In: Letters in Mathematical Physics, 2015, vol. 105, no. 9, p. 1321-1331
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In: Communications in Mathematical Physics, 2015, vol. 335, no. 2, p. 609-636
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In: Letters in Mathematical Physics, 2015, vol. 105, no. 12, p. 1735-1783
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In: Communications in Mathematical Physics, 2015, vol. 336, no. 1, p. 1-26
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In: Annales Henri Poincaré, 2015, vol. 16, no. 8, p. 1937-1967
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In: Communications in Mathematical Physics, 2015, vol. 338, no. 2, p. 533-561
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In: Communications Materials, 2021, vol. 2, no. 1, p. 25
Strain is ubiquitous in solid-state materials, but despite its fundamental importance and technological relevance, leveraging externally applied strain to gain control over material properties is still in its infancy. In particular, strain control over the diverse phase transitions and topological states in two-dimensional transition metal dichalcogenides remains an open challenge. Here, we...
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In: Proceedings of the National Academy of Sciences, 2020, vol. 117, no. 44, p. 27104–27110
We report the optical conductivity in high-quality crystals of the chiral topological semimetal CoSi, which hosts exotic quasiparticles known as multifold fermions. We find that the optical response is separated into several distinct regions as a function of frequency, each dominated by different types of quasiparticles. The low-frequency intraband response is captured by a narrow Drude peak...
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In: Physical Review X, 2020, vol. 10, no. 4, p. 041013
Pumping graphene with circularly polarized light is the archetype of light-tailoring topological bands. Realizing the induced Floquet-Chern-insulator state and demonstrating clear experimental evidence for its topological nature has been a challenge, and it has become clear that scattering effects play a crucial role. We tackle this gap between theory and experiment by employing microscopic...
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In: Nature Physics, 2020, p. -
Nd2Ir2O7 is a correlated semimetal with the pyrochlore structure, in which competing spin–orbit coupling and electron–electron interactions are believed to induce a time- reversal symmetry-broken Weyl semimetal phase characterized by pairs of topologically protected Dirac points at the Fermi energy1,2,3,4. However, the emergent properties in these materials are far from clear, and exotic...
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