4.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University College LondonGB816 papers
- Thomas Young CentreGB105 papers
- University of CambridgeGB94 papers
- University of OxfordGB89 papers
- Rutherford Appleton LaboratoryGB87 papers
- Paul Scherrer InstituteCH81 papers
- Centre National de la Recherche ScientifiqueFR78 papers
- Imperial College LondonGB59 papers
- École Polytechnique Fédérale de LausanneCH57 papers
- Brookhaven National LaboratoryUS52 papers
- University of GenevaCH52 papers
- ETH ZurichCH48 papers
46 papers · 1 filter
Controllable tunnelling of single flux-quanta mediated by quantum phase-slip in disordered superconducting loops
Jamie A. Potter, Jonathan C. Fenton, Paul A. Warburton
Quantum phase-slip (QPS) is the exact dual to the well-known Josephson effect. Although there are numerous proposals for applications of QPS devices, experimental work to develop t…
Structure of Charge Density Waves in LaBaCuO
J. Sears, Y. Shen, M. J. Krogstad +8
Although charge-density wave (CDW) correlations exist in several families of cuprate supercon-ductors, they exhibit substantial variation in CDW wavevector and correlation length,…
Gate-controlled conductance of superconducting NbN nanowires: coherent quantum phase-slips or Coulomb blockade?
M. S. Anwar, J. C. Fenton
Coherent quantum phase slips are expected to lead to a blockade of dc conduction in sufficiently narrow superconducting nanowires below a certain critical voltage. We present measu…
Nodeless superconductivity in LuRhSn with broken time reversal symmetry
A. Wang, Z. Y. Nie, F. Du +10
Evidence for broken time reversal symmetry (TRS) has been found in the superconducting states of the RhSn (R = Sc, Y, Lu) compounds with a centrosymmetric caged cry…
Nonlinear quantum processes in superconducting resonators terminated by neon-focused-ion-beam-fabricated superconducting nanowires
Jamie A. Potter, Oscar W. Kennedy, Jonathan C. Fenton +1
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 quarter-wavelength coplanar wav…
Charge density waves in cuprate superconductors beyond the critical doping
H. Miao, G. Fabbris, R. J. Koch +17
The unconventional normal-state properties of the cuprates are often discussed in terms of emergent electronic order that onsets below a putative critical doping of xc = 0.19. Char…
Tuning high-Q superconducting resonators by magnetic field reorientation
Christoph W. Zollitsch, James O'Sullivan, Oscar W. Kennedy +2
Superconducting resonators interfaced with paramagnetic spin ensembles are used to increase the sensitivity of electron spin resonance experiments and are key elements of microwave…
Josephson penetration depth in coplanar junctions based on 2D materials
Tianyi Li, John C Gallop, Ling Hao +1
Josephson junctions and SQUIDs with graphene or other 2D materials as the weak link between superconductors have become a hot topic of research in recent years, with respect to bot…
Persistent Charge Density Wave Memory in a Cuprate Superconductor
X. M. Chen, C. Mazzoli, Y. Cao +12
Although charge density wave (CDW) correlations appear to be a ubiquitous feature of the superconducting cuprates, their disparate properties suggest a crucial role for coupling or…
Tunable Nb superconducting resonators based upon a Ne-FIB-fabricated constriction nanoSQUID
Oscar W. Kennedy, Jonathan Burnett, Jonathan C. Fenton +4
Hybrid superconducting--spin systems offer the potential to combine highly coherent atomic quantum systems with the scalability of superconducting circuits. To fully exploit this p…
Emergence of Quantum Phase-Slip Behaviour in Superconducting NbN Nanowires: DC Electrical Transport and Fabrication Technologies
N. G. N. Constantino, M. S. Anwar, O. W. Kennedy +3
Superconducting nanowires undergoing quantum phase-slips have potential for impact in electronic devices, with a high-accuracy quantum current standard among a possible toolbox of…
Disorder quenching of the Charge Density Wave in ZrTe3
