Daniel Verscharen

245F Morse Hall
Space Science Center
Institute for the Study of Earth, Oceans, and Space
University of New Hampshire

8 College Rd.
Durham, NH 03824
United States of America

phone: +1 (603) 862-3420

Refereed Publications

• Chandran, B. D. G., Verscharen, D., Quataert, E., Kasper, J. C., Isenberg, P. A., and Bourouaine, S.: Stochastic Heating, Differential Flow, and the Alpha-to-Proton Temperature Ratio in the Solar Wind, Astrophys. J. 776, 45, 2013, doi: 10.1088/0004-637X/776/1/45, download here, published on ArXiv here, link to publisher version here


• Comişel, H., Verscharen, D., Narita, Y., and Motschmann, U.: Spectral evolution of two-dimensional kinetic plasma turbulence in the wavenumber-frequency domain, Phys. Plasmas 20, 090701, 2013, doi: 10.1063/1.4820936, download here, published on ArXiv here, link to publisher version here


• Verscharen, D., Bourouaine, S., and Chandran, B. D. G.: Instabilities Driven by the Drift and Temperature Anisotropy of Alpha Particles in the Solar Wind, Astrophys. J. 773, 163, 2013, doi: 10.1088/0004-647X/773/2/163, download here, published on ArXiv here, link to publisher version here


• Verscharen, D., Bourouaine, S., Chandran, B. D. G., and Maruca, B. A.: A Parallel-Propagating Alfvénic Ion-Beam Instability in the High-Beta Solar Wind, Astrophys. J. 773, 8, 2013, doi: 10.1088/0004-637X/773/1/8, download here, published on ArXiv here, link to publisher version here


• Verscharen, D. and Chandran, B. D. G.: The Dispersion Relations and Instability Thresholds of Oblique Plasma Modes in the Presence of an Ion Beam, Astrophys. J. 764, 88, 2013, doi: 10.1088/0004-637X/764/1/88, download here, published on ArXiv here, link to publisher version here


• Verscharen, D., Marsch, E., Motschmann, U., and Müller, J.: Parametric decay of oblique Alfvén waves in two-dimensional hybrid simulations, Phys. Rev. E 86, 027401, 2012, doi: 10.1103/PhysRevE.86.027401, download here, published on ArXiv here, link to publisher version here


• Verscharen, D.: On convected wave structures and spectral transfer in space plasmas — applications to solar corona and solar wind, Dissertation an der TU Braunschweig, uni-edition, Berlin, 2012, download here


• Verscharen, D., Marsch, E., Motschmann, U., and Müller, J.: Kinetic cascade beyond magnetohydrodynamics of solar wind turbulence in two-dimensional hybrid simulations, Phys. Plasmas 19, 022305, 2012, doi: 10.1063/1.3682960, download here, published on ArXiv here, link to publisher version here


• Verscharen, D. and Marsch, E.: Apparent temperature anisotropies due to wave activity in the solar wind, Ann. Geophys. 29, 909-917, 2011, doi: 10.5194/angeo-29-909-2011, download here, published on ArXiv here, link to publisher version here


• Verscharen, D. and Marsch, E.: Compressive high-frequency waves riding on an Alfvén/ion-cyclotron wave in a multi-fluid plasma, J. Plasma Phys. 77, 693-707, 2011, doi: 10.1017/S0022377811000080, download here, published on ArXiv here, link to publisher version here


• Marsch, E. and Verscharen, D.: On nonlinear Alfvén-cyclotron waves in multi-species plasma, J. Plasma Phys. 77, 385-403, 2011, doi: 10.1017/S0022377810000541, download here, published on ArXiv here, link to publisher version here


• Fahr, H.-J., Chashei, I. V., and Verscharen, D.: Injection to the pick-up ion regime from high energies and induced ion power-laws, Astron. Astrophys. 505, 329-337, 2009, doi: 10.1051/0004-6361/200810755, download here, published on ArXiv here, link to publisher version here


• Fahr, H.-J. and Verscharen, D.: Spectral intensities of Anomalous Cosmic Rays derived from the injection rate at the solar wind termination shock, Astrophys. Space Sci. Trans. 5, 21-30, 2009, doi: 10.5194/astra-5-21-2009, download here, link to publisher version here


• Verscharen, D. and Fahr, H.-J.: Solar wind proton reflection and injection to the ACR regime at the parallel termination shock, Astrophys. Space Sci. Trans. 5, 15-19, 2009, doi: 10.5194/astra-5-15-2009, download here, link to publisher version here


