University Of Oxford Advanced Research Computing

Richards, Andrew

doi:10.5281/zenodo.22558

Cited by 59 publications

(36 citation statements)

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“…This research is supported by STFC. The authors would like to acknowledge the use of the University of Oxford Advanced Research Computing (ARC) facility in carrying out this work [45].…”

Section: Acknowledgementsmentioning

confidence: 99%

First interpretation of 13 TeV supersymmetry searches in the pMSSM

Barr¹,

Liu

2016

Preprint

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The combined constraints from six early Run 2 ATLAS searches for supersymmetry are interpreted in the phenomenological minimal supersymmetric extension to the Standard Model (pMSSM). Each of the searches was based on proton-proton collision data recorded in 2015 at √ s = 13 TeV with 3.2 fb −1 of integrated luminosity. Sensitivity to squarks of the first two generations and gluinos are evaluated using fast detector simulation. Results are presented in the 19-parameter R-parity conserving pMSSM with the lightest supersymmetric particle (LSP) being the neutralino. Considering 181.8k points that survived Run 1 constraints, 15.7% are excluded at 95% confidence level. Of those satisfying these Run 2 constraints, 0.5% (1.0%) have sub-TeV gluinos (sub-500 GeV squarks), the lightest of which has a mass of 757 GeV (293 GeV) with a 689 GeV (217 GeV) LSP.

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“…This research is supported by STFC. The authors would like to acknowledge the use of the University of Oxford Advanced Research Computing (ARC) facility in carrying out this work [45].…”

Section: Acknowledgementsmentioning

confidence: 99%

First interpretation of 13 TeV supersymmetry searches in the pMSSM

Barr¹,

Liu

2016

Preprint

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“…The authors would like to acknowledge the use of the University of Oxford Advance Research Computing (ARC) facility in carrying out this work [69]. This work was supported by U.K. Engineering and Physical Sciences Research Council (EPSRC) Grant EP/P01058X/1.…”

Section: Acknowledgementsmentioning

confidence: 99%

Dipolar Bose-Hubbard Model in finite-size real-space cylindrical lattices

Hughes,

Jaksch

2021

Preprint

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Recent experimental progress in magnetic atoms and polar molecules has created the prospect of simulating dipolar Hubbard models with off-site interactions. When applied to real-space cylindrical optical lattices, these anisotropic dipole-dipole interactions acquire a tunable spatially-dependent component while they remain translationally-invariant in the axial direction, creating a sublattice structure in the azimuthal direction. We numerically study how the coexistence of these classes of interactions affects the ground state of hardcore dipolar bosons at half-filling in a finite-size cylindrical optical lattice with octagonal rings. When these two interaction classes cooperate, we find a solid state where the density order is determined by the azimuthal sublattice structure and builds smoothly as the interaction strength increases. For dipole polarisations where the axial interactions are sufficiently repulsive, the repulsion competes with the sublattice structure, significantly increasing entanglement and creating two distinct ordered density patterns. The spatially-varying interactions cause the emergence of these ordered states as a function of interaction strength to be staggered according to the azimuthal sublattices.

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“…Part of this work was performed at the Swiss Muon Source, PSI Switzerland. The authors made use of the University of Oxford Advanced Research Computing (ARC) facility 22 .…”

Section: Acknowledgmentsmentioning

confidence: 99%

FeTi2O5 : A spin Jahn-Teller transition enhanced by cation substitution

et al. 2019

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We have used muon-spin rotation, heat capacity and x-ray diffraction measurements in combination with density functional theory and dipole field calculations to investigate the crystal and magnetic structure of FeTi2O5. We observe a long range ordered state below TN=41.8(5) K with indications of significant correlations existing above this temperature. We determine candidate muon stopping sites in this compound, and find that our data are consistent with the spin Jahn-Teller driven antiferromagnetic ground state with k=(1/2,1/2,0) reported for CoTi2O5 (TN=26 K). By comparing our data with calculated dipolar fields we can restrict the possible moment size and directions of the Fe 2+ ions. arXiv:1906.06219v2 [cond-mat.str-el]

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University Of Oxford Advanced Research Computing

Cited by 59 publications

References 0 publications

First interpretation of 13 TeV supersymmetry searches in the pMSSM

First interpretation of 13 TeV supersymmetry searches in the pMSSM

Dipolar Bose-Hubbard Model in finite-size real-space cylindrical lattices

FeTi2O5 : A spin Jahn-Teller transition enhanced by cation substitution

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