Krishanmurthy, R. E. Pepper, M. Prakash. Active Sinking Particles: Sessile Suspension Feeders significantly alter the Flow and Transport to Sinking Aggregates. J. R. Soc. Interface, 20, 20220537 (2023). Available online.
Pepper, R.E., Riley, E.E., Baron, M., Hurot, T., Nielsen, L.T., Koehl, M. A. R., Kiørboe, T., Andersen, A. The effect of external flow on the feeding currents of sessile microorganisms. Journal of The Royal Society Interface 18, 20200953 (2021). Available online.
D. Caballero, L. Doughty, A. M. Turnbull, R. E. Pepper, S. J. Pollock. Assessing Learning Outcomes in Middle-Division Classical Mechanics: The Colorado Classical Mechanics/Math Methods Instrument. Phys. Rev. Phys. Educ. Res. 13, 010118 (2017). PDF
S. Ryu, R. E. Pepper, M. Nagai, and D. C. France. Vorticella: A Protozoan for Bio-Inspired Engineering. Micromachines 8, 4 (2016). PDF
R.E. Pepper, J.S. Jaffe, E. Variano, M.A.R. Koehl. Zooplankton in flowing water near benthic communities encounter rapidly fluctuating velocity gradients and accelerations. Mar. Biol. 162, 1939 (2015). PDF
R.E. Pepper, M. Roper, S. Ryu, N. Matsumoto, M. Nagai, and H.A. Stone. A new angle on microscopic suspension feeders near boundaries. Biophys. J. 105, 1796 (2013). PDF
Roper, M. Dayel, R.E. Pepper, N. King and M. Koehl. Cooperatively Generated Stresslet Flows Supply Fresh Fluid to Multicellular Choanoflagellate Colonies. Phys. Rev. Lett. 110, 228104 (2013). PDF
R.E. Pepper, S.V. Chasteen, S.J. Pollock, and K.K. Perkins. Observations on student difficulties with mathematics in upper-division Electricity and Magnetism. Phys. Rev. ST Physics Ed. Research 8, 010111 (2012). PDF
S.V. Chasteen, R.E. Pepper, M.D. Caballero, S.J. Pollock, K.K. Perkins. Colorado Upper-Division Electrostatics Diagnostic: A conceptual assessment for the junior level. Phys. Rev. ST Physics Ed. Research 8, 020108 (2012). PDF
S.V. Chasteen, S.J. Pollock, R.E. Pepper, and K.K. Perkins. “Thinking Like a Physicist”: A Multi-Semester Case Study of Junior-level Electricity & Magnetism. AJP 80, 923 (2012). PDF
S.V. Chasteen, S.J. Pollock, R.E. Pepper, K.K. Perkins. Transforming the junior level: Outcomes from instruction and research in E&M. Phys. Rev. ST Physics Ed. Research 8, 020107 (2012). PDF
R.E. Pepper, M. Roper, S. Ryu, P. Matsuidara, and H.A. Stone. Nearby boundaries create eddies near microscopic filter feeders. J. R. Soc. Interface 7, 851-862 (2010). PDF
de Ruiter, R.E. Pepper, and H.A. Stone. Thickness of an expanding lamella near the splash threshold. Phys. Fluids 22, 022104 (2010). PDF
Roper, R.E. Pepper, M. Brenner, A. Pringle. Explosively launched spores of ascomycete fungi have drag minimizing shapes. PNAS 105, 20583 (2008). PDF
R.E. Pepper, L. Courbin, and H. A. Stone. Splashing on elastic membranes: the importance of early-time dynamics. Phys. Fluids 20, 082103 (2008). PDF