Search Results - "Warburton, Paul A"

Effective Hamiltonians for interacting superconducting qubits: local basis reduction and the Schrieffer-Wolff transformation by Consani, Gioele, Warburton, Paul A

“…An open question in designing superconducting quantum circuits is how best to reduce the full circuit Hamiltonian which describes their dynamics to an…”
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Mapping the Origins of Luminescence in ZnO Nanowires by STEM‑CL by Kennedy, Oscar W, White, Edward R, Howkins, Ashley, Williams, Charlotte K, Boyd, Ian W, Warburton, Paul A, Shaffer, Milo S. P

“…In semiconductor nanowires, understanding both the sources of luminescence (excitonic recombination, defects, etc.) and the distribution of luminescent centers…”
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Emergence of Quantum Phase-Slip Behaviour in Superconducting NbN Nanowires: DC Electrical Transport and Fabrication Technologies by Constantino, Nicolas G N, Anwar, Muhammad Shahbaz, Kennedy, Oscar W, Dang, Manyu, Warburton, Paul A, Fenton, Jonathan C

“…Superconducting nanowires undergoing quantum phase-slips have potential for impact in electronic devices, with a high-accuracy quantum current standard among a…”
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Enantiomorphing Chiral Plasmonic Nanostructures: A Counterintuitive Sign Reversal of the Nonlinear Circular Dichroism by Collins, Joel T., Zheng, Xuezhi, Braz, Nuno V. S., Slenders, Eli, Zu, Shuai, Vandenbosch, Guy A. E., Moshchalkov, Victor V., Fang, Zheyu, Ameloot, Marcel, Warburton, Paul A., Valev, Ventsislav K.

“…Plasmonic nanostructures have demonstrated a remarkable ability to control light in ways never observed in nature, as the optical response is closely linked to…”
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Error measurements for a quantum annealer using the one-dimensional Ising model with twisted boundaries by Chancellor, Nicholas, Crowley, Philip J. D., Durić, Tanja, Vinci, Walter, Amin, Mohammad H., Green, Andrew G., Warburton, Paul A., Aeppli, Gabriel

“…A finite length ferromagnetic chain with opposite spin polarization imposed at its two ends is one of the simplest frustrated spin models. In the clean…”
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Rapid Thermal Annealing for Surface Optimisation of ZnO Substrates for MBE-Grown Oxide Two-Dimensional Electron Gases by Sparks, Matthew, Kennedy, Oscar, Warburton, Paul

“…Two-dimensional electron gases (2DEGs) at the ZnO/ZnMgO interface are promising for applications in spintronics and quantum computing due to the combination of…”
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Maximum-Entropy Inference with a Programmable Annealer by Chancellor, Nicholas, Szoke, Szilard, Vinci, Walter, Aeppli, Gabriel, Warburton, Paul A.

“…Optimisation problems typically involve finding the ground state ( i.e . the minimum energy configuration) of a cost function with respect to many variables…”
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Mobility Enhancement by Sb-mediated Minimisation of Stacking Fault Density in InAs Nanowires Grown on Silicon by Sourribes, Marion J. L, Isakov, Ivan, Panfilova, Marina, Liu, Huiyun, Warburton, Paul A

“…We report the growth of InAs1–x Sb x nanowires (0 ≤ x ≤ 0.15) grown by catalyst-free molecular beam epitaxy on silicon (111) substrates. We observed a sharp…”
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MBE growth and morphology control of ZnO nanobelts with polar axis perpendicular to growth direction by Kennedy, Oscar W., Coke, Maddison L., White, Edward R., Shaffer, Milo S.P., Warburton, Paul A.

“…•ZnO nanobelts are grown by Molecular Beam Epitaxy.•Nanobelt crystal axes are determined – polar axis is perpendicular to growth axis.•Nanobelt morphology is…”
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Deposition of Carbon Nanotubes on CMOS by Xiaozhi Wang, Yan Zhang, Haque, M. M., Teo, K. B., Mann, M. B., Unalan, H. B., Warburton, P. A., Udrea, F. A., Milne, W. I.

