Experimental Enigmas & Theoretical Challenges • 6–10 October 2025 • Budapest, Hungary Kísérleti rejtélyek és elméleti kihívások • 2025. október 6–10. • Budapest, Magyarország
The abstract booklet can be downloaded here. Az absztraktfüzet letölthető innen.
| 08:50 |
Registration and administration formalities
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| 09:20 |
Opening remarks 10’
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| 09:30 |
From continuum excitations to sharp magnons in a triangular lattice antiferromagnet
Radu Coldea (University of Oxford, UK)
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| 10:00 |
Reentrant Quantum Spin Liquid Behaviour in a Triangular‑Lattice Antiferromagnet
Andrej Zorko (Jožef Stefan Institute, Slovenia)
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| 10:30 |
Coffee break 30’
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| 11:00 |
Spin Liquids and Supersolids in Anisotropic Triangular‑Lattice Model
Alexander Chernyshev (University of California, Irvine, USA)
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| 11:30 |
Exotic phases for spin‑1/2 on the triangular lattice
Sylvain Capponi (University of Toulouse, France)
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| 12:00 |
Dynamics of critical spin liquids
Johannes Knolle (Technische Universität Munich, Germany)
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| 12:30 |
Lunch 1h 30’
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| 14:00 |
Coexisting Bond and Magnetic Frustration in RCd₃P₃ Triangular Lattice Antiferromagnets
Stephen Wilson (University of California, Santa Barbara, USA)
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| 14:30 |
The Heisenberg model on the triangular lattice, again
Federico Becca (University of Trieste, Italy)
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| 15:00 |
Triangular Heisenberg model under a magnetic field: Monte Carlo approach
Sasank Budaraju (Technische Universität Munich, Germany)
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| 15:15 |
Coffee break 30’
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| 15:45 |
Field Tunable QSL with Finite Spinon Density of States in new delafossite TlYbSe₂
Arnab Banerjee (Purdue University, USA)
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| 16:15 |
Dirac spin liquid, GPU and all that
Zi Yang Meng (The University of Hong Kong)
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| 09:00 |
Gapless quantum spin liquid and gapped 1/9 magnetisation plateaus in S = 1/2 kagome antiferromagnet
Yuji Matsuda (Los Alamos National Laboratory, USA)
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| 09:30 |
Elementary excitations in kagome one‑third plateau and magnetisation of dipole‑octupole quantum spin ice
Yamashita Minoru (The University of Tokyo, Japan)
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| 10:00 |
Plateau states of the spin 3/2 kagome antiferromagnet
Chisa Hotta (The University of Tokyo, Japan)
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| 10:30 |
Coffee break 30’
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| 11:00 |
Kagome Heisenberg quantum spin liquids: the case of Herbertsmithite and beyond
Philippe Mendels (Université Paris‑Saclay, France)
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| 11:30 |
Searching for Kitaev quantum spin liquids in Rh⁴⁺ honeycomb compounds
Sara Haravifard (Duke University, USA)
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| 12:00 |
Probing emergent Majorana modes in Kitaev spin liquids
Natalia Perkins (University of Minnesota, USA)
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| 12:30 |
Lunch 1h 30’
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| 14:00 |
Chiral spin liquids and the even–odd effect in Kitaev systems
Arnaud Ralko (Université Grenoble Alpes, France)
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| 14:30 |
Quantum phase diagram of the bilayer Kitaev–Heisenberg model
Saeed Jahromi (Institute for Advanced Studies in Basic Sciences, Iran)
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| 14:45 |
Group photo 10’
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| 15:00 |
Coffee break 1h
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| 16:00 |
Public Talk: “100 years of many‑particle quantum mechanics: from Bose and Fermi to quantum materials and devices”
Subir Sachdev (Harvard University, USA)
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| 17:30 |
Public Talk: “IBM Quantum Computing: Real‑World Benefits Now and the Road Ahead”
Ádám Szilágyi (IBM Quantum Ambassador)
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| 09:00 |
Observation of the Yamaji effect in a cuprate, and FL* theory of the pseudogap
Subir Sachdev (Harvard University, USA)
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| 09:30 |
Fractionalised orders: unconventional magnets and superconductors
Urban Seifert (University of Cologne, Germany)
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| 10:00 |
Kinetic energy frustration as new paradigm for correlated metals
Cristian Batista (University of Tennessee, USA)
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| 10:30 |
Coffee break 30’
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| 11:00 |
New insights into frustrated spin‑S chains
Frédéric Mila (EPFL, Lausanne, Switzerland)
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| 11:30 |
Scaling of gaps in Ising Models
Ribhu Kaul (Penn State University, USA)
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| 12:00 |
Nonlinear spectroscopy of quantum spin chains
Ciarán Hickey (University College Dublin, Ireland)
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| 12:30 |
Lunch 1h 30’
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| 14:00 |
From spin chains to corner‑sharing triangles in the compound family ACuTe₂O₆
Bella Lake (Helmholtz Zentrum and TU Berlin, Germany)
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| 14:30 |
