Shumway Research Group

Department of PhysicsArizona State UniversityTempe • AZ
Research in Path Integral Simulations, Quantum States of Matter, and Nanoscale Electronics

John Shumway

Photo of John with wife Lynn and Eric

Associate Professor

ASU Department of Physics

PO Box 871504 • Tempe • AZ • 85287-1504
PSF 336 • 480 965-2674 • Fax 480 965-7954
john.shumway@asu.edu

Education

Professional Appointments

Publications

  1. S. Chang, S. Huang, H. Liu, P. Zhang, F. Liang, R. Akahori, S. Li, B. Gyarfas, J. Shumway, B. Ashcroft, J. He, and S. Lindsay, “Chemical recognition and binding kinetics in a functionalized tunnel junction,” Nanotechnology 23, 235101 (2012).
  2. J. Shumway and M. J. Gilbert, “Effects of Fermion Flavor on Exciton Condensation in Double Layer Systems,” Phys. Rev. B 85, 033103, (2012).
  3. S. A. Khairallah, J. Shumway, and E. W. Dreager, “Path Integral Calculations of the Hydrogen Hugoniot Using Augmented Nodes,arXiv:1108.1711.
  4. P. G. McDonald, J. Shumway, and I. Galbraith, “Lateral spatial switching of excitons using vertical electric fields in semiconductor quantum rings,Appl. Phys. Lett., 97, 173101 (2010) (cover image). (arXiv:1007.3975)
  5. Jesper Pedersen, Lei Zhang, Matthew J. Gilbert, and J. Shumway, “Path integral study of the role of correlation in exchange coupling of spins in double quantum dots and optical lattices,” J. Phys.: Condens. Matter 22, 145301 (2010). (arXiv:0809.0038, pdf download 10 pp. 2.2 MB).
  6. S. Baur, J. Shumway, and E. J. Mueller, “FFLO vs Bose-Fermi mixture in polarized 1D Fermi gas on a Feshbach resonance: a 3-body study, Phys. Rev. A 81, 033628 (2010). (arXiv:0902.4653).
  7. J. Shumway and M. J. Gilbert, “Formation and Transport of Correlated Electron States at Room Temperature in Graphene Bilayers, ECS Transactions 28, 29–37 (2010). (pdf download 10 pp. 12.8 MB).
  8. M. J. Gilbert and J. Shumway, “Probing quantum coherent states in bilayer graphene,J. Comput. Electron. 8, 51–59 (2009). (pdf download, 10 pp. 3.3 MB).
  9. Sutharsan Ketharanathan, Sourabh Sinha, John Shumway, and Jeff Drucker, “Electron charging in epitaxial Ge quantum dots on Si(001), J. Appl Phys. 105, 044312 (2009).
  10. Daejin Shin, Ming-Chak Ho, and J. Shumway, “Ab inito path integral techniques for molecules,” submitted to J. Chem. Phys. (pdf download 9 pp. 256 KB, quant-ph/0611105)
  11. M. Wimmer, S. V. Nair, and J. Shumway, "Biexciton recombination rates in self-assembled quantum dots," Phys. Rev. B 73, 165305 (2006). (cond-mat/0512603)
  12. J. Shumway and Matthew J. Gilbert, "Path Integral Monte Carlo Simulations of Nanowires and Quantum Point Contacts," J. Phys.: Conf. Series 35, 190-196 (2006). (pdf download 4 pp. 832 KB)
  13. J. Shumway, "Quantum Monte Carlo Simulation of Exciton-Exciton Scattering in a GaAs/AlGaAs Quantum Well," Physica E 32, 273-276 (2006). (pdf download 4 pp. 298 KB, cond-mat/0512467)
  14. Michael McKay, John Shumway, and Jeff Drucker, "Real-time coarsening dynamics of Ge/Si(100) nanostructures," J. Appl. Phys. 99, 094305 (2006).
  15. J. Shumway and D. M. Ceperley, "Quantum Monte Carlo Methods in the Study of Nanostructures," in Handbook of Theoretical and Computational Nanotechnology, edited by Michael Rieth and Wolfram Schommers, Volume 3: pp. 605–641, ISBN: 1-58883-045-4 (American Scientific Publishers, 2006) (pdf download, 49 pp, 1.1 MB).
  16. J. Shumway, "All-Electron Path Integral Monte Carlo Simulations of Small Atoms and Molecules," pp. 181-195 in Computer Simulations Studies in Condensed Matter Physics XVII, edited by D. P. Landau, S. P. Lewis, and H. B. Schütter, (Springer Verlag, Heidelberg, Berlin, 2006) (pdf download 15 pp. 1.65 MB).
