Scholars@Duke

• Background
• 

  Education, Training, & Certifications

  • Ph.D., Harvard University 1986
• 

  Duke Appointment History

  • Associate Chair of Teaching in the Department of Physics, Physics, Trinity College of Arts & Sciences 2009 - 2012
  • Associate Professor of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2009 - 2012
  • Assistant Professor, Electrical and Computer Engineering, Pratt School of Engineering 1992 - 1996
  • Assistant Professor, Physics, Trinity College of Arts & Sciences 1988 - 1995
• Recognition
• 

  Awards & Honors

  • Traditional Fulbright Scholarship. Council for International Exchange of Scholars. 1999
• Expertise
• 

  Global Scholarship

  • Teaching

    • China (Country) 
• Research
• 

  Selected Grants

  • Switching Dynamics of Electric Field Domains in Semiconductor Superlattices awarded by  National Science Foundation 2008 - 2012
  • DHB: Niches and Networks: Studying the Coevolution of Voluntary Groups and Social Networks awarded by  National Science Foundation 2005 - 2007
  • Development of Novel Photonic Nanostructures for Measurement in the Duke Femtosecond Terahertz Diagnostic Laboratory awarded by Lord Foundation of North Carolina 2002 - 2005
  • Duke Terahertz Femtosecond Diagnostic Laboratory awarded by Lord Foundation of North Carolina 1999 - 2002
  • Acquisition of a Variable Temperature Four-Circle X-Ray Diffraction System awarded by  National Science Foundation 1999 - 2001
  • Optoelectronics Laboratory Equipment Enhancement awarded by Lord Foundation of North Carolina 1998 - 1999
  • (94-0188) Electron-localized Phonon Interactions in GaAs/AlxGal-xAs Quantum Well Structures awarded by  National Science Foundation 1992 - 1996
  • (92-0416) Electron-Localized Phonon Interactions in GaAs/AlxGa,-xAs Quantum Well Structures awarded by  National Science Foundation 1992 - 1995
  • (93-0918) Electron-Localized Phonon Interactions in GaAs/AlxGa- xAs Quantum Well awarded by  National Science Foundation 1992 - 1995
• Publications & Artistic Works
• 

