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Topological systems

Topological systems

Investigations of topological concepts in condensed matter systems. Creation, detection and manipulation of topologically protected excitations.

ACTIVITIES

  • Contribute to Applications Q. Electrical Standards and Q. Computing
  • Offer workshops with external guests (improve visibility)
  • Offer a lecture series as a crash course into the topic (for PhDs especially)
  • Co-teach "Spezialvorlesungen" e.g. "Topological Systems and Q. Computing"

PUBLICATIONS

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Belke C, Locmelis S, Thole L, Schmidt H, Behrens P, Haug RJ. Thickness-dependent gap energies in thin layers of Hf Te5. 2D Materials. 2021 Jul;8(3). 035029. doi.org/10.1088/2053-1583/abf98b

Beule CD, Dominguez F, Recher P. Network model and four-terminal transport in minimally twisted bilayer graphene. 2021 Jul 10.

Bockhorn L, Rode JC, Gnörich L, Zuo P, Brechtken B, Haug RJ. Interlayer configurations of self-assembled folded graphene. Applied physics letters. 2021 Apr 26;118(17). 173101. doi.org/10.1063/5.0047602

Büscher F, Müllner S, Wulferding D, Pashkevich YG, Gnezdilov V, Peshkov AA et al. Раманівське розсіювання плоскохвильового та скрученого світла від хіральних молекулярних рідин. Fizika Nizkikh Temperatur. 2021 Nov;47(11):1045-1052.

De Beule C, Dominguez F, Recher P. Effective Floquet model for minimally twisted bilayer graphene. Physical Review B. 2021 Mai 21;103(19). 195432. doi.org/10.1103/PhysRevB.103.195432

Denisova K, Lemmens P, Wulferding D, Berdonosov P, Dolgikh V, Murtazoev A et al. Cu9O2(SeO3)4Cl6 revisited: Crystal structure, Raman scattering and first-principles calculations. Journal of alloys and compounds. 2022 Feb 15;894. 162291. doi.org/10.1016/j.jallcom.2021.162291

Fernández Scarioni A, Barton C, Corte-León H, Sievers S, Hu X, Ajejas F et al. Thermoelectric Signature of Individual Skyrmions. Physical review letters. 2021 Feb 16;126(7). 077202. doi.org/10.1103/PhysRevLett.126.077202

Glamazda A, Sharafeev A, Bohle R, Lemmens P, Choi KY, Chou FC et al. Легування від CDW до топологічної надпровідності: роль дефектів у розсіюванні фононів у нецентросиметричному PbxTaSe2. Fizika Nizkikh Temperatur. 2021 Nov;47(11):994-1002.

Gnezdilov V, Kurnosov V, Pashkevich Y, Bera AK, Islam ATMN, Lake B et al. Non-Abelian statistics in light-scattering processes across interacting Haldane chains. Physical Review B. 2021 Okt 15;104(16). 165118. doi.org/10.1103/PhysRevB.104.165118

Hong SJ, Xiao X, Wulferding D, Belke C, Lemmens P, Haug RJ. Strain-induced doping and zero line mode at the fold of twisted Bernal-stacked bilayer graphene. 2D Materials. 2021 Okt 18;8(4). 045009. doi.org/10.1088/2053-1583/ac152e

Ksenofontov V, Pashkevich YG, Panthöfer M, Gnezdilov V, Babkin R, Klauer R et al. FeMoO4 revisited: Crosslike 90° noncollinear antiferromagnetic structure caused by dzyaloshinskii-moriya interaction. Journal of Physical Chemistry C. 2021 Mär 18;125(10):5947-5956. doi.org/10.1021/acs.jpcc.1c01134

Madsen KA, Brouwer PW, Recher P, Silvestrov PG. Interference effects induced by a precessing easy-plane magnet coupled to a helical edge state. Physical Review B. 2021 Mär 24;103(11). 115142. doi.org/10.1103/PhysRevB.103.115142

Osborne TJ, Stottmeister A. Conformal field theory from lattice fermions. 2021 Jul 29.