  17. Michael R. Mckay, Jeff Drucker, and John Shumway, “Real-Time Coarsening Dynamics of Ge/Si(100) Nanostructures Using Elevated Temperature Scanning Tunneling Microscopy," in Stability of Thin Films and Nanostructures , edited by R.P. Vinci, R. Schwaiger, A. Karim, and V. Shenoy (Mater. Res. Soc. Symp. Proc. 854E, Warrendale, PA , 2005), U4.6.
  18. M. Harowitz, Daejin Shin, and J. Shumway, "Path-Integral Quantum Monte Carlo Techniques for Self-Assembled Quantum Dots," J. of Low Temp. Phys. 140, 211-226 (2005). (pdf download 16 pp. 987 KB)
  19. M. Harowitz and J. Shumway, "Path Integral Simulations of Charged Multiexcitons in InGaAs/GaAs Quantum Dots," pp.697-698 in Physics of Semiconductors: 27th International Conference on the Physics of Semiconductors, edited by José Menéndez and Chris G. Van de Walle (AIP 2005). (pdf download 2 pp. 242 KB)
  20. J. Shumway, "A Quantum Monte Carlo Method for Non-Parabolic Electron Bands in Semiconductor Heterostructures," J. Phys.: Condens. Matter 17, 2563-2570 (2005).
  21. Gabriel Bester, Alex Zunger, and J. Shumway "Broken-Symmetry and Quantum Entanglement of an exciton in InGaAs/GaAs Quantum Dot Molecules," Phys. Rev. B 71, 075325 (2005).
  22. J. Shumway and D. M. Ceperley, "Quantum Monte Carlo Simulations of Excitonic Condensates," Solid State Communications, 134, 19-22 (2005).
  23. G. Bester, J. Shumway, and A. Zunger, "Theory of excitonic spectra and entanglement engineering in dot molecules," Phys. Rev. Lett. 93, 047401 (2004). (cond-mat/0406725).
  24. D. V. Regelman, E. Dekel, D. Gershoni, E. Ehrenfreund, A. J. Williamson, J. Shumway, A. Zunger, W. V. Schoenfeld, and P. M. Petroff, "Optical spectroscopy of single quantum dots at tunable positive, neutral, and negative charge states," Phys. Rev. B 64, 165301 (2001). (cond-mat/0105589).
  25. J. Shumway, A. J. Williamson, Alex Zunger, A. Passaseo, M. DeGiorgi, R. Cingolani, M. Catalano, P. Crozier," Electronic structure consequences of In/Ga intermixing self-assembled InGaAs/GaAs alloy quantum dots," Phys. Rev. B 64 125302 (2001).
  26. J. Shumway, A. Franceschetti, and Alex Zunger, "Correlation versus mean-field contributions to excitons, multi-excitons, and charging energies in semiconductor quantum dots," Phys. Rev. B 63, 155316 (2001). ( cond-mat/0012050).
  27. J. Shumway and D. M. Ceperley, "Quantum Monte Carlo treatment of elastic exciton-exciton scattering," Phys. Rev. B, 63, 165209 (2001). (cond-mat/9907309).
  28. J. Shumway, L. R. C. Fonseca, J. P. Leburton, Richard M. Martin, and D. M. Ceperley, "Electronic structure of self-assembled quantum dots: comparison between density functional theory and diffusion quantum Monte Carlo," Physica E 8, 260-268 (2000). ( cond-mat/0003140).
  29. J. Shumway and D. M. Ceperley, "Path integral Monte Carlo simulations for fermion systems: pairing in the electron-hole plasma," J. Phys. IV France 10, Pr5-3 - Pr5-16 (2000). (cond-mat/9909434).
  30. J.-P. Leburton, L. R. C. Fonseca, S. Nagaraja, J. Shumway, D. M. Ceperley, and R. M. Martin, "Electronic structure and many body effects in self-assembled quantum dots," J. Phys.: Condens. Matter 11, 5953-5967 (1999).
  31. J.-P. Leburton, L. R. C. Fonseca, J. Shumway, R. M. Martin, and D. M. Ceperley, "Electronic Properties and Mid-Infrared Transitions Self-Assembled Quantum Dots," Jpn. J. Appl. Phys. 38, 357-365 (1999).
  32. J. Shumway and S. Satpathy, "Dynamics of flux penetration and critical currents in type-II superconductors," Phys. Rev. B 56, 103-106 (1997).
  33. J. Shumway, S. Chattopadhyay, and S. Satpathy, "Electron states and electron-phonon coupling in the BEDT-TTF-based organic superconductors," Phys. Rev. B 53,6677-6681 (1996).
  34. J. Shumway and S. Satpathy, "Polarization-dependent optical properties of C70," Chem. Phys. Lett. 211, 595-600 (1993).