Moritz Hoesch, Liam Gannon, Kenya Shimada +5
The charge density wave (CDW) in ZrTe3 is quenched in samples with small amount of Te iso-electronically substituted by Se. Using angle-resolved photoemission spectroscopy we obser…
Little-Parks oscillations with half-quantum fluxoid features in Sr2RuO4 micro rings
Yuuki Yasui, Kaveh Lahabi, Muhammad Shahbaz Anwar +5
In a micro ring of a superconductor with a spin-triplet equal-spin pairing state, a fluxoid, a combined object of magnetic flux and circulating supercurrent, can penetrate as half-…
The three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned ARPES measurements
Matthew D. Watson, Saicharan Aswartham, Luke C. Rhodes +6
We report a comprehensive ARPES study of NaFeAs, a prototypical parent compound of the Fe-based superconductors. By mechanically detwinning the samples, we show that in the nematic…
Low-Loss Superconducting Nanowire Circuits Using a Neon Focused Ion Beam
Jonathan Burnett, James Sagar, Oscar W. Kennedy +2
We present low-temperature measurements of low-loss superconducting nanowire-embedded resonators in the low-power limit relevant for quantum circuits. The superconducting resonator…
Ballistic Josephson junctions based on CVD graphene
Tianyi Li, John Gallop, Ling Hao +1
Josephson junctions with graphene as the weak link between superconductors have been intensely studied in recent years, with respect to both fundamental physics and potential appli…
Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates
M. P. M. Dean, A. J. A. James, A. C. Walters +10
The cuprate high temperature superconductors exhibit a pronounced trend in which the superconducting transition temperature, , increases with the number of CuO plane…
Physical properties of noncentrosymmetric superconductor LaIrSi3: A μSR study
V. K. Anand, D. Britz, A. Bhattacharyya +6
The results of heat capacity C_p(T, H) and electrical resistivity ρ(T,H) measurements down to 0.35 K as well as muon spin relaxation and rotation (\muSR) measurements on a noncentr…
Spin fluctuations away from (pi,0) in the superconducting phase of molecular-intercalated FeSe
A. E. Taylor, S. J. Sedlmaier, S. J. Cassidy +5
Magnetic fluctuations in the molecular-intercalated FeSe superconductor Li{x}(ND2){y}(ND3){1-y}Fe2Se2 (Tc = 43K) have been measured by inelastic neutron scattering from a powder sa…
Absence of strong magnetic fluctuations in the iron phosphide superconductors LaFePO and Sr2ScO3FeP
A. E. Taylor, R. A. Ewings, T. G. Perring +4
We report neutron inelastic scattering measurements on polycrystalline LaFePO and Sr2ScO3FeP, two members of the iron phosphide families of superconductors. No evidence is found fo…
NbSi nanowire quantum-phase-slip circuits: dc supercurrent blockade, microwave measurements and thermal analysis
C. H. Webster, J. C. Fenton, T. T. Hongisto +3
We present a detailed report of microwave irradiation of ultra-narrow superconducting nanowires. In our nanofabricated circuits containing a superconducting NbSi nanowire, a dc blo…
Modelling the electronic structure and magnetic properties of LiFeAs and FeSe using hybrid-exchange density functional theory
Wei Wu
The electronic structure and magnetic properties of LiFeAs and FeSe have been studied using hybrid exchange density functional theory. The total energies for a unit cell in LiFeAs…
Optimum inhomogeneity of local lattice distortions in La2CuO4+y
Nicola Poccia, Alessandro Ricci, Gaetano Campi +9
Electronic functionalities in materials from silicon to transition metal oxides are to a large extent controlled by defects and their relative arrangement. Outstanding examples are…
Negative thermal expansion and antiferromagnetism in the actinide oxypnictide NpFeAsO
T. Klimczuk, H. C. Walker, R. Springell +12
A neptunium analogue of the LaFeAsO tetragonal layered compound has been synthesized and characterized by a variety of experimental techniques. The occurrence of long-range magneti…