Browse by UCL people
Group by: Type | Date
Number of items: 52.
Article
Alonso, AM;
Cooper, BS;
Deller, A;
Gurung, L;
Hogan, SD;
Cassidy, DB;
(2017)
Velocity selection of Rydberg positronium using a curved electrostatic guide.
Physical Review A
, 95
(5)
, Article 053409. 10.1103/PhysRevA.95.053409.
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Alonso, AM;
Cooper, BS;
Deller, A;
Hogan, SD;
Cassidy, DB;
(2016)
Positronium decay from n=2 states in electric and magnetic fields.
Physical Review A
, 93
(1)
, Article 012506. 10.1103/PhysRevA.93.012506.
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Alonso, AM;
Cooper, BS;
Deller, A;
Hogan, SD;
Cassidy, DB;
(2015)
Controlling Positronium Annihilation with Electric Fields.
Physical Review Letters
, 115
(18)
, Article 183401. 10.1103/PhysRevLett.115.183401.
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Alonso, AM;
Gurung, L;
Sukra, BAD;
Hogan, SD;
Cassidy, DB;
(2018)
State-selective electric-field ionization of Rydberg positronium.
Physical Review A
, 98
(5)
, Article 053417. 10.1103/PhysRevA.98.053417.
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Alonso, AM;
Hogan, SD;
Cassidy, DB;
(2017)
Production of 2(3) S-1 positronium atoms by single-photon excitation in an electric field.
Physical Review A
, 95
(3)
, Article 033408. 10.1103/PhysRevA.95.033408.
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Amad, AAS;
Deppisch, FF;
Fleck, M;
Gallop, J;
Goffrey, T;
Hao, L;
Higginbotham, N;
... Zou, J; + view all
(2025)
Determining absolute neutrino mass using quantum technologies.
New Journal of Physics
, 27
(10)
, Article 105006. 10.1088/1367-2630/adc624.
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Brown, LL;
Hogan, SD;
(2023)
Tunable Rydberg-Rydberg transitions in helium with reduced sensitivity to dc electric fields by two-colour microwave dressing.
Journal of Physics B: Atomic, Molecular and Optical Physics
, 56
, Article 205001. 10.1088/1361-6455/aceeda.
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Deller, A;
Alonso, AM;
Cooper, BS;
Hogan, SD;
Cassidy, DB;
(2016)
Electrostatically Guided Rydberg Positronium.
Physical Review Letters
, 117
(7)
, Article 073202. 10.1103/PhysRevLett.117.073202.
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Deller, A;
Alonso, AM;
Cooper, BS;
Hogan, SD;
Cassidy, DB;
(2016)
Measurement of Rydberg positronium fluorescence lifetimes.
Physical Review A
, 93
(6)
, Article 062513. 10.1103/PhysRevA.93.062513.
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Deller, A;
Hogan, SD;
(2020)
Excitation and characterization of long-lived hydrogenic Rydberg states of nitric oxide.
The Journal of Chemical Physics
, 152
(14)
, Article 144305. 10.1063/5.0003092.
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Deller, A;
Hogan, SD;
(2019)
Confinement of High- and Low-Field-Seeking Rydberg Atoms Using Time-Varying Inhomogeneous Electric Fields.
Physical Review Letters
, 122
(5)
, Article 053203. 10.1103/PhysRevLett.122.053203.
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Deller, A;
Hogan, SD;
(2018)
Microwave spectroscopy of the 1snp P-3(J) fine structure of high Rydberg states in He-4.
Physical Review A
, 97
(1)
10.1103/PhysRevA.97.012505.
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Deller, A;
Rayment, MH;
Hogan, SD;
(2020)
Slow Decay Processes of Electrostatically Trapped Rydberg NO Molecules.
Physical Review Letters
, 125
(7)
, Article 073201. 10.1103/PhysRevLett.125.073201.
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Gawlas, K;
Hogan, SD;
(2020)
Rydberg-State-Resolved Resonant Energy Transfer in Cold Electric-Field-Controlled Intrabeam Collisions of NH3 with Rydberg He Atoms.
Journal of Physical Chemistry Letters
, 11
(1)
pp. 83-87.
10.1021/acs.jpclett.9b03290.
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Gawlas, K;
Hogan, SD;
(2019)
Rydberg-state ionization dynamics and tunnel ionization rates in strong electric fields.
Physical Review A
, 99
, Article 013421. 10.1103/PhysRevA.99.013421.
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Gurung, L;
Babij, TJ;
Hogan, SD;
Cassidy, DB;
(2020)
Precision Microwave Spectroscopy of the Positronium n=2 Fine Structure.
Physical Review Letters
, 125
(7)
, Article 073002. 10.1103/physrevlett.125.073002.
