News

• 2025/07/24 - New QTRG manuscript on arXiv: Multifold degeneracy points of quantum systems and singularities of matrix varieties.
• 2025/06/20 - Student Workshop on Integrability at Eotvos University in Budapest, featuring QTRG contributions: a talk by Miklos Toth, on "Sine-Gordon model at finite temperature: the method of random surfaces", and a poster by Istvan Csepanyi, on "Finite-Temperature Correlation Functions and Nonanalytic Behavior in the Ising Field Theory".
• 2025/06/17 - Seminar talk of Sun Woo Kim (King's College) at our department on Circuits as a simple platform for hydrodynamics.
• 2025/06/12 - Annual workshop of the Quantum Information National Laboratory of Hungary, featuring QTRG posters from Janos Asboth, Baksa Kolok, Gergo Pinter, and Domonkos Svastits.
• 2025/05/27 - Seminar talk of Andras Palyi at RWTH Aachen, upon invitation of Szabolcs Csonka, Christoph Stampfer, and Fabian Hassler, on "Spin qubits in semiconductors with strong spin-orbit coupling".
• 2025/05/23 - Quantum Matter 2025 conference in Grenoble, with three QTRG talks, presented by Sudipto Das, Andras Palyi, and Domonkos Svastits.
• 2025/05/23 - Talk of Aron Marton (Aachen) at our department seminar, on Lattice surgery-based logical state teleportation via noisy links.
• 2025/05/23 - New QTRG manuscript on arXiv, in collaboration with Faulhorn Labs: Multi-shot readout error benchmark of the nitrogen-vacancy center's electronic qubit.
• 2025/05/23 - New QTRG manuscript on arXiv, in collaboration with IBM, ELTE, Moth, Uni Basel, and TU Delft: Readout sweet spots for spin qubits with strong spin-orbit interaction.
• 2025/03/21 - Talk of Tibor Rakovszky at our department seminar, on Topological Quantum Spin Glass Order and its realization in qLDPC codes.
• 2025/05/09 - Balint Domokos gave a talk on his work on Characterization of errors in a CNOT between surface code patches at our department seminar.
• 2025/05/08 - The half-a-day workshop NV Cafe brought together Budapest researchers working on point-defect-based quantum technologies. Sponsored and hosted by Faulhorn Labs, organized by Faulhorn's Peter Boross and Gyozo Egri, ELTE's Viktor Ivady, and QTRG group leader Andras Palyi.
• 2025/05/06 - Short talk by Andras Palyi on "What do we need for quantum advantage", at BME's jovotervezo.bme outreach lecture series.
• 2025/04/28 - New QTRG manuscript on arXiv: Acoustic phonons, spin-phonon coupling and spin relaxation via the lattice reorientation mechanism in hexagonal germanium nanowires.
• 2025/04/25 - Budapest Integrability Day at the Wigner Research Centre for Physics, featuring a QTRG talk on the Sine-Gordon model at finite temperature: a method of random surfaces, presented by Miklos Toth.
• 2025/04/14 - Great crowd and insightful talks at the World Quantum Day Meetup in Budapest, kindly hosted and sponsored this year by IBM Hungary.
• 2025/04/09 - New QTRG manuscript on arXiv, in collaboration with ELTE's Zoltan Gyorgy and Gabor Szechenyi: Limitations of the g-tensor formalism of semiconductor spin qubits.
• 2025/04/07 - New QTRG paper, with Miklos Toth as first author and Marton Kormos as last author, is published in Physical Review B as an Editors' Suggestion: Sine-Gordon model at finite temperature: The method of random surfaces.
• 2025/03/31 - Two-day ONCHIPS work package meeting at TU Munich in Garching, with participation of Anirban Das, Baksa Kolok, Daniel Varjas, and Andras Palyi.
• 2025/03/28 - Talk of Gergo Pinter on Multifold degeneracy points of quantum systems and singularities of matrix varieties, delivered in the HUN-REN Alfred Renyi Institute of Mathematics. Video recording here.
• 2025/03/28 - Talk of Curt von Keyserlingk (King's College London) at our department seminar, on particle lifetimes in 1D lattice fermion systems at finite temperature.
• 2025/03/21 - Talk of Anirban Das at our department seminar, on the Role of interface hybridization on induced superconductivity in 2D heterostructures.
• 2025/03/14 - Talk of Sudipto Das at our department seminar, on the Theory of the Novel Phase of Fractional Quantum Hall States in the Second Landau Level.
• 2025/03/13 - Quantum error correction talks from our group, on logical CNOT and on the optimization of the number of measurement rounds, at the DPG SAMOP Spring meeting in Bonn.
• 2025/03/10 - Talk of Robert Nemeth (ELTE) at our Quantum Computing Group Meeting, on "Omnidirectional shuttling to avoid valley excitations in Si/SiGe quantum wells".
• 2025/03/07 - Talk of Tibor Rakovszky at our department seminar, on "Entanglement, topological order and glassiness in finite temperature quantum phases".
• 2025/03/04 - Talk of Adolfo del Campo (Luxemburg) at the Szilard Leo Colloquium, on "Phase transition dynamics: from cosmology to quantum computing".
• 2025/02/28 - Talk of Janos Asboth at our department seminar, on "Topological fine structure of an energy band ".
• 2025/02/21 - Talk of Frederic Holweck (Belfort-Montbeliard) at our department seminar, on "Contextuality and quantum computing".
• 2025/02/14 - Talk of Gergo Thiering (Wigner RCP) at our department seminar, on "Ab-initio theory of orbital and phonon driven relaxation pathways in quantum defects of semiconductors".
• 2025/01/29 - Postdoctoral research fellows Dr. Anirban Das, Dr. Solomon Samuel, and Dr. Sudipto Das joined the group.
• 2025/01/27 - Izabella Lovas (ETH Zurich) gave a talk at our weekly spin qubit group meeting, on "Quantum phases of matter under non-unitary dynamics", focusing mostly on this work.
• 2025/01/21 - Kick-off meeting of our newly established HUN-REN-BME-BCE Quantum Technology Research Group.
• 2025/01/20 - Tamas Krivachy (ICFO Barcelona) gave a talk at our weekly spin qubit group meeting, on "Topologically Robust Quantum Network Nonlocality".
• 2025/01/09 - Online kick-off meeting of QLSI2. With QTRG's contribution, this Horizon Europe project aims to build quantum computer prototypes based on silicon-based spin qubits.