Osborne TJ, Stottmeister A. Quantum Simulation of Conformal Field Theory. 2021 Sep 29.

Prikhodko OO, Bidasyuk YM. Projected gross–pitaevskii equation for ring-shaped bose–einstein condensates. Ukrainian Journal of Physics. 2021;66(3):198-205. doi.org/10.15407/ujpe66.3.198

Probst B, Virtanen P, Recher P. Sub- to Super-Poissonian crossover of current noise in helical edge states coupled to a spin impurity in a magnetic field. 2021 Jul 31.

Vanhove R, Lootens L, Damme MV, Wolf R, Osborne T, Haegeman J et al. A critical lattice model for a Haagerup conformal field theory. 2021 Okt 7.

Budker D, Crespo López-Urrutia JR, Derevianko A, Flambaum VV, Krasny MW, Petrenko A et al. Atomic Physics Studies at the Gamma Factory at CERN. Annalen der Physik. 2020 Aug 1;532(8). 2000204. doi.org/10.1002/andp.202000204

De Beule C, Dominguez F, Recher P. Aharonov-Bohm Oscillations in Minimally Twisted Bilayer Graphene. Physical review letters. 2020 Aug 28;125(9). 096402. doi.org/10.1103/PhysRevLett.125.096402

De Beule C, Silvestrov PG, Liu MH, Recher P. Valley splitter and transverse valley focusing in twisted bilayer graphene. Physical Review Research. 2020 Okt 28;2(4). 043151. doi.org/10.1103/PhysRevResearch.2.043151

Involved QF Members
Members Institution Relevant Expertise
Patrik Recher, LeaderTUBSTheory of Emergent Correlated Quantum Matter; Josephson Junctions; Twisted Bilayer Graphene; Twisted-bilayer-graphene physics in ultracold atoms in optical potentials
Peter SilvestrovTUBSTheory of Emergent Correlated Quantum Matter
Daniel FrombachTUBSJosephson Junctions, Topological Systems
Fernando DominguezTUBSJosephson Junctions, Topological Systems
Hans Werner SchumacherPTBMacroscopic Quantum Standards; Precision current metrology of single electron pumps; NV-centre-based magnetometry
Thomas GersterPTBprecision current metrology of single electron pumps
Alexander Fernandez-ScarioniPTBMacroscopic Quantum Standards
David ReifertPTBMacroscopic Quantum Standards
Rolf HaugLUHTwo-dimensional materials, Electrical Quantum Effects, Magnetic Quantum Effects
Michael OestreichLUHSpin and charge dynamics of single carriers in single semiconductor quantum dots
Lina BockhornLUHElectrical Quantum Effects
N.N.LUHTwo-Dimensional Materials
Meinhard SchillingTUBSElectronic Quantum Metrology; Optical Voltage Standard - Fast Prototyping and HTS Superconductors
Hansjörg SchererPTBAnomolous Quantum Hall Effect with Topological Materials
Tobias OsborneLUHTensor networks for many body localized systems
LUH / TUBSTensor networks for many body localized systems
Christoph KarraschTUBSTensor networks for many body localized systems
Hendrik WeimerLUHTheory of Dynamics of Manybody Quantum Systems
Luis SantosLUHTheory of Dynamics of Manybody Quantum Systems; Twisted-bilayer-graphene physics in ultracold atoms in optical potentials
LUHTheory of Dynamics of Manybody Quantum Systems
Wolfram BrenigTUBSstrongly correlated electron systems, quantum transport, quantum critical systems, low dimensional quantum magnets
Peter LemmensTUBSPropagation of Twisted Light through Media: New Possibilities for Information Transfer; Spectroscopics of Topological Materials
Andrey SurzhykovPTBLight-Matter Interfaces and Dynamics
Yuriy BidasyukPTBInteraction of twisted light with Bose-Einstein condensates