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Gurung, L;
Babij, TJ;
Pérez-Ríos, J;
Hogan, SD;
Cassidy, DB;
(2021)
Observation of asymmetric line shapes in precision microwave spectroscopy of the positronium 2S13→2PJ3 ( J=1,2 ) fine-structure intervals.
Physical Review A
, 103
(4)
, Article 042805. 10.1103/physreva.103.042805.
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Gurung, L;
Cooper, BS;
Hogan, SD;
Cassidy, DB;
(2020)
Resonant shifts of positronium energy levels in MgO powder.
Physical Review A
, 101
(1)
, Article 012701. 10.1103/PhysRevA.101.012701.
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Hogan, SD;
Agner, JA;
Merkt, F;
Thiele, T;
Filipp, S;
Wallraff, A;
(2012)
Driving Rydberg-Rydberg transitions from a coplanar Microwave Waveguide.
Physical Review Letters
, 108
(6)
, Article e063004. 10.1103/PhysRevLett.108.063004.
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Hogan, SD;
Allmendinger, P;
Saßmannshausen, H;
Schmutz, H;
Merkt, F;
(2012)
Surface-electrode Rydberg-stark decelerator.
Physical Review Letters
, 108
(6)
, Article 063008. 10.1103/PhysRevLett.108.063008.
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Hogan, SD;
Houston, Y;
Wei, B;
(2018)
Laser photoexcitation of Rydberg states in helium with n > 400.
Journal of Physics B: Atomic, Molecular and Optical Physics
, 51
(14)
, Article 145002. 10.1088/1361-6455/aac8a1.
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Hogan, SD;
Merkt, F;
(2008)
Demonstration of three-dimensional electrostatic trapping of state-selected rydberg atoms.
Physical Review Letters
, 100
(4)
, Article e043001. 10.1103/PhysRevLett.100.043001.
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Hogan, SD;
Seiler, C;
Merkt, F;
(2009)
Rydberg-state-enabled deceleration and trapping of cold molecules.
Physical Review Letters
, 103
(12)
, Article 123001. 10.1103/PhysRevLett.103.123001.
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Hogan, SD;
Wiederkehr, AW;
Schmutz, H;
Merkt, F;
(2008)
Magnetic trapping of hydrogen after multistage zeeman deceleration.
Physical Review Letters
, 101
(14)
, Article 143001. 10.1103/PhysRevLett.101.143001.
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Lancuba, P;
Hogan, SD;
(2016)
Electrostatic trapping and in situ detection of Rydberg atoms above chip-based transmission lines.
Journal of Physics B: Atomic, Molecular and Optical Physics
, 49
(7)
, Article 074006. 10.1088/0953-4075/49/7/074006.
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Morgan, AA;
Hogan, SD;
(2020)
Coupling Rydberg Atoms to Microwave Fields in a Superconducting Coplanar Waveguide Resonator.
Physical Review Letters
, 124
(19)
, Article 193604. 10.1103/PhysRevLett.124.193604.
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Morgan, AA;
Zhelyazkova, V;
Hogan, SD;
(2018)
Preparation of circular Rydberg states in helium with n ≥ 70 using a modified version of the crossed-fields method.
Physical Review A
, 98
(4)
, Article 043416. 10.1103/PhysRevA.98.043416.
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Munkes, Fabian;
Rayment, Matthew H;
Trachtmann, Alexander;
Anschütz, Florian;
Eder, Ettore;
Hengel, Philipp;
Schellander, Yannick;
... Kübler, Harald; + view all
(2024)
High-Resolution Continuous-Wave Laser Spectroscopy of Long-Lived Rydberg States in NO.
Journal of Physical Chemistry Letters
, 15
(40)
pp. 10171-10180.
10.1021/acs.jpclett.4c02002.
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Palmer, J;
Hogan, SD;
(2017)
Experimental demonstration of a Rydberg-atom beam splitter.
Physical Review A
, 95
(5)
, Article 053413. 10.1103/PhysRevA.95.053413.
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Palmer, JE;
Hogan, SD;
(2019)
Electric Rydberg-Atom Interferometry.
Physical Review Letters
, 122
(25)
, Article 250404. 10.1103/PhysRevLett.122.250404.
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Palmer, JE;
Hogan, SD;
(2019)
Matter-wave interferometry with atoms in high Rydberg states.
Molecular Physics
, 117
(21)
pp. 3108-3119.
10.1080/00268976.2019.1607916.
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Rayment, MH;
Hogan, SD;
(2024)
Electrostatic Trapping of N_{2} Molecules in High Rydberg States.
Physical Review Letters
, 132
(11)
, Article 113201. 10.1103/PhysRevLett.132.113201.
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Rayment, MH;
Hogan, SD;
(2023)
Effects of rotational excitation on decay rates of long-lived Rydberg states in NO.
The Journal of Chemical Physics
, 159
(16)
, Article 164309. 10.1063/5.0171329.
