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Quantum Information Science and Condensed Matter Theory

  1. "Protecting quantum information in quantum dot spin chains by driving exchange interactions periodically"
    John S. Van Dyke, Yadav P. Kandel, Haifeng Qiao, John M. Nichol, Sophia E. Economou, Edwin Barnes, arXiv:2009.08469 (2020).

  2. "Gate-free state preparation for fast variational quantum eigensolver simulations: ctrl-VQE"
    Oinam Romesh Meitei, Bryan T. Gard, George S. Barron, David P. Pappas, Sophia E. Economou, Edwin Barnes, Nicholas J. Mayhall, arXiv:2008.04302 (2020).

  3. "Geometrical formalism for dynamically corrected gates in multiqubit systems"
    Donovan Buterakos, Sankar Das Sarma, Edwin Barnes, arXiv:2008.01168 (2020).

  4. "Floquet-enhanced spin swaps"
    Haifeng Qiao, Yadav P. Kandel, John S. Van Dyke, Saeed Fallahi, Geoffrey C. Gardner, Michael J. Manfra, Edwin Barnes, John M. Nichol, arXiv:2006.10913 (2020).

  5. "An adaptive quantum approximate optimization algorithm for solving combinatorial problems on a quantum computer"
    Linghua Zhu, Ho Lun Tang, George S. Barron, Nicholas J. Mayhall, Edwin Barnes, Sophia E. Economou, arXiv:2005.10258 (2020).

  6. "Teaching quantum information science to high-school and early undergraduate students"
    Sophia E. Economou, Terry Rudolph, Edwin Barnes, arXiv:2005.07874 (2020).

  7. "Resource requirements for efficient quantum communication using all-photonic graph states generated from a few matter qubits"
    Paul Hilaire, Edwin Barnes, Sophia E. Economou, arXiv:2005.07198 (2020).

  8. "Landau poles in condensed matter systems"
    Shao-Kai Jian, Edwin Barnes, Sankar Das Sarma, Phys. Rev. Research 2, 023310 (2020).
    [pdf]

  9. "Interplay of exchange and superexchange in triple quantum dots"
    Kuangyin Deng, Edwin Barnes, Phys. Rev. B 102, 035427 (2020).
    [pdf]

  10. "Preserving symmetries for variational quantum eigensolvers in the presence of noise"
    George S. Barron, Bryan T. Gard, Orien J. Altman, Nicholas J. Mayhall, Edwin Barnes, Sophia E. Economou, arXiv:2003.00171 (2020).

  11. "Fast noise-resistant control of donor nuclear spin qubits in silicon"
    James Simon, F. A. Calderon-Vargas, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 101, 205307 (2020).
    [pdf]

  12. "Coherent multi-spin exchange in a quantum-dot spin chain"
    Haifeng Qiao, Yadav P. Kandel, Kuangyin Deng, Saeed Fallahi, Geoffrey C. Gardner, Michael J. Manfra, Edwin Barnes, John M. Nichol, Phys. Rev. X 10, 031006 (2020).
    [pdf]

  13. "Discrete time crystal in the gradient field Heisenberg model"
    Bikun Li, John S. Van Dyke, Ada Warren, Sophia E. Economou, Edwin Barnes, Phys. Rev. B 101, 115303 (2020).
    [pdf]

  14. "qubit-ADAPT-VQE: An adaptive algorithm for constructing hardware-efficient ansatze on a quantum processor"
    Ho Lun Tang, V. O. Shkolnikov, George S. Barron, Harper R. Grimsley, Nicholas J. Mayhall, Edwin Barnes, Sophia E. Economou, arXiv:1911.10205 (2019).

  15. "Is the Trotterized UCCSD Ansatz chemically well-defined?"
    Harper R. Grimsley, Daniel Claudino, Sophia E. Economou, Edwin Barnes, Nicholas J. Mayhall, J. Chem. Theory Comput. 16, 1 (2020).
    [pdf]

  16. "Toward long-range entanglement between electrically driven single-molecule magnets"
    Khadijeh Najafi, Alexander Wysocki, Kyungwha Park, Sophia E. Economou, Edwin Barnes, J. Phys. Chem. Lett. 10, 7347 (2019).
    [pdf]

  17. "Efficient symmetry-preserving state preparation circuits for the variational quantum eigensolver algorithm"
    Bryan T. Gard, Linghua Zhu, George S. Barron, Nicholas J. Mayhall, Sophia E. Economou, Edwin Barnes, npj Quantum Inf. 6, 10 (2020).
    [pdf]

  18. "Long-distance entangling gates between quantum dot spins mediated by a superconducting resonator"
    Ada Warren, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 100, 161303(R) (2019).
    [pdf]

