Browse by UCL people
Group by: Type | Date
Number of items: 56.
Article
Banks, Robert J;
Browne, Dan E;
Warburton, PA;
(2024)
Rapid quantum approaches for combinatorial optimisation inspired by optimal state-transfer.
Quantum
, 8
, Article 1253. 10.22331/q-2024-02-13-1253.
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Banks, Robert J;
Haque, Ehsan;
Nazef, Farah;
Fethallah, Fatima;
Ruqaya, Fatima;
Ahsan, Hamza;
Vora, Het;
... Warburton, PA; + view all
(2024)
Continuous-time quantum walks for MAX-CUT are hot.
Quantum
, 8
, Article 1254. 10.22331/q-2024-02-13-1254.
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Banks, Robert J;
Raftis, Georgios S;
Browne, Dan E;
Warburton, PA;
(2025)
Continuous-time quantum optimization without the adiabatic principle.
Physical Review A
, 111
(3)
, Article 032414. 10.1103/physreva.111.032414.
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Beardsley, RP;
Parkes, DE;
Zemen, J;
Bowe, S;
Edmonds, KW;
Reardon, C;
Maccherozzi, F;
... Rushforth, AW; + view all
(2017)
Effect of lithographicallyinduced
strain relaxation on the
magnetic domain configuration in
microfabricated epitaxially grown
Fe81Ga19.
Scientific Reports
, 7
, Article 42107. 10.1038/srep42107.
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Burnett, J;
Sagar, J;
Kennedy, OW;
Warburton, PA;
Fenton, JC;
(2017)
Low-Loss Superconducting Nanowire Circuits Using a Neon Focused Ion Beam.
Physical Review Applied
, 8
(1)
, Article 014039. 10.1103/PhysRevApplied.8.014039.
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Burnett, J;
Sagar, J;
Warburton, PA;
Fenton, JC;
(2016)
Embedding NbN Nanowires Into Quantum Circuits With a Neon Focused Ion Beam.
IEEE Transactions on Applied Superconductivity
, 26
(3)
, Article 1700104. 10.1109/TASC.2016.2525988.
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Camino, B;
Buckeridge, J;
Warburton, PA;
Kendon, V;
Woodley, SM;
(2023)
Quantum computing and materials science: A practical guide to applying quantum annealing to the configurational analysis of materials.
Journal of Applied Physics
, 133
(22)
, Article 221102. 10.1063/5.0151346.
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Camino, Bruno;
Buckeridge, John;
Chancellor, Nicholas;
Catlow, C Richard A;
Ferrari, Anna Maria;
Warburton, Paul A;
Sokol, Alexey A;
(2025)
Exploring the thermodynamics of disordered materials with quantum computing.
Science Advances
, 11
(23)
, Article eadt7156. 10.1126/sciadv.adt7156.
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Chancellor, N;
Szoke, S;
Vinci, W;
Aeppli, G;
Warburton, PA;
(2016)
Maximum-Entropy Inference with a Programmable Annealer.
Scientific Reports
, 6
, Article 22318. 10.1038/srep22318.
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Chancellor, N;
Zohren, S;
Warburton, PA;
(2017)
Circuit design for multi-body interactions in superconducting quantum annealing systems with applications to a scalable architecture.
npj Quantum Information
, 3
, Article 21. 10.1038/s41534-017-0022-6.
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Chancellor, N;
Zohren, S;
Warburton, PA;
Benjamin, SC;
Roberts, S;
(2016)
A Direct Mapping of Max k-SAT and High Order Parity Checks to a Chimera Graph.
Scientific Reports
, 6
, Article 37107. 10.1038/srep37107.
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Coke, ML;
Kennedy, OW;
Sagar, JT;
Warburton, PA;
(2017)
Electron confinement at diffuse ZnMgO/ZnO interfaces.
APL Materials
, 5
(1)
, Article 016102. 10.1063/1.4973669.
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Collins, JT;
Zheng, X;
Braz, NVS;
Slenders, E;
Zu, S;
Vandenbosch, GAE;
Moshchalkov, VV;
... Valev, VK; + view all
(2018)
Enantiomorphing Chiral Plasmonic Nanostructures: A Counterintuitive Sign Reversal of the Nonlinear Circular Dichroism.
Advanced Optical Materials
, 6
(14)
, Article 1800153. 10.1002/adom.201800153.
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Consani, G;
Warburton, PA;
(2020)
Effective Hamiltonians for interacting superconducting qubits: local basis reduction and the Schrieffer–Wolff transformation.