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Rayment, MH;
Hogan, SD;
(2022)
Electrostatic trapping vibrationally excited Rydberg NO molecules.
Molecular Physics
10.1080/00268976.2022.2160846.
(In press).
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Rayment, MH;
Hogan, SD;
(2021)
Quantum-state-dependent decay rates of electrostatically trapped Rydberg NO molecules.
Physical Chemistry Chemical Physics
, 23
(34)
pp. 18806-18822.
10.1039/d1cp01930a.
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Rayment, MH;
Gurung, L;
Sheldon, RE;
Hogan, SD;
Cassidy, DB;
(2019)
Multiring electrostatic guide for Rydberg positronium.
Physical Review A
, 100
(1)
, Article 013410. 10.1103/PhysRevA.100.013410.
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Seiler, C;
Hogan, SD;
Schmutz, H;
Agner, JA;
Merkt, F;
(2011)
Collisional and radiative processes in adiabatic deceleration, deflection, and off-axis trapping of a Rydberg atom beam.
Physical Review Letters
, 106
(7)
, Article e073003. 10.1103/PhysRevLett.106.073003.
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Tommey, JDR;
Hogan, SD;
(2021)
Matter-wave interferometry with helium atoms in low- l Rydberg states.
Physical Review A
, 104
(3)
, Article 033305. 10.1103/physreva.104.033305.
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Tommey, JDR;
Hogan, SD;
(2019)
Resonant Rydberg-atom-microwave-field interactions in the ultrastrong-driving regime: Beyond the rotating-wave approximation.
Physical Review A
, 100
(5)
, Article 053417. 10.1103/PhysRevA.100.053417.
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Walker, DM;
Brown, LL;
Hogan, SD;
(2022)
Electrometry of a single resonator mode at a Rydberg-atom–superconducting-circuit interface.
Physical Review A
, 105
(2)
, Article 022626. 10.1103/physreva.105.022626.
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Walker, DM;
Morgan, AA;
Hogan, SD;
(2020)
Cavity-enhanced Ramsey spectroscopy at a Rydberg-atom–superconducting-circuit interface.
Applied Physics Letters
, 117
(20)
, Article 204001. 10.1063/5.0024176.
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Wall, TE;
Alonso, AM;
Cooper, BS;
Deller, A;
Hogan, SD;
Cassidy, DB;
(2015)
Selective production of Rydberg-stark states of positronium.
Physical Review Letters
, 114
(17)
, Article 173001. 10.1103/PhysRevLett.114.173001.
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Wall, TE;
Cassidy, DB;
Hogan, SD;
(2014)
Single-color two-photon spectroscopy of Rydberg states in electric fields.
PHYSICAL REVIEW A
, 90
(5)
, Article ARTN 053430. 10.1103/PhysRevA.90.053430.
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Zhelyazkova, V;
Hogan, SD;
(2017)
Probing resonant energy transfer in collisions of ammonia with Rydberg helium atoms by microwave spectroscopy.
The Journal of Chemical Physics
, 147
(24)
, Article 244302. 10.1063/1.5011406.
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Zhelyazkova, V;
Hogan, SD;
(2017)
Electrically tuned Forster resonances in collisions of NH3 with Rydberg He atoms.
Physical Review A
, 95
(4)
, Article 042710. 10.1103/PhysRevA.95.042710.
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Zhelyazkova, V;
Hogan, SD;
(2016)
Preparation of circular Rydberg states in helium using the crossed-fields method.
Physical Review A
, 94
(2)
, Article 023415. 10.1103/PhysRevA.94.023415.
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Zhelyazkova, V;
Jirschik, R;
Hogan, SD;
(2016)
Mean-field energy-level shifts and dielectric properties of strongly polarized Rydberg gases.
Physical Review A
, 94
(5)
, Article 053418. 10.1103/PhysRevA.94.053418.
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Zou, J;
Hogan, SD;
(2022)
Probing van der Waals interactions and detecting polar molecules by Förster-resonance energy transfer with Rydberg atoms at temperatures below 100 mK.
Physical Review A
, 106
(4)
, Article 043111. 10.1103/physreva.106.043111.
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Zou, Junwen;
Hogan, Stephen D;
(2023)
Absolute static-field magnetometry, magnetic gradiometry, and vector electrometry with circular Rydberg atoms.
Physical Review A
, 107
(6)
, Article 062820. 10.1103/physreva.107.062820.
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Thesis
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Hogan, SD;
(2006)
Rydberg states interacting in crossed electric and magnetic fields.
Doctoral thesis , Imperial College London.
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Jirschik, Robert;
(2019)
Hybrid Quantum Systems: Resonator State Preparation with Rydberg Atom Beams.
Doctoral thesis (Ph.D), UCL (University College London).
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Morgan, Alexandre;
(2020)
Coupling Rydberg atoms to superconducting microwave circuits.
Doctoral thesis (Ph.D), UCL (University College London).
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