Oxford Symposium on Quantum Materials 2017

Somerville College, 28 April 2017

qms2017

Novel Theoretical and Experimental Approaches to Quantum Materials

8.40-9.00 am Registration and coffee, posters displayed

9.00-9.10 Paolo Radaelli , Oxford Physics
Welcome and updates on Oxford Quantum Materials

1. Experimental advances in quantum matter'

9.10-9.40 Ali Yazdani, Princeton University
Spotting the elusive Majorana under the microscope

9.40-10:00 Thorsten Hesjedal, Oxford Physics

Manipulation of Skyrmion Motion by Magnetic Field Gradients

10.00-10.20 Andrew Goodwin, Oxford Chemistry

Structural analogues of unconventional electronic and magnetic states

10.20-10:40 Coffee break

2. Theory:  analytical and first-principle methods

10.40-11:10 Andrey Chubukov, Minnesota University

Interplay between superconductivity, magnetism, and nematic order in Fe-pnictides/chalcogenides

11:10-11:25 Carla Verdi, Oxford Materials

 First-principles Frohlich electron-phonon coupling and polarons in anatase TiO2

11.25-11.55 Fernando de Juan, Oxford Physics
Quantized circular photogalvanic effect in Weyl semimetals.

11.55-12:15 Frank Kruger, UCL/ISIS
Topological Excitations and Bound States in a Quantum Dimer Antiferromagnet

12.15-2pm Lunch and Posters

GROUP PHOTO

3. Topological Aspects of Quantum Matter

­­2.00-2.30 Sang-Wook Cheong, Rutgers University

Topological Vortex Domains in Quantum Materials

2.30-2.45 Vincent Sacksteder, Royal Holloway

Tuning Quantum Transport and Interference in Topological Nanowires

2.45-3.00 Niels Schroter, Oxford Physics

Observation of Topological Surface States and Strong Electron/hole Imbalance in an Extreme Magnetoresistance Semimetal

3:00-3:15 Elliot Christou, University College London

Fluctuation enhanced topological Mott insulators

4. Magnetism

3.15-3.30 Marein Rahn, Oxford Physics

Spin dynamics in the antiferromagnetic phases of Dirac metals AMnBi2 (A = Sr, Ca)

3.30-3.45 Francis Pratt, ISIS/RAL
Quantum Spin Liquid Properties of a Hyperhoneycomb Lattice

3.45-4:00 Kun Cao, Oxford Materials
Linear response density functional theory calculations of spin fluctuations with plane-waves and pseudopotentials

4.00-4.20pm Coffee break

5. Electronic structure and Superconductivity

4.20-4.40 Sven Friedemann, Bristol University
Fermi surface studies at the Mott transition in NiS2

4.40-4.55 Pascal Reiss, Oxford Physics

Pressure Dependence of the Fermi Surface of the Nematic Superconductor FeSe1-xSx (x=0.11)

4.55-5.10  Luke Rhodes, Diamond/Royal Holloway
Strongly enhanced temperature dependence of the chemical potential in FeSe

5.10-5.25 Daniel Woodruff, Oxford Chemistry
Soft Chemistry of Iron Selenide Based Superconductors

5.25-5.40 Craig V. Topping, Oxford Physics

Coexistence of Magnetism and Superconductivity in Separate Layers of Iron-Based Superconductor Li1-xFex(OH)Fe1-ySe

5.40-6:00 Andy Schofield, Birmingham University

Quantum Multicriticality - The Ferromagnetic and Antiferromagnetic Case

6:00-6.10pm Closing remarks and collection of posters