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James Schroeder, Ph.D.

Assistant Professor of Physics

On Faculty since 2018




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The University of Iowa
Ph.D., Physics, 2017
Thesis: Exploring the Alfvén-Wave Acceleration of Auroral Electrons in the Laboratory

Wheaton College
B.S., Summa Cum Laude, Physics, 2009

  • American Physical Society - Division of Plasma Physics, Topical Group in Plasma Astrophysics; 2012 to present

A step toward deciphering auroras
Physics Today

Electrons get jolted by the plasma waves that are thought to drive the colorful phenomenon.
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Invited Talk - Measurement of electron acceleration by inertial Alfvén waves in the LAPD
International Workshop on the Interrelationship between Plasma Experiments in the Laboratory and in Space (IPELS), San Diego, CA - June, 2017

Invited Talk - Electron oscillations associated with inertial Alfvén waves
International Union of Radio Science - Commission H, Boulder, CO - January, 2017

Poster Presentation - Progress towards a laboratory test of Alfvénic electron acceleration
American Physical Society - Division of Plasma Physics, San Jose, CA - October, 2016

Invited Talk - Clear with a chance of electron precipitation
Grinnell College Physics Seminar, Grinnell, IA - February, 2017

Invited Talk - Laboratory measurements of linear electron acceleration by inertial Alfvén waves
American Physical Society - Division of Plasma Physics, Savannah, GA - November, 2015

Departmental Seminar - Laboratory investigation of Alfvén wave- particle interactions in the magnetosphere
University of Iowa - Plasma Physics Seminar, Iowa City, IA - May, 2016

Poster - Measurements of the linear kinetic plasma response to inertial Alfvén waves
American Physical Society - Division of Plasma Physics, New Orleans, LA - October 2014

Invited Talk - Experimental measurements of the electron distribution function using whistler wave absorption
Radio Frequency Power in Plasmas, Lake Arrowhead, CA - April, 2015

Talk - Study of auroral electron acceleration in the laboratory
University of Iowa - Plasma Physics Seminar, Iowa City, IA - February 2014

Poster - Study of auroral electron acceleration in the laboratory
American Physical Society - Division of Plasma Physics, Denver, CO - November 2013

Poster - Kinetic signatures of inertial Alfvén waves: theory and laboratory experiments
École de Physique des Houches - Turbulence, Magnetic Fields and Self Organization in Laboratory and Astrophysical Plasmas, Les Houches, France - April 2015

Poster - Experimental measurement of the nonlinear interaction be- tween counterpropagating Alfven waves in the LAPD
American Physical Society - Division of Plasma Physics, Providence, RI - November 2012

Poster - Study of e ects of external drive on MRX reconnection
American Physical Society- Division of Plasma Physics, Dallas, TX - November 2008

Talk - Analysis of magnetic elds in Alfven wave collisions
International Workshop on the Interrelationship Between Plasma Experiments in the Laboratory and in Space (IPELS), Nagano, Japan - July 2013

T. A. Carter, S. Dorfman, G. G. Howes,  C. A. Kletzing, J. W. R. Schroeder, and F. Skiff,  "Linear theory and measurements of electron oscillations in an inertial Alfvén wave," Physics of  Plasmas 24, 032902 (2017).

D. J. Drake, G. G. Howes,  J. D. Rhudy,  S. K. Terry,  T. A. Carter,  C. A. Kletzing,  J. W. R. Schroeder, and F. Skiff,   "Measurements of the nonlinear beat wave produced by the interaction of counterpropagating Alfvén waves," Physics of Plasmas 23, 022305 (2016).

J. W. R. Schroeder, F. Skiff,  C. A. Kletzing,  G. G. Howes, T. A. Carter,  and S. Dorfman, "Direct measurement of electron sloshing of an inertial Alfvén wave," Geophysical Research Letters 43, 10
 (2016).

J. W. R. Schroeder, F. Skiff, G. G. Howes, C. A. Kletzing,  T. A. Carter, and S. Dorfman, " Alfvénic oscillations of the electron distribution function: Linear theory and experimental measurements," AIP Conference Proceedings 1689, 1  10.1063/1.4936466 (2015).

Drake, D. J., Schroeder, J. W. R., Shanken, B. C., Howes, G. G., Skiff, F., Kletzing, C. A., Carter, T. A., Dorfman, S. D., "Analysis of magnetic fields in inertial Alfvén wave collisions," Transactions of Plasma Science IEEE 42, 10 (2014).

G. G. Howes, K. D. Nielson,  D. J. Drake,  J. W. R. Schroeder, F. Skiff,  C. A. Kletzing,  and T. A. Carter, "Alfvén Wave Collisions, The Fundamental Building Block of Plasma Turbulence. III. Theory for Experimental Design," Physics of Plasmas 20, 072304 (2013).

D. J. Drake, J. W. R. Schroeder, G. G. Howes,  C. A. Kletzing, F. Skiff,  T. A. Carter, and D. W. Auerbach,  "Alfvén Wave Collisions,The Fundamental Building Block of Plasma Turbulence. IV. Laboratory Experiment, " Physics of Plasmas 20, 072901 (2013).