New Journal of Physics
, 22
, Article 053040. 10.1088/1367-2630/ab83d1.
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Constantino, NGN;
Anwar, MS;
Kennedy, OW;
Dang, M;
Warburton, PA;
Fenton, JC;
(2018)
Emergence of Quantum Phase-Slip Behaviour in Superconducting NbN Nanowires: DC Electrical Transport and Fabrication Technologies.
Nanomaterials
, 8
(6)
, Article 442. 10.3390/nano8060442.
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Crowley, PJD;
Duric, T;
Vinci, W;
Warburton, PA;
Green, AG;
(2014)
Quantum and classical dynamics in adiabatic computation.
Physical Review A
, 90
(4)
, Article 042317. 10.1103/PhysRevA.90.042317.
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Fang, Y-L;
Warburton, PA;
(2020)
Minimizing minor embedding energy: an application in quantum annealing.
Quantum Information Processing
, 19
(7)
, Article 191. 10.1007/s11128-020-02681-x.
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Feinstein, Natasha;
Fry-Bouriaux, Louis;
Bose, Sougato;
Warburton, PA;
(2024)
Effects of Effects of XX catalysts on quantum annealing spectra with perturbative crossings.
Physical Review A
, 110
(4)
, Article 042609. 10.1103/physreva.110.042609.
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Feinstein, Natasha;
Shalashilin, Ivan;
Bose, Sougato;
Warburton, PA;
(2025)
Robustness of diabatic enhancement in quantum annealing.
Quantum Science and Technology
, 10
(2)
, Article 025011. 10.1088/2058-9565/adab14.
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Fenton, JC;
Warburton, PA;
(2009)
Skewness variations of switching-current distributions in moderately damped Josephson junctions due to thermally induced multiple escape and retrapping.
Journal of Physics Conference Series
, 150
(5)
, Article 052052. 10.1088/1742-6596/150/5/052052.
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Fenton, JC;
Warburton, PA;
(2008)
Monte Carlo simulations of thermal fluctuations in moderately damped Josephson junctions: Multiple escape and retrapping, switching- and return-current distributions, and hysteresis.
PHYS REV B
, 78
(5)
, Article 054526. 10.1103/PhysRevB.78.054526.
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Fry-Bouriaux, L;
O'Connor, D;
Feinstein, N;
Warburton, PA;
(2021)
Locally suppressed transverse-field protocol for diabatic quantum annealing.
Physical Review A
, 104
(5)
, Article 052616. 10.1103/PhysRevA.104.052616.
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Isakov, I;
Sourribes, MJL;
Warburton, PA;
(2017)
Current-mode deep level transient spectroscopy of a semiconductor nanowire field-effect transistor.
Journal of Applied Physics
, 122
(9)
, Article 094305. 10.1063/1.5000370.
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Kasi, Srikar;
Warburton, PA;
Kaewell, John;
Jamieson., Kyle;
(2023)
A Cost and Power Feasibility Analysis of Quantum Annealing for NextG Cellular Wireless Networks.
IEEE Transactions on Quantum Engineering
pp. 1-17.
10.1109/tqe.2023.3326469.
(In press).
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Kennedy, O;
Zapf, M;
Audinot, J-N;
Pal, S;
Eswara, S;
Wirtz, T;
Ronning, C;
(2019)
Photoluminescence of ZnO/ZnMgO heterostructure nanobelts grown by MBE.
Nanotechnology
10.1088/1361-6528/ab60cb.
(In press).
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Kennedy, OW;
Burnett, J;
Fenton, JC;
Constantino, NGN;
Warburton, PA;
Morton, JJL;
Dupont-Ferrier, E;
(2019)
Tunable Nb Superconducting Resonator Based on a Constriction Nano- SQUID Fabricated with a Ne Focused Ion Beam.
Physical Review Applied
, 11
, Article 014006. 10.1103/PhysRevApplied.11.014006.
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Kennedy, OW;
Coke, ML;
White, ER;
Shaffer, MSP;
Warburton, PA;
(2018)
MBE growth and morphology control of ZnO nanobelts with polar axis perpendicular to growth direction.
Materials Letters
, 212
pp. 51-53.
10.1016/j.matlet.2017.10.017.
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Kennedy, OW;
White, ER;
Howkins, A;
Williams, CK;
Boyd, IW;
Warburton, PA;
Shaffer, MSP;
(2019)
Mapping the Origins of Luminescence in ZnO Nanowires by STEM-CL.
Journal Of Physical Chemistry Letters
, 10
(3)
pp. 386-392.
