talks/presentations



  • The Fate of Topological Mott Insulators and Novel Quantum Criticality of Dirac Fermions on the Honeycomb Lattice
    Theroretical Physics Seminar, University of Warwick (UK), 21 Feb, 2019

  • The Fate of Topological Mott Insulators and Novel Quantum Criticality of Dirac Fermions on the Honeycomb Lattice
    Seminar at the Max Planck Institute for Complex Systems (MPIpks), Dresden (Germany), 20 Dec, 2018

  • The Fate of the Topological Mott Insulator of Interacting Dirac Fermions on the Honeycomb Lattice
    Emergent Phenomena in Strongly Correlated Quantum Matter, Natal (Brazil), August 27-31, 2018

  • Geometrically frustrated spin-density waves in UAu2
    Excitation Group Away Day, EPNAD-18, Eynsham (UK), January 24-25, 2018

  • Topological Excitations and Bound States in a Quantum Dimer Antiferromagnet
    Condensed Matter Physics in the City, London (UK), July 10-14, 2017

  • Topological Excitations and Bound States in a Quantum Dimer Antiferromagnet
    Superstripes, Ischia (Italy), June 4-10, 2017

  • Topological Excitations and Bound States in a Quantum Dimer Antiferromagnet
    Oxford Symposium on Quantum Materials, Oxford (UK), April 28, 2017

  • Fluctuation-driven ordering phenomena in metals
    Physical Sciences Colloquium, University of Kent, April 5, 2017

  • Topological triplon excitations and bound states in the Shastry-Sutherland magnet SrCu2(BO3)2
    Correlated Electron Systems Seminar, Bristol (UK), Nov 4, 2016

  • Topological triplon excitations and bound states in the Shastry-Sutherland magnet SrCu2(BO3)2
    CSEC Seminar, Edinburgh (UK), Oct 27, 2016

  • Fluctuation-driven helical magnetic order near criticality
    Superstripes 2016, Ischia (Italy), June 23-29, 2016

  • Exotic ordering phenomena in metallic ferromagnets and spin-triplet nematics
    Landau Seminar, Loughborough (UK), May 16, 2016

  • Exotic ordering phenomena in metallic ferromagnets and spin-triplet nematics
    GRADnet/SEPnet Strong Correlations Workshop, Liphook (UK), April 18, 2016

  • Exotic ordering phenomena near quantum criticality
    Excitations away day, Pangbourne (UK), Jan 28, 2016

  • Fluctuation driven spiral magnetic order near criticality in PrPtAl
    International Conference on Magnetism (ICM) 2015, Barcelona (Spain), July 5-10, 2015

  • Exotic ordering phenomena in metallic ferromagnets and spin-triplet nematics
    KIT Condensed Matter Theory Seminar, Karlsruhe (Germany), May 21, 2015

  • Exotic ordering phenomena in metallic ferromagnets and spin-triplet nematics
    Nordita Condensed Matter Theory Seminar, Stockholm (Sweden), May 15, 2015

  • Quantum Indian Rope Tricks: Fluctuation driven magnetic hard-axis ordering in metallic ferromagnets
    APS March Meeting 2015, San Antonio (US), Mar. 2-6, 2015

  • Fermionic quantum order-by-disorder,
    TOPNES workshop, Abingdon (UK), Jan 12-13, 2015

  • Quantum Kapitza Pendulums: Fluctuation-driven ordering phenomena in metallic ferromagnets,
    Quantum Materials Cafe Scientifique, Oxford (UK), Dec. 8, 2014

  • Entanglement of critical fermions,
    Templeton Meeting, Leiden (The Netherlands), Nov. 24-25, 2014

  • Quantum Kapitza Pendulums: Fluctuation-driven ordering phenomena in metallic ferromagnets,
    Condensed Matter Seminar, Royal Holloway (UK), Nov. 12, 2014

  • Quantum Kapitza Pendulums: Fluctuation-driven ordering phenomena in metallic ferromagnets,
    CES Seminar Bristol (UK), Oct. 17, 2014

  • Exotic magnetic order near ferromagnetic quantum criticality,
    TEMM 2014, Abingdon (UK), Jul. 2-3, 2014

  • Quantum Indian Rope tricks with itinerant ferromagnets,
    Condensed Matter in the City, London (UK), Jun. 2-20, 2014

  • Exotic magnetic order near ferromagnetic quantum criticality,
    TOPNES spring workshop, StAndrews (UK), Mar. 20-21, 2014

  • Fluctuation driven spirals near ferromagnetic quantum criticality: theory and application to PrPtAl,
    2nd collaboration workshop Dresden-StAndrews, MPI CPfS, Dresden (Germany), Dec. 17, 2013

  • Fluctuation driven spirals near ferromagnetic quantum criticality,
    Condensed Matter Theory Seminar, Lorentz Institute, Leiden (The Netherlands), Nov. 21, 2013

  • Fermion sign structures and entanglement entropies of quantum critical metals,
    Templeton Workshop, Lorentz Institute, Leiden (The Netherlands), Nov. 19, 2013

  • Fluctuation driven spirals near ferromagnetic quantum criticality,
    NBI Condensed Matter Seminar, Copenhagen (Denmark), Nov. 14, 2013

  • Fluctuation driven spirals and helical glasses near ferromagnetic quantum criticality,
    UK-NL Condensed Matter Meeting, Bristol (UK), Aug. 30-31, 2013

