Quantum Materials Symposium 2019

 

 

QUANTUM MATERIALS SYMPOSIUM 2019

qms2019

Monday 23 September 2019

8:15-8:45 Registration and posters displayed

8:45-9:00 Paolo Radaelli, Oxford Physics
Welcome and updates on Oxford Quantum Materials

A. Magnetism and Model Systems (Chair: Leon Balents)

9:00-9:05 Leon Balents, KITP, UCSB
Introduction to the session “Magnetism and Model Systems”

9:05-9:30 Hide Takagi, Max Planck Institute Stuttgart
Exotic spin-orbital entangled phases in 5d and 4d transition metal oxides

9:30-9:55 Roser Valenti, Goethe University Frankfurt
Recent progress on field- and pressure-induced phases in spin-orbit-coupled frustrated models and materials

9:55-10:20 Chris Stock, University of Edinburgh
Spin-wave directional anisotropies in langasite without antisymmetric exchange

 

10:20-10:50 Coffee break

 

10:50-11:15 Chris Wiebe University of Winnipeg, University of Edinburgh
High pressure routes to new pyrochlores and exotic magnetism

11:15-11:40 Lucile Savary, CNRS, ENS Lyon
SU(4) antiferromagnetism and dimers

11:40-12:10 Leon Balents, KITP, UCSB
Discussion leader

 

GROUP PHOTO

12:30-13:30 Lunch Somerville College / Posters Martin Wood and Beecroft foyer

 

B. Structure and Dynamics (Chair: Simon Wall)

13:40-14:45 Simon Wall, ICFO
Introduction to the session “Structure and Dynamics”

14:45-14:10 Peter Abbamonte, University of Illinois, Urbana-Champaign
Universal CDW dynamics in La2-xBaxCuO4 measured with time-resolved RIXS

14:10-14:35 Lara Benfatto, ISC-CNR and Sapienza University of Rome, Italy
Unconventional spectroscopies of superconducting collective modes

14:35-15:00 Giacomo Ghiringhelli, Politecnico di Milano
Charge density waves and charge density fluctuations in cuprates

 

15:00-15:25 Coffee break

 

15:25-15:50 Silke Bierman, Ecole Polytechnique Paris
Electronic structure of Sr2IrO4: a dynamical mean field view

15:50-16:15 James McIver, Max Planck Institute for the Structure and Dynamics of Matter

Femtosecond science on-chip: Capturing light-induced anomalous Hall currents in graphene

16:15-16:45 Simon Wall, ICFO
Disorder in the ultrafast phase transition in VO2 and Discussion Leader

 

16:45-18:00 Poster session and Drinks

18:00-19:00 Dinner, Somerville College

19:30 Quantum Materials Public Lecture

          Stephen Blundell, University of Oxford

          The Many Universes of Quantum Materials

          (please book tickets at : bit.ly/qmpl2019)

 

Tuesday 24 September 2019

C. Devices and Interface Phenomena (Chair: R. Ramesh)

9:00-9:05 R. Ramesh,University of California, Berkeley
Introduction to the session “Devices and Interface Phenomena”

9:05-9:30 Stuart Parkin, Max Planck Institute Halle
TBA

9:30-9:55 Jian Shen, Fudan University
Complex Magnetic Domain Structures in Oxides: Physical Origin and Device Applications

9:55-10:20 Jochen Manhart, Max Planck Institute for Solid State
Dissipationless Charge Transport without Superconductivity?

10:20-10:50 Coffee break

10:50-11:15 Sasi Manipatruni, Kepler Computing
Building the next ubiquitous computing with quantum materials

11:15-11:40 Felix Casanova, CIC nanoGUNE
Spin-to-charge current conversion for logic devices

11:40-12:10 R. Ramesh, University of California, Berkeley
Discussion Leader

 

12:30-13:30 Lunch Somerville College/  Posters Martin Wood and Beecroft foyer

D. Topology (Chair: Claudia Felser)

13:40-13:45 Claudia Felser, Max Planck Institute for Chemical Physics of Solids
Introduction to the sessionTopology

13:45-14:10 Andrei Bernevig, Freie Universität Berlin Princeton University
Hinge Arcs and Dirac Semimetals: the first spectroscopic consequence of Dirac crossings

14:10-14:35 Ashvin Vishwanath, Harvard University
Superconductivity and Topology in Moire Materials