10.1021/acs.jpclett.8b03286.
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Kennedy, OW;
White, R;
Shaffer, MSP;
Warburton, PA;
(2019)
Vapour-liquid-solid growth of ZnO-ZnMgO core-shell nanowires by gold-catalysed molecular beam epitaxy.
Nanotechnology
, 30
(19)
, Article 194001. 10.1088/1361-6528/ab011c.
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Leiner, J;
Saleem, S;
Fenton, JC;
Yamamoto, T;
Kadowaki, K;
Warburton, PA;
(2009)
The radio-frequency impedance of individual intrinsic Josephson junctions.
Applied Physics Letters
, 95
(25)
, Article 252505. 10.1063/1.3275741.
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Li, W;
Cui, A;
Gu, C;
Warburton, PA;
(2012)
Atomic resolution top-down nanofabrication with low-current focused-ion-beam thinning.
Microelectronic Engineering
, 98
301 - 304.
10.1016/j.mee.2012.07.108.
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Li, W;
Fenton, JC;
Cui, A;
Wang, H;
Wang, Y;
Gu, C;
McComb, DW;
(2012)
Felling of individual freestanding nanoobjects using focused-ion-beam milling for investigations of structural and transport properties.
Nanotechnology
, 23
(10)
, Article 105301. 10.1088/0957-4484/23/10/105301.
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Li, WX;
Fenton, JC;
Gu, CZ;
Warburton, PA;
(2011)
Superconductivity of ultra-fine tungsten nanowires grown by focused-ion-beam direct-writing.
Microelectronic Engineering
, 88
(8)
2636 - 2638.
10.1016/j.mee.2010.12.116.
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Li, WX;
Fenton, JC;
Wang, YQ;
McComb, DW;
Warburton, PA;
(2008)
Tunability of the superconductivity of tungsten films grown by focused-ion-beam direct writing.
Journal of Applied Physics
, 104
(9)
, Article 093913. 10.1063/1.3013444.
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Li, WX;
Fenton, JC;
Warburton, PA;
(2009)
Focused-Ion-Beam Direct-Writing of Ultra-Thin Superconducting Tungsten Composite Films.
IEEE Transactions on Applied Superconductivity
, 19
(3)
2819 - 2822.
10.1109/TASC.2009.2019251.
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Nau, MA;
Nutricati, LA;
Camino, B;
Warburton, PA;
Maier, AK;
(2025)
Quantum annealing feature selection on light-weight medical image datasets.
Scientific Reports
, 15
, Article 28937. 10.1038/s41598-025-14611-x.
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Nutricati, Luca A;
Ghosh, Roopayan;
Feinstein, Natasha;
Bose, Sougato;
Warburton, PA;
(2025)
Enhancing the energy gap of random graph problems via XX-catalysts in quantum annealing.
Quantum Science and Technology
, 10
(4)
, Article 045010. 10.1088/2058-9565/adf2d5.
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Osley, EJ;
Biris, CG;
Thompson, PG;
Jahromi, RRF;
Warburton, PA;
Panoiu, NC;
(2013)
Fano Resonance Resulting from a Tunable Interaction between Molecular Vibrational Modes and a Double Continuum of a Plasmonic Metamolecule.
PHYSICAL REVIEW LETTERS
, 110
(8)
, Article ARTN 087402. 10.1103/PhysRevLett.110.087402.
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Potter, JA;
Fenton, JC;
Warburton, PA;
(2023)
Controllable Tunneling of Single Flux Quanta Mediated by Quantum Phase Slip in Disordered Superconducting Loops.
Physical Review Applied
, 19
(2)
, Article 024002. 10.1103/PhysRevApplied.19.024002.
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Potter, J;
Kennedy, OW;
Fenton, JC;
Warburton, PA;
(2020)
Nonlinear Quantum Processes in Superconducting Resonators Terminated by Neon-Focused-Ion-Beam-Fabricated Superconducting Nanowires.
IEEE Transactions on Applied Superconductivity
, 30
(7)
, Article 1100704. 10.1109/tasc.2020.3018545.
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Saleem, S;
Fenton, JC;
Korsah, M;
Grovenor, CRM;
Warburton, PA;
(2009)
RF-current effects on intrinsic Josephson junctions.
IEEE Transactions on Applied Superconductivity
, 19
(3)
734 - 737.
10.1109/TASC.2009.2019226.
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Sourribes, MJL;
Isakov, I;
Panfilova, M;
Warburton, PA;
(2017)
Observation of coherent electron transport in self-catalysed InAs and InAs1–xSbx nanowires grown on silicon.