  • Fluctuation driven spirals and helical glasses near ferromagnetic quantum criticality,
    CSEC Seminar, Edinburgh (UK), April 25, 2013

  • Breakdown of self-averaging in the disordered Bose-Hubbard model,
    Theory Seminar, Max-Panck Institute Dresden (Germany), Dec. 5, 2012

  • Quantum order-by-disorder near criticality and the secret of the partially ordered phase of MnSi,
    Superstripes 2012, Erice, Sicily (Italy), Jul. 11-17, 2012

  • Quantum order-by-disorder near criticality and the secret of the partially ordered phase of MnSi,
    TCM Seminar, Cambridge (UK), May 24, 2012

  • Quantum order-by-disorder near criticality and the secret of the partially ordered phase of MnSi,
    Landau Seminar, Loughborough (UK), Mar. 15, 2012

  • Quantum order-by-disorder near criticality and the secret of the partially ordered phase of MnSi,
    APS March Meeting, Boston (US), Feb. 27 - Mar. 2, 2012

  • Signatures of orbital ordering in iron pnictides,
    ESF Exploratory Workshop on Physics and Technology of Iron Pnictide Thin Films, Bad Schandau (Germany),
    May 23 - 25, 2011

  • Fermion Minus Signs, Quantum Criticality, and the Fractal Nodal Surface,
    Seminar, University of St Andrews, St Andrews (Scotland), Oct. 4, 2010

  • Fermion Minus Signs, Quantum Criticality, and the Fractal Nodal Surface,
    Physics Colloqium, Kent State University, Kent (US), Apr. 7, 2010

  • Anomalous suppression of the Bose glass at commensurate fillings in the disordered Bose-Hubbard model,
    APS March Meeting, Portland (US), Mar. 15-19, 2010

  • Anomalous suppression of the Bose glass at commensurate fillings in the disordered Bose-Hubbard model,
    ICAM conference on exotic insulating states of matter, Johns Hopkins University, Baltimore (US), Jan. 14-16, 2010

  • Spin-orbital frustrations and anomalous metallic state in iron-pnictide superconductors,
    APS March Meeting, Pittsburgh (US), Mar. 16-20, 2009

  • Fermion Minus Signs, Quantum Criticality, and the Fractal Nodal Surface,
    LASSP seminar, Cornell University, Ithaca (US), Feb. 26, 2009

  • Fermion Minus Signs, Quantum Criticality, and the Fractal Nodal Surface,
    ICMT seminar, Urbana-Champaign (US), Feb. 9, 2009

  • Fermionic quantum criticality and the fractal nodal surface,
    25th International conference on Low Temperature Physics, Amsterdam (NL), Aug. 6-13, 2008

  • Pacifying the Fermi Liquid: Battling the Devious Minus Signs,
    Stripes2008, Erice, Sicilily (Italy), Jul. 26 - Aug. 1, 2008

  • Fermionic quantum criticality and the fractal nodal surface,
    APS March Meeting, New Orleans (US), Mar. 10-14, 2008

  • Fermionic quantum criticality and the fractal nodal surface,
    Winter Conference "New Horizons in Condensed Matter Physics", Aspen (US), Feb. 4-10, 2008

  • Fermionic quantum criticality and the fractal nodal surface,
    Physics@FOM, Focus session on Quantum criticality, Veldhoven (NL), Jan. 22-23, 2008

  • Magnetic fluctuations in n-type cuprate superconductors reveal breakdown of fermiology,
    Condensed Matter Seminar, St. Andrews (Scotland), Oct. 4th, 2007

  • Magnetic fluctuations in n-type cuprates reveal breakdown of fermiology,
    CREST workshop, Tokyo (Japan), Feb. 23-25, 2007

  • Killing RPA in electron-doped cuprates,
    Stripes2006, Rome (Italy), December 2006

  • Magnetic fluctuations in n-type cuprates reveal radical departure from conventional metals and superconductors,
    Condensed Matter Theory seminar, Utrecht (NL), December 2006

  • Frustrated antiferromagnetism,
    Workshop on Quantum Criticality, Leiden (NL), August 2006

  • Frustrated antiferromagnetism: fluctuation induced first order vs. deconfined quantum criticality,
    Landelijk Seminarum Statistische Mechanica, Leiden (NL), March 2006

  • Frustrated quantum antiferromagnets: Deconfined quantum criticality versus
    fluctuation induced first order
    ,
    FOM Decemberdagen, Veldhoven (NL), December 2005

  • Ordering of spin and charge in stripe phases of layered antiferromagnets,
    Interview for postdoc position in Leiden (NL), May 2005

  • Quantum Phase Transitions of Frustrated Heisenberg Antiferromagnets,
    DPG-Frühjahrstagung, Berlin (Germany), March 2005

  • Spin Dynamics of Stripes,
    DPG-Frühjahrstagung, Dresden (Germany), March 2003



  • Quantum order-by-disorder in itinerant helimagnets and the secret of the partially ordered phase of MnSi,
    SCES conference, Cambridge (UK), Aug. 29 - Sep. 3, 2011

  • Fermionic quantum criticality and the nodal hypersurface geometry,
    FOM-meeting, Veldhoven (NL), January 2007

  • Frustrated quantum antiferromagnets: Fluctuation induced 1st order vs deconfined quantum criticality,
    International conference on high Tc, M2S-HTSC-VIII, Dresden (Germany), July 2006

  • Spin and charge ordering transitions in stripes,
    International Workshop on Electronic Crystals (ECRYS), Saint Flour (France), September 2002