  19. "Fast high-fidelity entangling gates in Si double quantum dots"
    F. A. Calderon-Vargas, George S. Barron, Xiu-Hao Deng, A. J. Sigillito, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 100, 035304 (2019).
    [pdf]

  20. "An adaptive variational algorithm for exact molecular simulations on a quantum computer"
    Harper R. Grimsley, Sophia E. Economou, Edwin Barnes, Nicholas J. Mayhall, Nat. Commun. 10, 3007 (2019).
    [pdf]

  21. "Solvable quantum model of dynamic nuclear polarization in optically driven quantum dots"
    Thomas Nutz, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 99, 035439 (2019).
    [pdf]

  22. "Deterministic generation of arbitrary all-photonic graph states from quantum emitters"
    Antonio Russo, Edwin Barnes, Sophia E. Economou, New J. Phys 21, 055002 (2019).
    [pdf]

  23. "Geometric formalism for constructing arbitrary single-qubit dynamically corrected gates"
    Junkai Zeng, C. H. Yang, A. S. Dzurak, Edwin Barnes, Phys. Rev. A 99, 052321 (2019).
    [pdf]

  24. "Enhancement of nuclear spin coherence times by driving dynamic nuclear polarization at defect centers in solids"
    Girish Sharma, Torsten Gaebel, Ewa Rej, David J. Reilly, Sophia E. Economou, Edwin Barnes, Phys. Rev. B 99, 205423 (2019).
    [pdf]

  25. "Stabilization and manipulation of multispin states in quantum-dot time crystals with Heisenberg interactions"
    Edwin Barnes, John M. Nichol, Sophia E. Economou, Phys. Rev. B 99, 035311 (2019).
    [pdf]

  26. "Fastest pulses that implement dynamically corrected single-qubit phase gates"
    Junkai Zeng, Edwin Barnes, Phys. Rev. A 98, 012301 (2018).
    [pdf]

  27. "Topological insulator ring with magnetic impurities"
    Arian Vezvaee, Antonio Russo, Sophia E. Economou, Edwin Barnes, Phys. Rev. B 98, 035301 (2018).
    [pdf]

  28. "Photonic graph state generation from quantum dots and color centers for quantum communications"
    Antonio Russo, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 98, 085303 (2018).
    [pdf]

  29. "Negative exchange interactions in coupled few-electron quantum dots"
    Kuangyin Deng, F. A. Calderon-Vargas, Nicholas J. Mayhall, Edwin Barnes, Phys. Rev. B 97, 245301 (2018).
    [pdf]

  30. "Dynamic nuclear polarization from topological insulator helical edge states"
    Antonio Russo, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 98, 235412 (2018).
    [pdf]

  31. "Fast pulse sequences for dynamically corrected gates in singlet-triplet qubits"
    Robert E. Throckmorton, Chengxian Zhang, Xu-Chen Yang, Xin Wang, Edwin Barnes, S. Das Sarma, Phys. Rev. B 96, 195424 (2017).
    [pdf]

  32. "Interplay of valley polarization and dynamic nuclear polarization in 2D transition metal dichalcogenides"
    Girish Sharma, Sophia E. Economou, Edwin Barnes, Phys. Rev. B 96, 125201 (2017).
    [pdf]

  33. "Single qubit operations using microwave hyperbolic secant pulses"
    H. S. Ku, J. L. Long, X. Wu, M. Bal, R.E. Lake, Edwin Barnes, Sophia E. Economou, D. P. Pappas, Phys. Rev. A 96, 042339 (2017).
    [pdf]

  34. "Robustness of error-suppressing entangling gates in cavity-coupled transmon qubits"
    Xiu-Hao Deng, Edwin Barnes, Sophia E. Economou, Phys. Rev. B 96, 035441 (2017).
    [pdf]

  35. "General solution to inhomogeneous dephasing and smooth pulse dynamical decoupling"
    Junkai Zeng, Xiu-Hao Deng, Antonio Russo, Edwin Barnes, New J. Phys 20, 033011 (2018).
    [pdf]

  36. "Randomized benchmarking of barrier versus tilt control of a singlet-triplet qubit"
    Chengxian Zhang, Robert E. Throckmorton, Xu-Chen Yang, Xin Wang, Edwin Barnes, S. Das Sarma, Phys. Rev. Lett. 118, 216802 (2017).
    [pdf]

  37. "Fast microwave-driven three-qubit gates for cavity-coupled superconducting qubits"
    Edwin Barnes, Christian Arenz, Alexander Pitchford, Sophia E. Economou, Phys. Rev. B 96, 024504 (2017).
    [pdf]

  38. "Deterministic generation of all-photonic quantum repeaters from solid-state emitters"
    Donovan Buterakos, Edwin Barnes, Sophia E. Economou, Phys. Rev. X 7, 041023 (2017).
    [pdf]

