@UZHMat

Titus Neupert and the Condensed Matter Theory Group at the Faculty of Science @UZH_Science of the University of Zurich @UZH_en

 Zurich, Switzerland
physik.uzh.ch/en/groups/neupert.html
Joined May 2018
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  • Followers968
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Can the second Chern number be realized in a two-dimensional plane? Yes, it can - you just need to curve the plane! Our work on "Hyperbolic Non-Abelian Semimetal" about a 2D nodal semimetal stabilized by second Chern number just appeared in @PhysRevLett. journals.aps.org/prl/abstrac…
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We are happy to host an inspiring workshop with Joanthon Keats @jonathonkeats this weekend @UZH_en , using arts to reflect on what really matters
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A delicious cake to celebrate our recent work being accepted in #PRB! We have explored the possible charge orders in kagome materials with an enlarged unit cell, paving the way for future tests on these intriguing materials (arxiv.org/pdf/2307.02528.pdf)
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Congrats to our student Patrick Lenggenhager at @ETH_physics & @psich_en, also affiliated with @UZHMat, for defending your PhD thesis! Beside a nicely decorated hat, Patrick got as a present a handcrafted model of Klein quartic. We wish you exciting academic journey at @mpi_pks !
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2D topological superconductivity is taking shape, built atom by atom as Shiba lattice. Take a look at our recent work nature.com/articles/s41567-0…, led by Martina Soldini and Felix Küster in a wonderful collaboration between @UZHMat @UZHPhysics and the @PaoloSessi group @mpi_msp

Two-dimensional Shiba lattices as a possible platform for crystalline topological superconductivity

Nature Physics - One-dimensional chains of magnetic adatoms on the surface of a superconductor have been claimed to host topological states. Now, this idea is extended to two-dimensional systems.

nature.com
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To mathematicians who think deeply about high-dimensional data structures: consider applying here: jobs.uzh.ch/offene-stellen/a…
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Congratulations to M. Michael Denner for successfully defending a remarkable PhD work with projects on Kagome metals and non-Hermitian band theory! All the best for the future!
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Alternative qualification goal for doing a postdoc in Switzerland: thank you to our former team member Stepan Tsirkin, now Ikerbasque fellow in Donostia San Sebastian, for gifting us his ZH cantonal Schwingfest trophy!
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Congratulations to Xiaoxiong Liu for a successful PhD defense, crowning exciting work towards quantitative microscopic modeling of nonlinear transport. Check out arxiv.org/pdf/2303.10164.pdf and wannier berri wannier-berri.org All the best for the future!
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Congratulations to Bastien Lapierre for a successful PhD defense packed with driven conformal field theory and topologically localized insulators! We will miss you in Zurich and wish you all the best in Princeton!
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Condensed Matters retweeted
UZH Physik-Institut@UZHPhysics4 Apr 2023
Graphene is electrical conductor. But when its two layers are stacked with a twist, the system can suddenly become insulating. Researchers from Prof. Neupert group @UZHmat , Oxford and Berkeley proposed an explanation to this issue! Read more in @PhysRevX: journals.aps.org/prx/abstrac…

Kekul\'e Spiral Order at All Nonzero Integer Fillings in Twisted Bilayer Graphene

When twisted bilayer graphene is strained, a periodic distortion in the electron density is triggered by electron interactions, giving rise to a novel electronic state that may help explain the...

journals.aps.org
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Glenn Wagner from @UZHMat @UZHPhysics and collaborators predicted a phase of twisted bilayer graphene called Kekulé spiral journals.aps.org/prl/abstrac…. This has now been seen experimentally in @LabYazdani @PrincetonPhys arxiv.org/abs/2303.00024. Congrats to this very nice success!

Global Phase Diagram of the Normal State of Twisted Bilayer Graphene

We investigate the full doping and strain-dependent phase diagram of the normal state of magic-angle twisted bilayer graphene (TBG). Using comprehensive Hartree-Fock calculations, we show that at...

journals.aps.org
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We love the emerging group tradition of a paper publication cake! This one is from Michael Denner to celebrate his @SciPost_Physics article on the flux response of non-Hermitian topological matter (arxiv.org/abs/2208.11712)
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There's an empty site to be filled! We have a postdoctoral opening in our group: we are looking for a motivated team member with expertise in computational quantum many-body physics. More info on the application, physik.uzh.ch/dam/jcr:4f3982… , Please spread the word!
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Had a great time visiting @MPSDHamburg with many inspiring discussions. Looking forward to to all the cool physics that will be discovered in this wonderful new building!
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Condensed Matters retweeted
Tomáš Bzdušek@TomasBzdusek11 Jan 2023
We are hiring! 2x PhD + 1x Postdoc in cond-mat theory. Our research group, funded by an SNSF Starting Grant, will launch in October 2023! Details at physik.uzh.ch/en/department/…

Open Positions

physik.uzh.ch
TM↑3 — Topological Matter and MetaMaterials@UZH_TopoMat11 Jan 2023
Our group at @UZHPhysics in Zurich is hiring! We have open positions in cond-mat theory, focusing on topological matter and metamaterials, which can be started between Oct 2023 and Apr 2024. More info: 2x PhD: physik.uzh.ch/dam/jcr:209b0b… 1x Postdoc: physik.uzh.ch/dam/jcr:1e41c1…
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We have shown that fully localized, three-dimensional, time-reversal-symmetry-broken insulators do not belong to a single phase of matter, but can realize topologically distinct phases, the topological localized insulators! You can find out more here: journals.aps.org/prl/abstrac…
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Congratulations to David Urwyler on receiving the first Soluyanov Prize for the best theoretical physics master thesis @UZHPhysics @UZH_Science with his work on hyperbolic topological insulators. Thanks also to @TomasBzdusek for dedicated supervision!
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Condensed Matters retweeted
UZH Physik-Institut@UZHPhysics18 Oct 2022
It was a great inauguration lecture of @mark_h_fischer talking about “Not just perfect conductors: contemplating symmetry and #topology of unconventional #superconductors”. Congratulations ! 🎉🎉🎉
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We found chiral electrons in a nonchiral crystal, and probed them with nonlinear transport. They are switchable, too! Thanks for the amazing collab led by Philip Moll @MPSDHamburg with @mpi_CPfS @Gvamvim @mark_h_fischer . Now out in Nature rdcu.be/cXpWt
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