Hoffmann, T. Jarlborg, B. Barbiellini, S. Massidda, W. Sadowski, E. Wałker, A. Erb, Μ. Peter	3
11	Study of the chain related Fermi surface in (R)Ba2Cu3O7−δ 1993 ·Physical Review Letters ·Ludger Hoffmann, A. A. Manuel, Μ. Peter, E. Wałker, M. Gauthier, Abhay Shukla, B. Barbiellini, S. Massidda, Gh. Adam, (unknown), W. N. Hardy, (unknown)	47
12	Analysis of positron lifetime spectra using quantified maximum entropy and a general linear filter 1993 ·Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment ·Abhay Shukla, Μ. Peter, Ludger Hoffmann	273
13	Fermi Surface Study of YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> by 2D-ACAR 1992 ·Materials science forum ·Ludger Hoffmann, W. Sadowski, Μ. Peter	5
14	On the Fermi Surface of YBa ₂ Cu ₃ O _7-δ 1992 ·Europhysics Letters (EPL) ·Μ. Peter, (unknown), Ludger Hoffmann, W. Sadowski	20
15	Positron annihilation on single crystals ofYBa2Cu3O7−x 1991 ·Physical review. B, Condensed matter ·B. Barbiellini, (unknown), J.Y. Henry, Ludger Hoffmann, T. Jarlborg, A. A. Manuel, S. Massidda, Μ. Peter, W. Sadowski, Hans J. Scheel, Abhay Shukla, Avinash Kumar Singh, E. Wałker	38
16	Rechtsdiskurse : Untersuchungen zur Kommunikation in Gerichtsverfahren 1989 ·G. Narr eBooks ·Ludger Hoffmann	5
17	Fermi surface of YBa2Cu3O7−x by positron annihilation 1988 ·Physica C Superconductivity ·Ludger Hoffmann, A. A. Manuel, Μ. Peter, E. Wałker, (unknown)	21
18	Electronic Structure of YBa ₂ Cu ₃ O _{7- x} by Positron Annihilation 1988 ·Europhysics Letters (EPL) ·Ludger Hoffmann, A. A. Manuel, Μ. Peter, E. Wałker, (unknown)	47
19	A.C. Susceptibility and Specific Heat in Low B.C. Fields of La_2-xSr_xCuO₄ and YBa₂Cu₃O₇ High Temperature Superconductors 1987 ·Japanese Journal of Applied Physics ·A. Junod, A. Bezinge, D. Cattani, J. Cors, M. Decroux, Ø. Fischer, (unknown), Ludger Hoffmann, J.L. Jordá, P. Bonville, E. Wałker	8
20	Kommunikation vor Gericht 1983 ·Publication Server of the Institute for German Language (Institute for German Language) ·Ludger Hoffmann	9

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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