• Verscharen, D. and Fahr, H.-J.: Self-initialised Fermi-1 acceleration by pitch-angle re-scattering of solar wind ions reflected from the parallel termination shock, Astrophys. Space Sci. Trans. 4, 51-58, 2008, doi: 10.5194/astra-4-51-2008, download here, link to publisher version here


• Fahr, H.-J. and Verscharen, D.: Ion reflections from the parallel MHD termination shock and a possible injection mechanism into the Fermi-1 acceleration, Astron. Astrophys. 487, L21-L24, 2008, doi: 10.1051/0004-6361:200810217, download here, link to publisher version here


• Verscharen, D. and Fahr, H.-J.: A kinetic description of the dissipative quasi-parallel solar wind termination shock, Astron. Astrophys. 487, 723-729, 2008, doi: 10.1051/0004-6361:200809950, download here, link to publisher version here


• Verscharen, D.: Kinetische Betrachtung des parallelen magnetohydrodynamischen Schocks, Diplomarbeit an der Universität Bonn, 2007, download here

Talks

• Preferential Ion Heating by Waves and Turbulence in the Solar Wind
  Jun. 25, 2013, SHINE Workshop, Buford, GA, USA
• Cascade on Kinetic Scales in Two-Dimensional Hybrid Simulations
  Jun. 5, 2013, Meeting on Solar Wind Turbulence, Kennebunkport, ME, USA
• Wave Generation by Alpha-Particle Driven Instabilities in the Solar Wind
  Apr. 16, 2013, Institut für Weltraumforschung, Österreichische Akademie der Wissenschaften, Graz, Austria
• Beam Instabilities Driven by Alpha Particles with Temperature Anisotropies in the Fast Solar Wind
  Mar. 27, 2013, First Solar Probe Plus Workshop, Pasadena, CA, USA
• Kinetic Instabilities Driven by Alpha Particles in the Solar Wind
  Mar. 14, 2013, The 42nd UK Fusion Theory Seminar, Culham, UK
• Resonant Instabilities and Scattering of the Electron Strahl
  Dec. 04, 2012, HTP Team Meeting, Berkeley, CA, USA
• A parallel-propagating Alfvénic ion-beam instability in magnetized high-beta space plasmas
  Dec. 04, 2012, HTP Team Meeting, Berkeley, CA, USA
• On the generation of oblique high-frequency waves by ion beams in the solar wind
  Sep. 19, 2012, Workshop "Turbulent cascade in the solar wind: anisotropy and dissipation", Paris, France
• The anisotropic cascade of solar wind turbulence beyond MHD scales in two-dimensional hybrid simulations
  Feb. 01, 2012, 511. WE-Heraeus-Seminar "From the Heliosphere into the Sun — Sailing against the Wind", Bad Honnef, Germany
• Über konvektierte Wellenstrukturen und spektralen Transfer in Weltraumplasmen — Anwendungen auf Sonnenkorona und Sonnenwind
  Jan. 11, 2012, Disputation, TU Braunschweig, Germany
• Hybrid simulations of the two-dimensional cascade of weak solar wind turbulence beyond MHD scales
  Dec. 09, 2011, AGU Fall Meeting, San Francisco, CA, USA
• Parametrischer Zerfall und kinetische Kaskade — spektraler Transfer in Weltraumplasmen
  Oct. 27, 2011, Oberseminar Theoretische Physik, TU Braunschweig
• Parametric decay and kinetic cascade — spectral transfer in space plasmas
  Oct. 26, 2011, Solar System Seminar, MPS Lindau, Germany
• Compressive wave structures on kinetic scales resulting from a two-dimensional turbulent cascade in the solar wind
  Sep. 16, 2011, Workshop "Cosmic Rays and the Heliospheric Plasma Environment", Bochum, Germany
• Apparent temperature anisotropies due to wave activity in the solar wind
  Apr. 19, 2011, 478. WE-Heraeus-Seminar "Fusion and Astrophysical Plasmas", Bad Honnef, Germany
• Schwach kompressive, hochfrequente Wellen im inhomogenen Multifluid-Plasma
  Feb. 22, 2011, DGG-Jahrestagung, Köln, Germany
• Compressive high-frequency waves riding on an Alfvén-cyclotron wave in a multi-fluid plasma
  Jan. 26, 2011, Oberseminar Theoretische Physik, TU Braunschweig, Germany
• Compressive high-frequency waves riding on an Alfvén-cyclotron wave in a multi-fluid plasma
  Dec. 15, 2010, Solar System Seminar, MPS Lindau, Germany
• Mikroturbulenz und Energiekaskade in Weltraumplasmen — Multifluid- und kinetische Betrachtungen
  Jun. 03, 2010, Oberseminar Theoretische Physik, TU Braunschweig, Germany
• Kinetics of non-Maxwellian distribution functions in the turbulent solar wind
  Mar. 23, 2010, Workshop "New perspectives on cosmic rays in the heliosphere", Parys, South Africa
• Kinetik nicht-maxwellscher Verteilungsfunktionen des turbulenten Sonnenwindplasmas
  Mar. 16, 2010, DPG-Frühjahrstagung, Bonn, Germany
• Kinetics of solar wind turbulence — feedback on the proton distribution function
  Jan. 27, 2010, Solar System Seminar, MPS Lindau, Germany
• Kinetik der Abbremsung und Dissipation des Sonnenwindplasmas am heliosphärischen Schock
  Apr. 02, 2009, DPG-Frühjahrstagung, Greifswald, Germany
• IBEX: Theoretische Grundlagen
  Jan. 20, 2009, Extra-Seminar bei Hans Fahr, AIfA Bonn, Germany
• Solar wind proton reflection and induced injection to the ACR regime at the quasi-parallel termination shock
  Nov. 11, 2008, 2nd International Heliophysical Year Conference, ISSI Bern, Switzerland
• Ionen-Injektion in den Fermi-1-Prozeß
  May 06, 2008, Extra-Seminar bei Hans Fahr, AIfA Bonn, Germany
• Kinetische Betrachtung des parallelen magnetohydrodynamischen Schocks
  Mar. 05, 2008, DPG-Frühjahrstagung, Freiburg, Germany
• Das Feldlinienkonzept: Sinn oder Unsinn
  Jul. 10, 2007, Extra-Seminar bei Hans Fahr, AIfA Bonn, Germany
• Beziehungen des Mondes zur Erde
  im "Bonner Sternenhimmel", Bonn, Germany
• Temperaturmessung
  Jun. 16, 2006, Meteorologisches Instrumentenpraktikum, Universität Bonn, Germany
• Das Nilssonmodell
  Jan. 11, 2006, Seminar "Kernmodelle und ihre experimentelle Überprüfung", Universität Bonn, Germany
• Microquasars as counterparts of unidentified EGRET sources
  Astrophysikalisches Seminar, Universität Bonn, Germany