  Selected Publications

  • Academic Articles

    • Teitsworth, S. W., M. E. Olson, and Y. Bomze. “Scaling properties of noise-induced switching in a bistable tunnel diode circuit.” European Physical Journal B 92, no. 4 (April 1, 2019). https://doi.org/10.1140/epjb/e2019-90711-0.
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    • Gonzalez, Juan Pablo, John C. Neu, and Stephen W. Teitsworth. “Experimental metrics for detection of detailed balance violation..” Physical Review. E 99, no. 2–1 (February 2019). https://doi.org/10.1103/physreve.99.022143.
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    • Ghanta, A., J. C. Neu, and S. Teitsworth. “Fluctuation loops in noise-driven linear dynamical systems.” Physical Review E 95, no. 3 (March 16, 2017). https://doi.org/10.1103/PhysRevE.95.032128.
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    • Dannenberg, Paul H., John C. Neu, and Stephen W. Teitsworth. “Steering most probable escape paths by varying relative noise intensities..” Physical Review Letters 113, no. 2 (July 7, 2014). https://doi.org/10.1103/physrevlett.113.020601.
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    • Bomze, Yu, R. Hey, H. T. Grahn, and S. W. Teitsworth. “Noise-induced current switching in semiconductor superlattices: observation of nonexponential kinetics in a high-dimensional system..” Physical Review Letters 109, no. 2 (July 9, 2012). https://doi.org/10.1103/physrevlett.109.026801.
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    • Bomze, Yu, R. Hey, H. T. Grahn, and S. W. Teitsworth. “Noise-Induced Current Switching in Semiconductor Superlattices: Observation of Nonexponential Kinetics in a High-Dimensional System.” Physical Review Letters 109, no. 026801 (2012).
    • Heinrich, M., T. Dahms, V. Flunkert, S. W. Teitsworth, and E. Schöll. “Symmetry-breaking transitions in networks of nonlinear circuit elements.” New Journal of Physics 12 (November 1, 2010). https://doi.org/10.1088/1367-2630/12/11/113030.
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    • Bonilla, L. L., and S. W. Teitsworth. “Nonlinear Wave Methods for Charge Transport.” Nonlinear Wave Methods for Charge Transport, September 20, 2010. https://doi.org/10.1002/9783527628674.
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    • Xu, H., and S. W. Teitsworth. “Emergence of current branches in a series array of negative differential resistance circuit elements.” Journal of Applied Physics 108, no. 4 (August 15, 2010). https://doi.org/10.1063/1.3475988.
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    • Xu, H., and S. W. Teitsworth. “On the possibility of a shunt-stabilized superlattice terahertz emitter.” Applied Physics Letters 96, no. 2 (January 25, 2010). https://doi.org/10.1063/1.3291614.
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    • Bonilla, L. L., and S. W. Teitsworth. “Nonlinear Wave Methods for Charge Transport.” Nonlinear Wave Methods for Charge Transport, 2010.
    • Xu, H., and S. W. Teitsworth. “On the possibility of a shunt-stabilized superlattice THz emitter.” Applied Physics Letters 96, no. 022101 (2010).
    • Xu, H., and S. W. Teitsworth. “Emergence of current branches in a series array of negative differential resistance circuit elements.” Journal of Applied Physics 108, no. 4 (2010). https://doi.org/10.1063/1.3475988.
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    • Xu, H., A. Amann, E. Schöll, and S. W. Teitsworth. “Dynamics of electronic transport in a semiconductor superlattice with a shunting side layer.” Physical Review B  Condensed Matter and Materials Physics 79, no. 24 (June 19, 2009). https://doi.org/10.1103/PhysRevB.79.245318.
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    • Xu, H., A. Amann, E. Schoell, and S. W. Teitsworth. “Dynamics of electronic transport in a semiconductor superlattice with a shunting side layer.” Physical Review B 79, no. 245318 (2009).
    • Xu, H., and S. W. Teitsworth. “Dependence of electric field domain relocation dynamics on contact conductivity in semiconductor superlattices.” Physical Review B  Condensed Matter and Materials Physics 76, no. 23 (December 3, 2007). https://doi.org/10.1103/PhysRevB.76.235302.
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    • Xu, Huidong, and Stephen W. Teitsworth. “Dependence of electric field domain relocation dynamics on contact conductivity in semiconductor superlattices.” Physical Review B 76, no. 235302 (2007).
    • Lu, S. L., L. Schrottke, S. W. Teitsworth, R. Hey, and H. T. Grahn. “Negative differential conductance and bistability in undoped GaAs/(Al,Ga)As quantum-cascade structures.” Journal of Applied Physics 100, no. 2 (August 11, 2006). https://doi.org/10.1063/1.2214362.
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    • Lu, S. L., L. Schrottke, S. W. Teitsworth, R. Hey, and H. T. Grahn. “Negative differential conductance and bistability in undoped GaAs/AlGaAs quantum-cascade structures.” Journal of Applied Physics 100, no. 023701 (July 2006).
    • Lu, S. L., L. Schrottke, S. W. Teitsworth, R. Hey, and H. T. Grahn. “Formation of electric-field domains in GaAs/AlGaAs quantum cascade laser structures.” Physical Review B 73, no. 033311 (January 2006).
    • Rogozia, M., H. T. Grahn, S. W. Teitsworth, and K. H. Ploog. “Time distribution of the domain-boundary relocation in superlattices.” Physica B: Condensed Matter 314, no. 1–4 (March 1, 2002): 427–30. https://doi.org/10.1016/S0921-4526(01)01387-4.
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    • Rogozia, M., S. W. Teitsworth, H. T. Grahn, and K. H. Ploog. “Relocation dynamics of domain boundaries in semiconductor superlattices.” Physical Review B 65, no. 205303 (2002): 1–7.
    • Rogozia, M., S. W. Teitsworth, H. T. Grahn, and K. H. Ploog. “Relocation dynamics of domain boundaries in semiconductor superlattices.” Physical Review B  Condensed Matter and Materials Physics 65, no. 20 (January 1, 2002): 1–7. https://doi.org/10.1103/PhysRevB.65.205303.