Prevalence of highly dynamic magnetism in langbeinites
Ivica Živković (EPFL, Lausanne, Switzerland)
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| 15:00 |
Spin liquids on the tetratrillium lattice
Matías González (University of Bonn, Germany)
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| 15:15 |
Lieb–Schultz–Mattis constraints for 3D quantum paramagnets
Chunxiao Liu (Laboratoire de Physique des Solides, Orsay)
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| 15:45 |
Coffee break 30’
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| 16:15 |
Flux confinement–deconfinement transitions in pyrochlore magnets
Kedar Damle (Tata Institute of Fundamental Research, India)
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| 16:45 |
Spin‑1 liquid on pyrochlore and checkerboard lattices
Kirill Shtengel (University of California, Riverside, USA)
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| 17:15 |
Quantum phases of the antiferromagnetic J₁–J₂ spin‑1 pyrochlore Heisenberg model
Imre Hagymási (HUN‑REN Wigner Research Centre for Physics, Budapest)
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| 19:00 |
Conference dinner
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| 09:00 |
Dipole–octuple quantum spin ice ground states and their possible realisation in Ce‑based pyrochlores
Bruce Gaulin (McMaster University, Canada)
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| 09:30 |
Quantum spin ice in confined geometries
Jeffrey G. Rau (University of Windsor, Canada)
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| 10:00 |
Perfectly hidden order and Z₂ confinement transition in a magnetic monopole liquid
Attila Szabó (Universität Zürich, Switzerland)
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| 10:30 |
Coffee break 30’
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| 11:00 |
Novel insight into Tb₂Ti₂O₇ flavour modes and mixed dipolar–quadrupolar phases
Sylvain Petit (CEA–CNRS–Université Paris Saclay, France)
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| 11:30 |
High‑entropy materials as a platform to explore frustrated magnets
Françoise Damay (Laboratoire Léon Brillouin, France)
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| 11:30 |
Non‑reciprocal absorption spectroscopy and antiferromagnetic domain detection
Sándor Bordács (Budapest University of Technology and Economics, Hungary)
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| 12:30 |
Lunch 1h 30’
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| 14:00 |
Short presentations
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| 14:00 |
From Symmetry to Superconductivity in Elemental Rhenium
Márk Kondákor (Budapest University of Technology and Economics, Hungary)
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| 14:05 |
SU(2) symmetric Hamiltonian for the four-color states on the pyrochlore lattice
Péter Kránitz (Budapest University of Technology and Economics, Hungary)
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| 14:10 |
Nematic phases in frustrated magnets
László Rudner (Budapest University of Technology and Economics, Hungary)
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| 14:15 |
Novel quantum spin liquid states in the S = ½ three‑dimensional compound Y₃Cu₂Sb₃O₁₄
Avinash Mahajan (IIT Bombay, India)
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| 14:45 |
Spin‑liquid mimicry in the double‑hydroxide perovskite CuSn(OD)₆ induced by correlated proton disorder
Dmytro Inosov (Technische Universität Dresden, Germany)
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| 15:15 |
Fractionalised excitations and Floquet‑engineered frustration in quantum simulators
Rhine Samajdar (Princeton University, USA)
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| 15:45 |
Coffee break 30’
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| 16:15 |
Generic theories for pinch lines and multifold half moons in classical spin liquids
Ludovic Jaubert (CNRS, University of Bordeaux, France)
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| 16:45 |
Classical fracton Ising spin liquid on the octochlore lattice
Judit Romhányi (University of California, Irvine, USA)
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| 17:15 |
Fracton quantum spin liquid on a square lattice
Nils Niggemann (ICTP, Trieste, Italy)
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| 17:45 |
Finite-temperature quantum topological order in three dimensions
Tibor Rakovszky (Budapest University of Technology and Economics, Hungary)
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| 09:00 |
What can the tools of quantum information theory teach us about quantum magnets?
Nic Shannon (Okinawa Institute of Science and Technology, Japan)
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| 09:30 |
Two-dimensional coherent spectroscopy and photon echo in quantum spin chains
Masaki Oshikawa (The University of Tokyo, Japan)
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| 10:00 |
Impurity screening by defect in a spin-1 chain
Hong‑Hao Tu (Ludwig Maximilian University of Munich, Germany)
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| 10:30 |
Coffee break 30’
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| 11:00 |
Stability of critical spin liquids and deconfined criticality
Josef Willsher (MPIPKS, Dresden, Germany)
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| 11:15 |
Collinear altermagnets and their Landau theories
Hana Schiff (University of California, Irvine, USA)
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| 11:30 |
Do the Shastry-Sutherland, square and checkerboard lattices share a common spin liquid phase?
Yasir Iqbal (Indian Institute of Technology Madras, Chennai, India)
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| 12:00 |
Closing remarks 10’
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| 12:15 |
Lunch
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