S. Kar

7.8k citations

110 papers · 4.4k · 2 hit papers · h-index 33

Impact in

Nuclear and High Energy Physics top 0.2%
- Laser-Plasma Interactions and Diagnostics
- Magnetic confinement fusion research
Geophysics top 1%
- High-pressure geophysics and materials

Papers in

Nuclear and High Energy Physics 101
- Laser-Plasma Interactions and Diagnostics 101
Mechanics of Materials 54
- Laser-induced spectroscopy and plasma 54

Co-authors: M. Zepf (22 shared papers)M. Borghesi (71 shared papers)C. Bellei (10 shared papers)A. P. L. Robinson (5 shared papers)P. McKenna (44 shared papers)Roger G. Evans (5 shared papers)D. Neely (33 shared papers)O. Willi (28 shared papers)
Journals: Physical Review Letters (20 papers)Plasma Physics and Controlled Fusion (12 papers)Physics of Plasmas (7 papers)New Journal of Physics (7 papers)Laser and Particle Beams (6 papers)
Partner nations: United Kingdom Germany Italy

In The Last Decade

S. Kar

106 papers receiving 4.3k citations

S. Kar's Hit Papers

align trajectories log scale

Near-100 MeV protons via a laser-driven transparency-enhanced hybrid acceleration scheme 2018 · 294 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2018 Nature Communications
2008 New Journal of Physics

