A. Rosch

Publications237
h-index50
Citations12,478
Highly Influential Citations260
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Skyrmion Lattice in a Chiral Magnet
TLDR
This study experimentally establishes magnetic materials lacking inversion symmetry as an arena for new forms of crystalline order composed of topologically stable spin states in the chiral itinerant-electron magnet MnSi. Expand
Topological Hall effect in the A phase of MnSi.
TLDR
This work reports a distinct additional contribution to the Hall effect in the temperature and magnetic field range of the proposed Skyrmion lattice, where such a contribution is neither seen nor expected for a normal helical state. Expand
Fermi-liquid instabilities at magnetic quantum phase transitions
This review discusses instabilities of the Fermi-liquid state of conduction electrons in metals with particular emphasis on magnetic quantum critical points. Both the existing theoretical concepts… Expand
Universally diverging Grüneisen parameter and the magnetocaloric effect close to quantum critical points.
TLDR
For a magnetic-field driven transition, similar relations hold for the magnetocaloric effect (1/T) partial differential T/ partial differential H|(S) and the corrections to scaling are determined. Expand
Breathing modes and hidden symmetry of trapped atoms in two dimensions
Atoms confined in a harmonic potential show universal oscillations in two dimensions (2D). We point out the connection of these ``breathing'' modes to the presence of a hidden symmetry. The… Expand
Metallic and Insulating Phases of Repulsively Interacting Fermions in a 3D Optical Lattice
TLDR
This work was able to directly measure the compressibility of the quantum gas in the trap using in situ imaging and independent control of external confinement and lattice depth, to demonstrate the potential to model interacting condensed-matter systems using ultracold fermionic atoms. Expand
Sign change of the Gruneisen parameter and magnetocaloric effect near quantum critical points
We consider the Gr\"uneisen parameter and the magnetocaloric effect near a pressure and magnetic field controlled quantum critical point, respectively. Generically, the Gr\"uneisen parameter (and the… Expand
Spin Transfer Torques in MnSi at Ultralow Current Densities
TLDR
Spin Control Controlling and manipulating the spin of an electron is a central requirement for applications in spintronics and an efficient and simple superconducting-based single-electron transistor that can produce spin current with controlled flow is designed and fabricated. Expand
Emergent electrodynamics of skyrmions in a chiral magnet
When an electron moves in a smoothly varying non-collinear magnetic structure, its spin orientation adapts constantly, thereby inducing forces that act both on the magnetic structure and on the… Expand
Partial order in the non-Fermi-liquid phase of MnSi
Only a few metallic phases have been identified in pure crystalline materials. These include normal, ferromagnetic and antiferromagnetic metals, systems with spin and charge density wave order, and… Expand
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