14:35-15:00 Sang Cheong, Rutgers University
Topological vortex domains in quantum materials

 

15:00-15:25 Coffee break

 

15:25-15:50 Radu Coldea, university of Oxford
Inelastic neutron scattering studies of touching points in magnon bands

15:50-16:15 Charles Tschirhart, University of California Santa Barbara
Intrinsic quantized anomalous Hall effect in twisted bilayer graphene

16:15-16:45 Claudia Felser, Max Planck Institute for Chemical Physics of Solids
Discussion leader /Topological materials science

 

16:45-18:30 Poster session and Drinks

18:30 Conference Dinner, Wadham College

Wednesday 25 September 2019

E. Superconductivity (Chair: Séamus Davis)

9:00-9:05 Séamus Davis, University of Oxford
Introduction to the session “Superconductivity”

9:05-9:30 Andrey Chubukov, University of Minnesota
Feedbacks from nematic order in FeSe

9:30-9:55 - Stephen Hayden, Bristol University
Spin and charge correlations in superconductors

9:55-10:20 Tom Devereaux, Stanford University
Bad Metallic Transport, CDWs, and Superconducting Pairing in the Hubbard Model

 

10:20-10:50 Coffee break

 

10:50-11:15 Suchitra Sebastian, University of Cambridge
Unconventional superconductivity in high magnetic fields

11:15-11:40 Peter Hirschfeld, University of Florida
Knight Shift and Leading Superconducting Instability From Spin Fluctuations in Sr2RuO4

11:40-12:10 Séamus Davis, University of Oxford
Discussion leader

 

12:30-13:30 Lunch Somerville College

POSTER PRESENTATIONS

MONDAY 23 SEPTEMBER 2019

1.

Alessandro Lodi

University of Oxford

Devices

Chemical Tuning of Graphene Nanoribbon FETs

2.

Marein Rahn

TU Dresden

Dynamics

Resonant inelastic x-ray scattering as a probe of coherent valence dynamics

3.

Anuradha Vibhakar

University of Oxford

Magnetism

The magnetic structure and spin-flop transition in the A-site columnar-ordered quadruple perovskite TmMn3O6

4

Sam Garratt

University of Oxford

Magnetism

Goldstone Modes in the Emergent Gauge Fields of a Frustrated Magnet

5.

Shivani Sharma

STFC-RAL

Magnetism.

Quadrupole ordering, structural phase transition, and crystal field excitations of YbRu2Ge2

6.

Hwanbeom Cho

University of Oxford

Magnetism

Emergence of Spin-Orbital Entangled Jeff=1/2 State in CuAl2O4

7.

Simon Clarke

University of Oxford

Magnetism.

Structures, magnetism and Chemistry of Layered oxide chalcogenides

8.

Sven Friedemann

University of Bristol

Magnetism

Quantum Tricriticality in Ferromagnets

9.

Pascal Manuel ISIS Pulsed Neutron Source

Magnetism

Gapless spin-liquid state in the structurally disorder-free triangular antiferromagnet NaYbO2

10.

Simen Sopp

Department of Materials, University of Oxford

Magnetism.

Millikelvin Torque Magnetometry of Molecular Magnets

11.

Miska Elliot

University of Oxford

Magnetism

Experimental exploration of Dirac magnons in honeycomb magnets

12.

Jhuma Sannigrahi

Loughborough University

Magnetism

Commensurate to incommensurate magnetic phase transition in Honeycomb-lattice pyrovanadate Mn2V2O7

13.

Hangwen Guo

Fudan University

Magnetism

Designing emergent functionalities in complex oxides

14.

Aleksandra Krajewska

Max Planck Institute for Solid State Research

Magnetism

Multiple spin and orbital transitions in new pyrochlore ruthenate In2Ru2O7

15.

Amir Haghighirad

Karlsruhe Institute of Technology

Magnetism

Lattice and spin dynamics in CrAs

16.

Timothy Ziman

 Institut Laue Langevin and CNRS

Magnetism

Enhanced thermopower and critical fluctuations in antiferromagnetic films

17.

Michael Slota

Oxford University

Magnetism

Coherence transfer in magnetic graphene nanoribbons

18.

Elliot Christou

University College London

Model Systems

Lattice symmetry breaking and Dirac fermion quantum criticality

19.