Copyright notices

• Astrophys. J. 776, 45: Copyright 2013. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• Phys. Plasmas 20, 090701: Copyright (2013) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Phys. Plasmas 20, 090701 and may be found at http://link.aip.org/link/?php/20/090701.
• Astrophys. J. 773, 163: Copyright 2013. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• Astrophys. J. 773, 8: Copyright 2013. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• Astrophys. J. 764, 88: Copyright 2013. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• Phys. Rev. E 86, 027401: Copyright (2012) by the American Physical Society.
• Phys. Plasmas 19, 022305: Copyright (2012) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Phys. Plasmas 19, 022305 and may be found at http://link.aip.org/link/?php/19/022305.
• Ann. Geophys. 29, 909-917: The article and any associated published material is distributed under the Creative Commons Attribution 3.0 License.
• J. Plasma Phys. 77, 693-707: Copyright 2011 by Cambridge University Press.
• J. Plasma Phys. 77, 385-403: Copyright 2011 by Cambridge University Press.
• Astron. Astrophys. 505, 329-337: Copyright 2009 by European Southern Observatory, published by EDP Sciences.
• Astrophys. Space Sci. Trans. 5, 21-30: The article and any associated published material is distributed under the Creative Commons Attribution 3.0 License.
• Astrophys. Space Sci. Trans. 5, 15-19: The article and any associated published material is distributed under the Creative Commons Attribution 3.0 License.
• Astrophys. Space Sci. Trans. 4, 51-58: The article and any associated published material is distributed under the Creative Commons Attribution 3.0 License.
• Astron. Astrophys. 487, L21-L24: Copyright 2008 by European Southern Observatory, published by EDP Sciences.
• Astron. Astrophys. 487, 723-729: Copyright 2008 by European Southern Observatory, published by EDP Sciences.