2.5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- ETH ZurichCH630 papers
- Paul Scherrer InstituteCH136 papers
- École Polytechnique Fédérale de LausanneCH61 papers
- University of ZurichCH45 papers
- University of RegensburgDE44 papers
- Institute of PhysicsPL39 papers
- Centre National de la Recherche ScientifiqueFR37 papers
- Swiss Light Source37 papers
- Polish Academy of SciencesPL36 papers
- P.L. Kapitza Institute for Physical ProblemsRU26 papers
- National Institute for Materials ScienceJP25 papers
- University of GenevaCH23 papers
44 papers · 1 filter
Spin orbit coupling at the level of a single electron
V. F. Maisi, A. Hofmann, M. Röösli +5
We utilize electron counting techniques to distinguish a spin conserving fast tunneling process and a slower process involving spin flips in AlGaAs/GaAs-based double quantum dots.…
Non-adiabatic effects in the phonon dispersion of Mg 1--x Al x B 2
Matteo D'Astuto, Rolf Heid, Burkhard Renker +7
Superconducting MgB shows an E zone center phonon, as measured by Raman spectroscopy, that is very broad in energy and temperature dependent. The Raman shift and lifet…
Observation of Dirac-like band dispersion in LaAgSb
X. Shi, P. Richard, Kefeng Wang +10
We present a combined angle-resolved photoemission spectroscopy (ARPES) and first-principles calculations study of the electronic structure of LaAgSb in the entire first Brillo…
Mode specific backscattering in a quantum point contact
A. A. Kozikov, R. Steinacher, C. Rössler +4
We demonstrate a scanning gate grid measurement technique consisting in measuring the conductance of a quantum point contact (QPC) as a function of gate voltage at each tip positio…
Non-local polarization feedback in a fractional quantum Hall ferromagnet
Szymon Hennel, Beat A. Braem, Stephan Baer +11
In a quantum Hall ferromagnet, the spin polarization of the two-dimensional electron system can be dynamically transferred to nuclear spins in its vicinity through the hyperfine in…
Mapping an electron wave function by a local electron scattering probe
Christian Reichl, Werner Dietsche, Thomas Tschirky +2
A technique is developed which allows for the detailed mapping of the electronic wave function in two-dimensional electron gases with low-temperature mobilities up to 15E6 cm^2/Vs.…
Observation of Fermi arc spin texture in TaAs
B. Q. Lv, S. Muff, T. Qian +15
We have investigated the spin texture of surface Fermi arcs in the recently discovered Weyl semimetal TaAs using spin- and angle-resolved photoemission spectroscopy. The experiment…
Nearly-free electrons in a 5d delafossite oxide metal
Pallavi Kushwaha, Veronika Sunko, P. J. W. Moll +11
Understanding the role of electron correlations in strong spin-orbit transition-metal oxides is key to the realisation of numerous exotic phases including spin-orbit assisted Mott…
Landau-Zener interference at bichromatic driving
F. Forster, M. Mühlbacher, R. Blattmann +4
We investigate experimentally and theoretically the interference at avoided crossings which are repeatedly traversed as a consequence of an applied ac field. Our model system is a…
Raman study of spin excitations in the tunable quantum spin ladder Cu(Qnx)(ClBr)
G. Simutis, S. Gvasaliya, F. Xiao +2
Raman spectroscopy is used to study magnetic excitations in the quasi one dimensional quantum spin systems Cu(Qnx)(ClBr). The low energy spectrum is found t…
Electron scattering, charge order, and pseudogap physics in LaNdSrCuO: An angle resolved photoemission spectroscopy study
Christian E. Matt, Claudia G. Fatuzzo, Y. Sassa +27
We report an angle-resolved photoemission study of the charge stripe ordered LaNdSrCuO system. A comparative and quantitative line shape analysis is prese…
Spin pairs in a weakly coupled many-electron quantum dot
S. Hellmüller, D. Bischoff, T. Müller +3