Peers

Countries citing papers authored by S. Kar

Since Specialization

Citations

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

Fields of papers citing papers by S. Kar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside S. Kar, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with S. Kar Line = papers co-authored together S. Kar links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 110 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Radiation pressure acceleration of thin foils with circularly polarized laser pulses New Journal of Physics ·A. P. L. Robinson, M. Zepf, S. Kar, Roger G. Evans, C. Bellei Hit paper breakdown →	2008	470
2	Near-100 MeV protons via a laser-driven transparency-enhanced hybrid acceleration scheme Nature Communications ·A. Higginson, R. J. Gray, M. King, R. J. Dance, S. D. R. Williamson, N. M. H. Butler, R. Wilson, R. Capdessus, C. Armstrong, J. S. Green, Sarah Hawkes, Philip Martin, Wenqing Wei, S. R. Mirfayzi, Xiaohui Yuan, S. Kar, M. Borghesi, R. J. Clarke, D. Neely, P. McKenna Hit paper breakdown →	2018	294
3	Multi-MeV Proton Source Investigations in Ultraintense Laser-Foil Interactions Physical Review Letters ·M. Borghesi, A. J. Mackinnon, David H. Campbell, D. G. Hicks, S. Kar, P. K. Patel, D. Price, L. Romagnani, A. Schiavi, O. Willi	2004	222
4	Dynamics of Electric Fields Driving the Laser Acceleration of Multi-MeV Protons Physical Review Letters ·L. Romagnani, J. Fuchs, M. Borghesi, P. Antici, P. Audebert, F. Ceccherini, T. E. Cowan, Thomas Grismayer, S. Kar, Andrea Macchi, P. Mora, G. Pretzler, A. Schiavi, T. Toncian, O. Willi	2005	209
5	Ion Acceleration in Multispecies Targets Driven by Intense Laser Radiation Pressure Physical Review Letters ·S. Kar, K. F. Kakolee, B. Qiao, Andrea Macchi, M. Cerchez, D. Doria, M. Geissler, P. McKenna, D. Neely, J. Osterholz, R. Prasad, K. Quinn, B. Ramakrishna, G. Sarri, O. Willi, Xiaohui Yuan, M. Zepf, M. Borghesi	2012	201
6	Bright Multi-keV Harmonic Generation from Relativistically Oscillating Plasma Surfaces Physical Review Letters ·B. Dromey, S. Kar, C. Bellei, D. C. Carroll, R. J. Clarke, J.S. Green, S. Kneip, K. Markey, S. R. Nagel, P. T. Simpson, L. Willingale, P. McKenna, D. Neely, Z. Najmudin, K. Krushelnick, P. A. Norreys, M. Zepf	2007	179
7	Relativistically correct hole-boring and ion acceleration by circularly polarized laser pulses Plasma Physics and Controlled Fusion ·A. P. L. Robinson, P. Gibbon, M. Zepf, S. Kar, R. G. Evans, C. Bellei	2009	178
8	The plasma mirror—A subpicosecond optical switch for ultrahigh power lasers Review of Scientific Instruments ·B. Dromey, S. Kar, M. Zepf, P. Foster	2004	164
9	Diffraction-limited performance and focusing of high harmonics from relativistic plasmas Nature Physics ·B. Dromey, Daryl Adams, R. Hörlein, Yutaka Nomura, S. G. Rykovanov, D. C. Carroll, P. S. Foster, S. Kar, K. Markey, P. McKenna, D. Neely, M. Geissler, G. D. Tsakiris, M. Zepf	2009	116
10	Progress in the study of warm dense matter Plasma Physics and Controlled Fusion ·(unknown), A. Benuzzi‐Mounaix, A. Ravasio, T. Vinci, Norimasa Ozaki, S. Le Pape, D. Batani, G. Hüser, T. Hall, D. G. Hicks, A. J. Mackinnon, P. K. Patel, H S Park, T. R. Boehly, M. Borghesi, S. Kar, L. Romagnani	2005	110
11	Guided post-acceleration of laser-driven ions by a miniature modular structure Nature Communications ·S. Kar, H. Ahmed, R. Prasad, M. Cerchez, Stephanie Brauckmann, B. Aurand, G. Cantono, Prokopis Hadjisolomou, C. L. S. Lewis, Andrea Macchi, G. Nersisyan, A. P. L. Robinson, A. M. Schroer, M. Swantusch, Matt Zepf, Oswald Willi, M. Borghesi	2016	101
12	Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets Laser and Particle Beams ·P. McKenna, D. C. Carroll, O. Lundh, F. Nürnberg, K. Markey, S.K. Bandyopadhyay, D. Batani, Roger G. Evans, Rashida Jafer, S. Kar, D. Neely, D. Pepler, M. N. Quinn, R. Redaelli, M. Roth, C.-G. Wahlström, Xiaohui Yuan, M. Zepf	2008	95
13	Laser-driven x-ray and neutron source development for industrial applications of plasma accelerators Plasma Physics and Controlled Fusion ·C. M. Brenner, S. R. Mirfayzi, D. Rusby, C. Armstrong, A. Alejo, L. A. Wilson, R. J. Clarke, H. Ahmed, N. M. H. Butler, David D. Haddock, A. Higginson, A. N. McClymont, C. D. Murphy, M. Notley, Peter M. Oliver, R. Allott, Cristina Hernandez–Gomez, S. Kar, P. McKenna, D. Neely	2015	95
14	Dominance of Radiation Pressure in Ion Acceleration with Linearly Polarized Pulses at Intensities of1021 W cm−2 Physical Review Letters ·B. Qiao, S. Kar, M. Geissler, P. Gibbon, M. Zepf, M. Borghesi	2012	88
15	Guiding of Relativistic Electron Beams in Solid Targets by Resistively Controlled Magnetic Fields Physical Review Letters ·S. Kar, A. P. L. Robinson, D. C. Carroll, O. Lundh, K. Markey, P. McKenna, P. A. Norreys, M. Zepf	2009	86
16	Biological effectiveness on live cells of laser driven protons at dose rates exceeding 109 Gy/s AIP Advances ·D. Doria, K. F. Kakolee, S. Kar, S. K. Litt, F. Fiorini, H. Ahmed, S. Green, J. Charles G. Jeynes, Joy N. Kavanagh, D. Kirby, K.J. Kirkby, C. L. S. Lewis, Michael J. Merchant, G. Nersisyan, R. Prasad, Kevin M. Prise, Giuseppe Schettino, M. Zepf, M. Borghesi	2012	83
17	Dynamic Control of Laser-Produced Proton Beams Physical Review Letters ·S. Kar, K. Markey, P. T. Simpson, C. Bellei, J. S. Green, S. R. Nagel, S. Kneip, D. C. Carroll, B. Dromey, L. Willingale, Ε. L. Clark, P. McKenna, Z. Najmudin, K. Krushelnick, P. A. Norreys, R. J. Clarke, D. Neely, M. Borghesi, M. Zepf	2008	71
18	Laser-Driven Fast Electron Collimation in Targets with Resistivity Boundary Physical Review Letters ·B. Ramakrishna, S. Kar, A. P. L. Robinson, Darryl Adams, K. Markey, M. N. Quinn, Xiaohui Yuan, P. McKenna, Kate Lancaster, J. S. Green, R. H. Scott, P. A. Norreys, J. Schreiber, M. Zepf	2010	67
19	Plasma Jets Driven by Ultraintense-Laser Interaction with Thin Foils Physical Review Letters ·S. Kar, M. Borghesi, S. V. Bulanov, M. H. Key, T. V. Liseykina, Andrea Macchi, A. J. Mackinnon, P. K. Patel, L. Romagnani, A. Schiavi, O. Willi	2008	63
20	Dynamics of Self-Generated, Large Amplitude Magnetic Fields Following High-Intensity Laser Matter Interaction Physical Review Letters ·G. Sarri, Andrea Macchi, C. A. Cecchetti, S. Kar, T. V. Liseykina, Xiaohu Yang, M. E. Dieckmann, J. Fuchs, M. Galimberti, L. A. Gizzi, R. Jung, I. Kourakis, J. Osterholz, Ф. Пегораро, A. P. L. Robinson, L. Romagnani, O. Willi, M. Borghesi	2012	59

About S. Kar

S. Kar is a scholar working on Nuclear and High Energy Physics, Mechanics of Materials, Atomic and Molecular Physics, and Optics, Geophysics and Radiation, having authored 110 papers that have together received 4.4k indexed citations. Recurring topics across this work include Laser-Plasma Interactions and Diagnostics (101 papers), Laser-induced spectroscopy and plasma (54 papers), High-pressure geophysics and materials (44 papers), Laser-Matter Interactions and Applications (42 papers), Nuclear Physics and Applications (17 papers), Ion-surface interactions and analysis (12 papers), Radiation Therapy and Dosimetry (10 papers) and Atomic and Molecular Physics (6 papers). The work is most often cited by research in Nuclear and High Energy Physics (4.0k citations), Geophysics (1.4k citations), Mechanics of Materials (2.5k citations), Atomic and Molecular Physics, and Optics (2.4k citations) and Radiation (561 citations). S. Kar has collaborated with scholars based in United Kingdom, Germany and Italy. Frequent co-authors include M. Zepf, M. Borghesi, C. Bellei, A. P. L. Robinson, P. McKenna, Roger G. Evans, D. Neely, O. Willi, L. Romagnani and B. Dromey. Their work appears in journals such as Physical Review Letters, Plasma Physics and Controlled Fusion, Physics of Plasmas, New Journal of Physics and Laser and Particle Beams.

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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S. Kar's Hit Papers

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About S. Kar

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