Journal of Applied Physics
, 121
(2)
, Article 024304. 10.1063/1.4972960.
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Sparks, MJ;
Kennedy, OW;
Warburton, PA;
(2020)
Rapid Thermal Annealing for Surface Optimisation of ZnO Substrates for MBE-Grown Oxide Two-Dimensional Electron Gases.
Crystals
, 10
(9)
, Article 776. 10.3390/cryst10090776.
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Vinci, W;
Markström, K;
Boixo, S;
Roy, A;
Spedalieri, FM;
Warburton, PA;
Severini, S;
(2017)
Erratum: Hearing the Shape of the Ising Model with a Programmable Superconducting-Flux Annealer.
[Corrigendum].
Sci Rep
, 7
, Article 40651. 10.1038/srep40651.
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Vinci, W;
Markström, K;
Boixo, S;
Roy, A;
Spedalieri, FM;
Warburton, PA;
Severini, S;
(2014)
Hearing the shape of the ising model with a programmable superconducting-flux annealer.
Scientific Reports
, 4
, Article 5703. 10.1038/srep05703.
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Wang, H;
Fenton, JC;
Chiatti, O;
Warburton, PA;
(2013)
Model-independent quantitative measurement of nanomechanical oscillator vibrations using electron-microscope linescans.
Review of Scientific Instruments
, 84
(7)
, Article 075002 . 10.1063/1.4811740.
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Warburton, PA;
Kuzhakhmetov, AR;
Bell, C;
Burnell, G;
Blamire, MG;
Wu, H;
Grovenor, CRM;
(2003)
Sub-micron thin film intrinsic Josephson junctions.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
, 13
(2)
pp. 821-824.
10.1109/TASC.2003.814056.
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Warburton, PA;
Kuzhakhmetov, AR;
Burnell, G;
Blamire, MG;
Koval, Y;
Franz, A;
Muller, P;
(2005)
Fabrication and characterization of sub-micron thin film intrinsic Josephson junction arrays.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
, 15
(2)
pp. 237-240.
10.1109/TASC.2005.849766.
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Warburton, PA;
Fenton, JC;
Korsah, M;
Grovenor, CRM;
(2006)
Josephson current suppression in three-dimensional focused-ion-beam fabricated sub-micron intrinsic junctions.
Superconductor Science and Technology
, 19
(5)
S187 - S190.
10.1088/0953-2048/19/5/S04.
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Warburton, PA;
Saleem, S;
Fenton, JC;
Korsah, M;
Grovenor, CRM;
(2009)
Dissipative Enhancement of the Supercurrent in Tl2Ba2CaCu2O8 Intrinsic Josephson Junctions.
PHYS REV LETT
, 103
(21)
, Article 217002. 10.1103/PhysRevLett.103.217002.
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Webster, CH;
Fenton, JC;
Hongisto, TT;
Giblin, SP;
Zorin, AB;
Warburton, PA;
(2013)
NbSi nanowire quantum phase-slip circuits: dc supercurrent blockade, microwave measurements, and thermal analysis.
Physical Review B
, 87
(14)
, Article 144510. 10.1103/PhysRevB.87.144510.
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Proceedings paper
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Fenton, JC;
Korsah, M;
Grovenor, CRM;
Warburton, PA;
(2007)
Switchable phase diffusion in intrinsic Josephson junction arrays.
In:
Proceedings of the 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors — M2S-HTSC VIII.
(pp. 1470 - 1471).
Elsevier B.V.
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Fenton, JC;
Korsah, M;
Grovenor, CRM;
Warburton, PA;
(2006)
Critical-current suppression in sub-micron intrinsic Josephson junction arrays.
In: Weber, HW and Sauerzopf, FM, (eds.)
Journal of Physics: Conference Series.
(pp. 1114 - 1118).
IOP Publishing Ltd: Bristol, UK.
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Fenton, JC;
Webster, CH;
Warburton, PA;
(2011)
Materials for superconducting nanowires for quantum phase-slip devices.
In:
Condensed Matter and Materials Physics Conference (CMMP10).
IOP Publishing Ltd: Bristol, UK.
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Thesis
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Constantino, NGN;
(2016)
Disorder in Superconductors in Reduced Dimensions.
Doctoral thesis , UCL (University College London).
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Da Silva Braz, NV;
(2016)
Experimental and numerical study of plasmonic-enhanced bulk and surface nonlinear optical effects.
Doctoral thesis , UCL (University College London).
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