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    • Cantalapiedra, I. R., M. J. Bergmann, L. L. Bonilla, and S. W. Teitsworth. “Chaotic motion of space charge wave fronts in semiconductors under time-independent voltage bias..” Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics 63, no. 5 Pt 2 (May 2001). https://doi.org/10.1103/physreve.63.056216.
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    • Cantalapiedra, I. R., M. J. Bergmann, L. L. Bonilla, and S. W. Teitsworth. “Chaotic motion of space charge wave fronts in semiconductors under time-independent voltage bias.” Physical Review E  Statistical, Nonlinear, and Soft Matter Physics 63, no. 5 II (2001): 562161–67.
    • Rogozia, M., S. W. Teitsworth, H. T. Grahn, and K. Ploog. “Statistics of the domain boundary relocation time in semiconductor superlattices.” Physical Review B  Rapid Communications 64, no. 041308 (2001): 1–4.
    • Teitsworth, S. W., M. Rogozia, H. T. Grahn, and K. H. Ploog. “Statistics of the domain-boundary relocation time in semiconductor superlattices.” Physical Review B  Condensed Matter and Materials Physics 64, no. 4 (January 1, 2001). https://doi.org/10.1103/PhysRevB.64.041308.
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    • Olafsen, L. J., T. Daniels-Race, R. E. Kendall, and S. W. Teitsworth. “Photoluminescence of n-i-n GaAs/AlAs single quantum well structures under electric field bias.” Superlattices and Microstructures 27, no. 1 (January 2000): 39–51. https://doi.org/10.1006/spmi.1999.0818.
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    • Olafsen, L. J., T. Daniels-Race, R. E. Kendall, and S. W. Teitsworth. “Photoluminescence of n-i-n GaAs/AlAs single quantum well structures under electric field bias.” Superlattices and Microstructures 27, no. 1 (January 1, 2000): 7–14. https://doi.org/10.1006/spmi.1999.0811.
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    • Luo, K. J., S. W. Teitsworth, H. Kostial, H. T. Grahn, and N. Ohtani. “Controllable bistabilities and bifurcations in a photoexcited GaAs/AlAs superlattice.” Applied Physics Letters 74, no. 25 (June 21, 1999): 3845–47. https://doi.org/10.1063/1.124199.
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    • Luo, K., H. Grahn, S. Teitsworth, and K. Ploog. “Influence of higher harmonics on Poincaré maps derived from current self-oscillations in a semiconductor superlattice.” Physical Review B  Condensed Matter and Materials Physics 58, no. 19 (January 1, 1998): 12613–16. https://doi.org/10.1103/PhysRevB.58.12613.
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    • Blue, L. J., T. Daniels-Race, R. E. Kendall, C. R. Schmid, and S. W. Teitsworth. “Dependence of current-voltage characteristics on Al mole fraction in GaAs/AlxGa1-xAs asymmetric double barrier structures.” Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures 15, no. 3 (May 1, 1997): 696–701.
    • Banoo, K. “Phonon scattering in novel superlattice-asymmetric double barrier resonant tunneling structure.” Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures 14, no. 4 (1996): 2725–30.
    • Bergmann, M. J., S. W. Teitsworth, L. L. Bonilla, and I. R. Cantalapiedra. “Solitary-wave conduction in p-type Ge under time-dependent voltage bias..” Physical Review. B, Condensed Matter 53, no. 3 (January 1996): 1327–35. https://doi.org/10.1103/physrevb.53.1327.
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    • Turley, P. J., C. R. Wallis, and S. W. Teitsworth. “Selection rule for localized phonon emission in GaAs/AlAs double-barrier structures.” Journal of Applied Physics 78, no. 10 (December 1, 1995): 6104–7. https://doi.org/10.1063/1.360551.
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    • Cruz RM, S. de la, S. W. Teitsworth, and M. A. Stroscio. “Interface phonons in spherical GaAs/AlxGa1-xAs quantum dots..” Physical Review. B, Condensed Matter 52, no. 3 (July 1995): 1489–92. https://doi.org/10.1103/physrevb.52.1489.
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    • Bonilla, L. L., I. R. Cantalapiedra, M. J. Bergmann, and S. W. Teitsworth. “Onset of current oscillations in extrinsic semiconductors under DC voltage bias.” Semiconductor Science and Technology 9, no. 5 S (December 1, 1994): 599–602. https://doi.org/10.1088/0268-1242/9/5S/054.
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    • Teitsworth, S. W., P. J. Turley, C. R. Wallis, W. Li, and P. K. Bhattacharya. “Magnetotunnelling measurements of localized optical phonons in GaAs/AlAs double-barrier structures.” Semiconductor Science and Technology 9, no. 5 S (December 1, 1994): 508–11. https://doi.org/10.1088/0268-1242/9/5S/029.
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    • Wallis, C. R., and S. W. Teitsworth. “Hopf bifurcations and hysteresis in resonant tunneling diode circuits.” Journal of Applied Physics 76, no. 7 (December 1, 1994): 4443–45. https://doi.org/10.1063/1.357343.
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    • Turley, P. J., and S. W. Teitsworth. “Phonon-assisted tunneling from a two-dimensional emitter state..” Physical Review. B, Condensed Matter 50, no. 12 (September 1994): 8423–32. https://doi.org/10.1103/physrevb.50.8423.
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    • Bonilla, L. L., I. R. Cantalapiedra, M. J. Bergmann, and S. W. Teitsworth. “Onset of current oscillations in extrinsic semiconductors under DC voltage bias.” Semiconductor Science and Technology 9, no. 5S (May 1, 1994): 599–602. https://doi.org/10.1088/0268-1242/9/5s/054.
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    • Teitsworth, S. W., P. J. Turley, C. R. Wallis, W. Li, and P. K. Bhattacharya. “Magnetotunnelling measurements of localized optical phonons in GaAs/AlAs double-barrier structures.” Semiconductor Science and Technology 9, no. 5S (May 1, 1994): 508–11. https://doi.org/10.1088/0268-1242/9/5s/029.