  39. "Environmental noise effects on entanglement fidelity of exchange-coupled semiconductor spin qubits"
    Robert E. Throckmorton, Edwin Barnes, S. Das Sarma, Phys. Rev. B 95, 085405 (2017).
    [pdf]

  40. "Engineering and probing topological properties of Dirac semimetal films by asymmetric charge transfer"
    John W. Villanova, Edwin Barnes, Kyungwha Park, Nano Lett. 17, 963 (2017).
    [pdf]

  41. "Electromagnetic signatures of the chiral anomaly in Weyl semimetals"
    Edwin Barnes, J. J. Heremans, Djordje Minic, Phys. Rev. Lett. 117, 217204 (2016).
    [pdf]

  42. "Transporting a single-spin qubit through a double quantum dot"
    Xiao Li, Edwin Barnes, Jason P. Kestner, S. Das Sarma, Phys. Rev. A 96, 012309 (2017).
    [pdf]

  43. "Notch filtering the nuclear environment of a spin qubit"
    F. K. Malinowski, F. Martins, P. D. Nissen, E. Barnes, Ł. Cywiński, M. S. Rudner, S. Fallahi, G. C. Gardner, M. J. Manfra, C. M. Marcus, F. Kuemmeth, Nat. Nanotechnol. 12, 16 (2017).
    [pdf] [supplement]

  44. "Filter function formalism beyond pure dephasing and non-Markovian noise in singlet-triplet qubits"
    Edwin Barnes, Mark S. Rudner, Frederico Martins, Filip K. Malinowski, Charles M. Marcus, Ferdinand Kuemmeth, Phys. Rev. B 93, 121407(R) (2016).
    [pdf]

  45. "Noise suppression using symmetric exchange gates in spin qubits"
    Frederico Martins, Filip K. Malinowski, Peter D. Nissen, Edwin Barnes, Saeed Fallahi, Geoffrey C. Gardner, Michael J. Manfra, Charles M. Marcus, Ferdinand Kuemmeth, Phys. Rev. Lett. 116, 116801 (2016).
    [pdf]
    Featured in Physics, Editor's suggestion.

  46. "Noise-induced collective quantum state preservation in spin qubit arrays"
    Edwin Barnes, Dong-Ling Deng, Robert E. Throckmorton, Yang-Le Wu, S. Das Sarma, Phys. Rev. B 93, 085420 (2016).
    [pdf]

  47. "Many-body effects and ultraviolet renormalization in three-dimensional Dirac materials"
    Robert E. Throckmorton, Johannes Hofmann, Edwin Barnes, S. Das Sarma, Phys. Rev. B 92, 115101 (2015).
    [pdf]

  48. "Improving the gate fidelity of capacitively coupled spin qubits"
    Xin Wang, Edwin Barnes, S. Das Sarma, npj Quantum Information 1, 15003 (2015).
    [pdf]

  49. "Analytical approach to swift nonleaky entangling gates in superconducting qubits"
    Sophia E. Economou, Edwin Barnes, Phys. Rev. B 91, 161405(R) (2015).
    [pdf] [supplement]

  50. "Interacting Dirac liquid in three-dimensional semimetals"
    Johannes Hofmann, Edwin Barnes, S. Das Sarma, Phys. Rev. B 92, 045104 (2015).
    [pdf]

  51. "Robust quantum control using smooth pulses and topological winding"
    Edwin Barnes, Xin Wang, S. Das Sarma, Sci. Rep. 5, 12685 (2015).
    [pdf] [supplement]

  52. "Noise-compensating pulses for electrostatically controlled silicon spin qubits"
    Xin Wang, Fernando A. Calderon-Vargas, Muhed S. Rana, Jason P. Kestner, Edwin Barnes, Sankar Das Sarma, Phys. Rev. B 90, 155306 (2014).
    [pdf]

  53. "Why does graphene behave as a weakly interacting system?"
    Johannes Hofmann, Edwin Barnes, S. Das Sarma, Phys. Rev. Lett. 113, 105502 (2014).
    [pdf]

  54. "Effective field theory, three-loop perturbative expansion, and their experimental implications in graphene many-body effects"
    Edwin Barnes, E. H. Hwang, R. E. Throckmorton, S. Das Sarma, Phys. Rev. B 89, 235431 (2014).
    [pdf]

  55. "Theory of dynamic nuclear polarization and feedback in quantum dots"
    Sophia E. Economou, Edwin Barnes, Phys. Rev. B 89, 165301 (2014).
    [pdf]

  56. "Robust quantum gates for singlet-triplet spin qubits using composite pulses"
    Xin Wang, Lev S. Bishop, Edwin Barnes, J. P. Kestner, S. Das Sarma, Phys. Rev. A 89, 022310 (2014).
    [pdf]