We report the observation of an unusually large number of consecutive spin pairs in a weakly coupled many-electron GaAs/AlGaAs quantum dot. The pairs are identified due to pairwise…
Inhomogeneity of charge density wave order and quenched disorder in a high Tc superconductor
G. Campi, A. Bianconi, N. Poccia +11
It has recently been established that the high temperature (high-Tc) superconducting state coexists with short-range charge-density-wave order and quenched disorder arising from do…
Spin measurement using cycling transitions of a two-electron quantum dot molecule
Y. L. Delley, M. Kroner, S. Faelt +2
Two-electron charged self-assembled quantum dot molecules exhibit a decoherence-avoiding singlet-triplet qubit subspace and an efficient spin-photon interface. Here, we demonstrate…
Local lattice distortions vs. structural phase transition in NdFeAsO1-xFx
M. Calamiotou, D. Lampakis, N. D. Zhigadlo +5
The lattice properties at low temperatures of two samples of NdFeAsO1-xFx (x=0.05 and 0.25) have been examined in order to investigate possible structural phase transition that may…
Evidence for hydrodynamic electron flow in PdCoO
Philip J. W. Moll, Pallavi Kushwaha, Nabhanila Nandi +2
Electron transport is conventionally determined by the momentum-relaxing scattering of electrons by the host solid and its excitations. The electrical resistance is set by geometri…
Change of the charge modulation during superconducting transition in SmFeAsO(0.91)F(0.09) seen by 57Fe Mössbauer spectroscopy
A. K. Jasek, K. Komedera, A. Blachowski +4
Iron-based superconductor SmFeAsO(0.91)F(0.09) has been investigated by the 57Fe Moessbauer spectroscopy versus temperature with the special attention paid to the region of the sup…
Electron Spin Resonance in a Spin-1/2 Heisenberg Strong-rung Ladder
A. N. Ponomaryov, M. Ozerov, L. Zviagina +8
Cu(CHN)Cl, a strong-rung spin-1/2 Heisenberg ladder compound, is probed by means of electron spin resonance (ESR) spectroscopy in the field-induced gapless phase ab…
Band gap and broken chirality in single-layer and bilayer graphene
Anastasia Varlet, Ming-Hao Liu, Dominik Bischoff +6
Chirality is one of the key features governing the electronic properties of single- and bilayer graphene: the basics of this concept and its consequences on transport are presented…
Tunable Fermi surface topology and Lifshitz transition in bilayer graphene
Anastasia Varlet, Marcin Mucha-Kruczyński, Dominik Bischoff +6
Bilayer graphene is a highly tunable material: not only can one tune the Fermi energy using standard gates, as in single-layer graphene, but the band structure can also be modified…
Multistability and spin diffusion enhanced lifetimes in dynamic nuclear polarization in a double quantum dot
Florian Forster, Max Mühlbacher, Dieter Schuh +3
The control of nuclear spins in quantum dots is essential to explore their many-body dynamics and exploit their prospects for quantum information processing. We present a unique co…
Single-Spin CCD
Timothy Alexander Baart, Mohammad Shafiei, Takafumi Fujita +3
Spin-based electronics or spintronics relies on the ability to store, transport and manipulate electron spin polarization with great precision. In its ultimate limit, information i…
Transition of a 2D spin mode to a helical state by lateral confinement
P. Altmann, M. Kohda, C. Reichl +2
Spin-orbit interaction (SOI) leads to spin precession about a momentum-dependent spin-orbit field. In a diffusive two-dimensional (2D) electron gas, the spin orientation at a given…
Electron spin resonance in a model S=1/2 chain antiferromagnet with a uniform Dzyaloshinskii--Moriya interaction
A. I. Smirnov, T. A. Soldatov, K. Yu. Povarov +3
The electron spin resonance spectrum of a quasi 1D S=1/2 antiferromagnet K2CuSO4Br2 was found to demonstrate an energy gap and a doublet of resonance lines in a wide temperature ra…