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    • Cantalapiedra, I. R., L. L. Bonilla, M. J. Bergmann, and S. W. Teitsworth. “Solitary-wave dynamics in extrinsic semiconductors under dc voltage bias..” Physical Review. B, Condensed Matter 48, no. 16 (October 1993): 12278–81. https://doi.org/10.1103/physrevb.48.12278.
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    • Turley, P. J., C. R. Wallis, S. W. Teitsworth, W. Li, and P. K. Bhattacharya. “Tunneling measurements of symmetric-interface phonons in GaAs/AlAs double-barrier structures..” Physical Review. B, Condensed Matter 47, no. 19 (May 1993): 12640–48. https://doi.org/10.1103/physrevb.47.12640.
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    • Dela Cruz, R. M., S. W. Teitsworth, and M. A. Stroscio. “Bottleneck effects due to confined phonons in quantum dots.” Superlattices and Microstructures 13, no. 4 (January 1, 1993): 481–86. https://doi.org/10.1006/spmi.1993.1090.
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    • Kim, K. W., A. R. Bhatt, M. A. Stroscio, P. J. Turley, and S. W. Teitsworth. “Effects of interface phonon scattering in multiheterointerface structures.” Journal of Applied Physics 72, no. 6 (December 1, 1992): 2282–87. https://doi.org/10.1063/1.351569.
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    • Turley, P. J., and S. W. Teitsworth. “Theory of localized phonon modes and their effects on electron tunneling in double-barrier structures.” Journal of Applied Physics 72, no. 6 (December 1, 1992): 2356–66. https://doi.org/10.1063/1.351577.
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    • Turley, P. J., and S. W. Teitsworth. “Effects of localized phonon modes on magnetotunneling spectra in double-barrier structures..” Physical Review. B, Condensed Matter 44, no. 23 (December 1991): 12959–63. https://doi.org/10.1103/physrevb.44.12959.
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    • Turley, P. J., and S. W. Teitsworth. “Phonon-assisted tunneling due to localized modes in double-barrier structures..” Physical Review. B, Condensed Matter 44, no. 15 (October 1991): 8181–84. https://doi.org/10.1103/physrevb.44.8181.
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    • Turley, P. J., and S. W. Teitsworth. “Electronic wave functions and electron-confined-phonon matrix elements in GaAs/AlxGa1-xAs double-barrier resonant-tunneling structures..” Physical Review. B, Condensed Matter 44, no. 7 (August 1991): 3199–3210. https://doi.org/10.1103/physrevb.44.3199.
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    • Bonilla, L. L., and S. W. Teitsworth. “Theory of periodic and solitary space charge waves in extrinsic semiconductors.” Physica D: Nonlinear Phenomena 50, no. 3 (January 1, 1991): 545–59. https://doi.org/10.1016/0167-2789(91)90014-Z.
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    • Teitsworth, S. W. “The physics of space charge instabilities and temporal chaos in extrinsic photoconductors.” Applied Physics a Solids and Surfaces 48, no. 2 (February 1, 1989): 127–36. https://doi.org/10.1007/BF01141274.
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    • Westervelt, R. M., E. G. Gwinn, and S. W. Teitsworth. “Chaotic dynamics in Ge photoconductors.” Nuclear Physics B (Proceedings Supplements) 2, no. C (January 1, 1987): 37–48. https://doi.org/10.1016/0920-5632(87)90007-7.
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    • Teitsworth, S. W., and R. M. Westervelt. “Subharmonic and chaotic response of periodically driven extrinsic Ge photoconductors..” Physical Review Letters 56, no. 5 (February 1986): 516–19. https://doi.org/10.1103/physrevlett.56.516.
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    • Teitsworth, S. W., B. A. Lynn, and R. M. Westervelt. “Chaotic dynamics in a simple model of extrinsic photoconductors.” Physica Scripta 1986, no. T14 (January 1, 1986): 71–75. https://doi.org/10.1088/0031-8949/1986/T14/012.
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    • Teitsworth, S. W., and R. M. Westervelt. “Nonlinear current-voltage characteristics and spontaneous current oscillations in p-Ge.” Physica D: Nonlinear Phenomena 23, no. 1–3 (January 1, 1986): 181–86. https://doi.org/10.1016/0167-2789(86)90126-0.
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    • Westervelt, R. M., S. W. Teitsworth, and E. G. Gwinn. “Chaotic dynamics in ge photoconductors.” Physica Scripta 1986, no. T14 (January 1, 1986): 65–70. https://doi.org/10.1088/0031-8949/1986/T14/011.
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    • Westervelt, R. M., and S. W. Teitsworth. “Nonlinear dynamics and chaos in extrinsic photoconductors.” Physica D: Nonlinear Phenomena 23, no. 1–3 (January 1, 1986): 187–94. https://doi.org/10.1016/0167-2789(86)90127-2.
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    • Westervelt, R. M., and S. W. Teitsworth. “Nonlinear transient response of extrinsic Ge far-infrared photoconductors.” Journal of Applied Physics 57, no. 12 (December 1, 1985): 5457–69. https://doi.org/10.1063/1.334822.
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    • Teitsworth, S. W., and R. M. Westervelt. “Chaos and broadband noise in extrinsic photoconductors.” Physical Review Letters 53, no. 27 (January 1, 1984): 2587–90. https://doi.org/10.1103/PhysRevLett.53.2587.
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    • Teitsworth, S. W., R. M. Westervelt, and E. E. Haller. “Nonlinear oscillations and chaos in electrical breakdown in Ge.” Physical Review Letters 51, no. 9 (January 1, 1983): 825–28. https://doi.org/10.1103/PhysRevLett.51.825.
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    • Lu, S. L., L. Schrottke, S. W. Teitsworth, R. Hey, and H. T. Grahn. “Formation of electric-field domains in GaAs Alx Ga1-x As quantum cascade laser structures.” Physical Review B  Condensed Matter and Materials Physics 73, no. 3 (February 27, 2006). https://doi.org/10.1103/PhysRevB.73.033311.
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  • Conference Papers

