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An exhaustive classification scheme of topological insulators and superconductors is presented. The key property of topological insulators (superconductors) is the appearance of gapless degrees ofâ€¦ (More)

- Gang Chen, Leon Balents, Andreas P. Schnyder
- Physical review letters
- 2009

We present a theory of spin and orbital physics in the A-site spinel compound FeSc2S4, which experimentally exhibits a broad "spin-orbital liquid" regime. A spin-orbital Hamiltonian is derived from aâ€¦ (More)

- David Miedinger, E Neukomm, +4 authors Jorg D. Leuppi
- Current medical research and opinion
- 2011

BACKGROUND
The GINA guidelines have redefined the primary goal of asthma treatment as achieving optimum control.
OBJECTIVES
To document the level of asthma control in Switzerland, the correlationsâ€¦ (More)

- Zhixiang Sun, Mostafa Janebi Enayat, +6 authors Peter Wahl
- Nature communications
- 2015

In non-magnetic bulk materials, inversion symmetry protects the spin degeneracy. If the bulk crystal structure lacks a centre of inversion, however, spin-orbit interactions lift the spin degeneracy,â€¦ (More)

- Andreas P. Schnyder, Philip M R Brydon
- Journal of physics. Condensed matter : anâ€¦
- 2015

Topological superconductors have become a subject of intense research due to their potential use for technical applications in device fabrication and quantum information. Besides fully gappedâ€¦ (More)

- Raquel Queiroz, Gabriel Landolt, +9 authors Hugo Dil
- 2016

Raquel Queiroz,1,* Gabriel Landolt,2,3 Stefan Muff,3,4 Bartosz Slomski,2,3 Thorsten Schmitt,3 Vladimir N. Strocov,3 Jianli Mi,5 Bo Brummerstedt Iversen,5 Philip Hofmann,5 JÃ¼rg Osterwalder,2 Andreasâ€¦ (More)

- Andreas P. Schnyder, Mark Beller, Gerald M Mehltretter, T Nsenda, MichÃ¨le Studer, Adriano F. Indolese
- The Journal of organic chemistry
- 2001

Primary aromatic amides were prepared by a palladium-catalyzed aminocarbonylation reaction of aryl halides in high yields (70-90%) using formamide as the amine source. The reactions require aâ€¦ (More)

- Y. X. Zhao, Andreas P. Schnyder, Z. D. Wang
- Physical review letters
- 2016

As PT and CP symmetries are fundamental in physics, we establish a unified topological theory of PT and CP invariant metals and nodal superconductors, based on the mathematically rigorous KO theory.â€¦ (More)

- Andreas P. Schnyder, Carsten Timm, Philip M R Brydon
- Physical review letters
- 2013

We study nondegenerate flatbands at the surfaces of noncentrosymmetric topological superconductors by exact diagonalization of Bogoliubov-de Gennes Hamiltonians. We show that these states areâ€¦ (More)

- Wei Chen, Manfred Sigrist, Andreas P. Schnyder
- Journal of physics. Condensed matter : anâ€¦
- 2016

For inversion-symmetric topological insulators and superconductors characterized by [Formula: see text] topological invariants, two scaling schemes are proposed to judge topological phase transitionsâ€¦ (More)