Mikolaj Uryszek

UCL

Model Systems

Fermionic quantum criticality in two dimensional topological phase transitions

20.

Matthew Trott

University of St Andrews

Model Systems

Topological superconductivity near Lifshitz transitions in strongly spin-orbit-coupled metals.

21.

Attila Szabó

University of Cambridge

Model Systems

Seeing beyond the light: Semiclassical simulation of visons and photons in quantum spin
ice
 

22.

Kathryn Boast

University of Oxford

Other

Outreach and Public Engagement with Quantum Materials Research

23.

Matthias Gutmann

Rutherford Appleton Laboratory

Model Systems

Crystal structure of CaBaFe4O7

24.

Xiaodong Zhou

Fudan University

Other

Imaging the nanoscale phase separation in V2O3 with scanning Microwave Impedance Microscope (sMIM)

25.

Rocco Vitalone

Columbia University

Dynamics

Near-Field Pump Probe Spectroscopy of Mott Insulating Ca2RuO4

 

TUESDAY 24 SEPTEMBER 2019

1.

Mark Senn

University of Warwick

Superconductivity.

 Improper Ferroelectric Polarisation in a Perovskite driven by Inter-site Charge Transfer and Ordering

2.

Pascal Reiss

University of Oxford

Superconductivity.

Finite electronic correlations and two-dome superconductivity across a clean nematic quantum phase transition

3.

Zachary Zajicek

University of Oxford

Superconductivity.

Evolution of the Fermi surfaces and electronic correlations in the high pressure phase of

FeSe1-xSx

4.

Machteld Kamminga

University of Oxford

Superconductivity

Tailoring superconducting properties in intercalated layered chalcogenides

5.

​Shiv J Singh

University of Oxford

Superconductivity. Superconductivity dependence on the growth conditions  in the stoichiometric CaKFe4As4

6.

Deepark Singh

STFC RAL

Superconductivity

 Probing the superconducting ground state of noncentrosymmetric superconductors using muon spectroscopy

7.

Ke Zou

University of British Columbia

Superconductivity.

Superconducting FeSe monolayer on different oxide substrates

8.

Matthew Bristow

University of Oxford

Superconductivity

Upper critical fields in the nematic superconductor FeSe1-xSx

9.

Miguel Antonio Sulangi

University of Florida

Superconductivity

Phase Fluctuations and Disorder in the Superconducting Cuprates

10.

Liam Farrar

University of Bath

Superconductivity

Suppression of superconductivity and enhancement of anisotropy in ultra-thin flakes of FeSe

11.

Kai Liu

Renmin University of China

Superconductivity

Electronic structures of quasi-one-dimensional cuprate superconductors Ba2CuO3+δ

12.

Dimitrios Alexandropoulos

University of Oxford

Synthesis

Integrating multiple spintronic functionalities into single molecules

13.

Andrew Boothroyd

University of Oxford

Topology

Evidence for a magnetically-induced Weyl semimetal with a single pair of Weyl nodes

14.

Lapo Bogani

University of Oxford

Topology

Quantum effects in molecularly-tailored graphene

15.

Cephise Cacho

Diamond Light Source

Topology

ARPES on microscopic structures at Diamond beamline I05

16.

Kylie MacFarquharson

University of Oxford

Superconductivity

The effect of K dosing on the electronic structure of superconducting FeSe1-xSx

17.

Peayush Kumar Choubey

Ruhr-University Bochum

Superconductivity

Coexisting pair density wave and superconducting order in underdoped cuprates

18.

Roemer Hinlopen

University of Oxford

Superconductivity

Fermi surface topography of a nematic superconductor FeSe

19.

Y. H. Kwan

University Of Oxford

Topology

Quantum oscillations probe the Fermi surface topology of the nodal-line semimetal CaAgAs

20.

 

Oliver Squire

University of Oxford

Superconductivity

The effects of Co-doping on superconductivity and nematicity in FeSe

21.

 

Hechang Lei

Renmin University of China

Topology

Magnetic Topological Semimetals with Kagome Lattices

22.

 

Glenn Wagner

University of Oxford

Other

Quantum transport in bilayer graphene near charge neutrality beyond hydrodynamics

23.

Lucian PASCUT

Stefan Cel Mare University, Suceava

Other

Predictive powers of the DFT + eDMFT method  for electronic and structural properties

 
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