    • Neu, J. C., A. Ghanta, and S. W. Teitsworth. “The Geometry of most probable trajectories in noise-driven dynamical systems.” In Springer Proceedings in Mathematics and Statistics, 232:153–67, 2018. https://doi.org/10.1007/978-3-319-76599-0_9.
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• Teaching & Mentoring
• 

  Recent Courses

  • PHYSICS 493: Research Independent Study 2019
  • PHYSICS 137S: Energy in the 21st Century and Beyond 2018
  • PHYSICS 131S-1: Introductory Seminar on Big Questions in Physics 2017
  • PHYSICS 495: Thesis Independent Study 2017
• Scholarly, Clinical, & Service Activities
• 

  Presentations & Appearances

  • Noise-induced switching dynamics of bistable electronic transport systems. June 25, 2013  2013
  • Noise-induced switching dynamics in semiconductor nanostructures. June 18, 2013  2013
  • Measurement of stochastic switching in nonlinear electronic transport systems. June 14, 2011  2011
  • Electric field domains in semiconductor superlattices. December 7, 2009  2009
  • Electric field domains in semiconductor superlattices. November 10, 2009  2009
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  Outreach & Engaged Scholarship

  • Chair. American Physical Society, Committee on Meetings. December 18, 2008 - July 1, 2010  2008 - 2010
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  Service to the Profession

  • Referee. January 1, 2013  2013
  • NSF SBIR panel on Electronic Materials - Phase II. October 20, 2009  2009
  • NSF SBIR panel on Electronic Materials - Phase I. August 6, 2009  2009
  • NSF SBIR Phase I panel - Nanoparticles and Nanocomposites. September 11, 2008  2008

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