  57. "Strong Hyperfine-Induced Modulation of an Optically-Driven Hole Spin in an InAs Quantum Dot"
    Samuel G. Carter, Sophia E. Economou, Alex Greilich, Edwin Barnes, Timothy M. Sweeney, Allan S. Bracker, Daniel Gammon, Phys. Rev. B 89, 075316 (2014).
    [pdf]

  58. "Exact Classification of Landau-Majorana-Stückelberg-Zener Resonances By Floquet Determinants"
    Sriram Ganeshan, Edwin Barnes, S. Das Sarma, Phys. Rev. Lett. 111, 130405 (2013).
    [pdf]

  59. "Six-electron semiconductor double quantum dot qubits"
    Erik Nielsen, Edwin Barnes, J. P. Kestner, S. Das Sarma, Phys. Rev. B 88, 195131 (2013).
    [pdf]

  60. "Noise-resistant control for a spin qubit array"
    J. P. Kestner, Xin Wang, Lev S. Bishop, Edwin Barnes, S. Das Sarma, Phys. Rev. Lett. 110, 140502 (2013).
    [pdf] [supplement]

  61. "Exactly solvable two-level quantum systems and Landau-Zener interferometry"
    Edwin Barnes, Phys. Rev. A 88, 013818 (2013).
    [pdf]

  62. "Analytically solvable driven time-dependent two-level quantum systems"
    Edwin Barnes, S. Das Sarma, Phys. Rev. Lett. 109, 060401 (2012).
    [pdf]
    Editor's suggestion.

  63. "Nonperturbative master equation solution of central spin dephasing dynamics"
    Edwin Barnes, Łukasz Cywiński, S. Das Sarma, Phys. Rev. Lett. 109, 140403 (2012).
    [pdf] [supplement]

  64. "Composite pulses for robust universal control of singlet-triplet qubits"
    Xin Wang, Lev S. Bishop, J. P. Kestner, Edwin Barnes, Kai Sun, S. Das Sarma, Nature Communications 3, 997 (2012).
    [pdf] [supplement]

  65. "Screening of charged impurities with multi-electron singlet-triplet spin qubits in quantum dots"
    Edwin Barnes, J. P. Kestner, N. T. T. Nguyen, S. Das Sarma, Phys. Rev. B 84, 235309 (2011).
    [pdf]

  66. "Master equation approach to the central spin decoherence problem: the uniform coupling model and the role of projection operators"
    Edwin Barnes, Łukasz Cywiński, S. Das Sarma, Phys. Rev. B 84, 155315 (2011).
    [pdf]

  67. "Electron-nuclear dynamics in a quantum dot under nonunitary electron control"
    Edwin Barnes, Sophia E. Economou, Phys. Rev. Lett. 107, 047601 (2011).
    [pdf]

  68. "Holographic real-time non-relativistic correlators at zero and finite temperature"
    Edwin Barnes, Diana Vaman, Chaolun Wu, Phys. Rev. D 82, 125042 (2010).
    [pdf]

  69. "Real-time finite-temperature correlators from AdS/CFT"
    Edwin Barnes, Diana Vaman, Chaolun Wu, Peter Arnold, Phys. Rev. D 82, 025019 (2010).
    [pdf]

  70. "Massive quark scattering at strong coupling from AdS/CFT"
    Edwin Barnes, Diana Vaman, Phys. Rev. D 81, 126007 (2010).
    [pdf]

  71. "All 4-dimensional static, spherically symmetric, 2-charge abelian Kaluza-Klein black holes and their CFT duals"
    Edwin Barnes, Diana Vaman, Chaolun Wu, Class. Quant. Grav. 27, 095019 (2010).
    [pdf]

  72. "Current Correlators and AdS/CFT Geometry"
    Edwin Barnes, Elie Gorbatov, Ken Intriligator, Jason Wright, Nucl. Phys. B 732, 89 (2006).
    [pdf]

  73. "The Exact Superconformal R-symmetry Minimizes τRR"
    Edwin Barnes, Elie Gorbatov, Ken Intriligator, Matt Sudano, Jason Wright, Nucl. Phys. B 730, 210 (2005).
    [pdf]

  74. "N=1 RG Flows, Product Groups, and a-Maximization"
    Edwin Barnes, Ken Intriligator, Brian Wecht, Jason Wright, Nucl. Phys. B 716, 33 (2005).
    [pdf]

  75. "Evidence for the Strongest Version of the 4d a-Theorem, via a-Maximization Along RG Flows"
    Edwin Barnes, Ken Intriligator, Brian Wecht, Jason Wright, Nucl. Phys. B 702, 131 (2004).
    [pdf]