“…We demonstrate the growth of multi wall and single wall carbon nanotubes (CNT) onto substrates containing commercial 1-μm CMOS integrated circuits. The low…”
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Nonlinear Quantum Processes in Superconducting Resonators Terminated by Neon-Focused-Ion-Beam-Fabricated Superconducting Nanowires by Potter, Jamie, Kennedy, Oscar W., Fenton, Jon C., Warburton, Paul A.

“…We have used a neon focused-ion-beam to fabricate both nanoscale Nb Dayem bridges and NbN phase-slip nanowires located at the short-circuited end of…”
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Photoresponse of ZnO Tetrapod Nanocrystal Schottky Diodes by Newton, M.C., Firth, S., Warburton, P.A.

“…The fabrication of an ultraviolet photodiode employing a single ZnO tetrapod nanocrystal is reported. We have attached two tungsten leads and one platinum lead…”
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ZnO tetrapod nanocrystals by Newton, Marcus C., Warburton, Paul A.

“…ZnO has received considerable attention because of its unique optical, piezoelectric, and magnetic properties. It also readily self-assembles into a family of…”
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Erratum to "Nonlinear Quantum Processes in Superconducting Resonators Terminated by Neon-Focused-Ion-Beam-Fabricated Superconducting Nanowires" [Oct 20 Art. no. 1100704] by Potter, Jamie A., Kennedy, Oscar W., Fenton, Jon C., Warburton, Paul A.

“…Presents corrections to the above named paper…”
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ZnO tetrapod Schottky photodiodes by Newton, Marcus C., Firth, Steven, Warburton, Paul A.

“…The fabrication of an ultraviolet photodiode employing a single ZnO tetrapod nanocrystal is reported. This diode structure is prepared by depositing W and Pt…”
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Hearing the Shape of the Ising Model with a Programmable Superconducting-Flux Annealer by Vinci, Walter, Markström, Klas, Boixo, Sergio, Roy, Aidan, Spedalieri, Federico M., Warburton, Paul A., Severini, Simone

“…Two objects can be distinguished if they have different measurable properties. Thus, distinguishability depends on the Physics of the objects. In considering…”
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Consistency tests of classical and quantum models for a quantum annealer by Albash, Tameem, Vinci, Walter, Mishra, Anurag, Warburton, Paul A., Lidar, Daniel A.

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Plasmon-Enhanced Sub-Wavelength Laser Ablation: Plasmonic Nanojets by Valev, Ventsislav K., Denkova, Denitza, Zheng, Xuezhi, Kuznetsov, Arseniy I., Reinhardt, Carsten, Chichkov, Boris N., Tsutsumanova, Gichka, Osley, Edward J., Petkov, Veselin, De Clercq, Ben, Silhanek, Alejandro V., Jeyaram, Yogesh, Volskiy, Vladimir, Warburton, Paul A., Vandenbosch, Guy A. E., Russev, Stoyan, Aktsipetrov, Oleg A., Ameloot, Marcel, Moshchalkov, Victor V., Verbiest, Thierry

“…In response to the incident light's electric field, the electron density oscillates in the plasmonic hotspots producing an electric current. Associated Ohmic…”
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Erratum: Hearing the Shape of the Ising Model with a Programmable Superconducting-Flux Annealer by Vinci, Walter, Markström, Klas, Boixo, Sergio, Roy, Aidan, Spedalieri, Federico M., Warburton, Paul A., Severini, Simone

“…Scientific Reports 4: Article number: 5703; published online: 16 July 2014; updated: 31 January 2017. This article was originally published under a CC BY-NC-SA…”
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Electron confinement at diffuse ZnMgO/ZnO interfaces by Coke, Maddison L., Kennedy, Oscar W., Sagar, James T., Warburton, Paul A.

“…Abrupt interfaces between ZnMgO and ZnO are strained due to lattice mismatch. This strain is relaxed if there is a gradual incorporation of Mg during growth,…”
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