Concept

Spin group

Related publications (123)

Unsplittable coverings in the plane

A system of sets forms an m-fold covering of a set X if every point of X belongs to at least m of its members. A 1-fold covering is called a covering. The problem of splitting multiple coverings into several coverings was motivated by classical density est ...

Academic Press Inc Elsevier Science2016

Heuristic Description of Magnetoelectricity of Cu2OSeO3

Helmuth Berger

CuO2SeO3 is an insulating material that hosts topologically nontrivial spin whirls, so-called skyrmions, and exhibits magnetoelectric coupling allowing to manipulate these skyrmions by means of electric fields. We report magnetic force microscopy imaging o ...

Amer Chemical Soc2016

Ising pairing in superconducting NbSe2 atomic layers

László Forró, Helmuth Berger

The properties of two-dimensional transition metal dichalcogenides arising from strong spin-orbit interactions and valley-dependent Berry curvature effects have recently attracted considerable interest(1-7). Although single-particle and excitonic phenomena ...

Nature Publishing Group2016

Dissolution dynamic nuclear polarization of deuterated molecules enhanced by cross-polarization

Geoffrey Bodenhausen, Sami Jannin, Jonas Milani, Estel Canet Martinez, Daniel Abergel, Sina Marhabaie, Matthias Weller

We present novel means to hyperpolarize deuterium nuclei in (CD2)-C-13 groups at cryogenic temperatures. The method is based on cross-polarization from H-1 to C-13 and does not require any radio-frequency fields applied to the deuterium nuclei. After rapid ...

Amer Inst Physics2016

The classical and quantum dynamics of molecular spins on graphene

Klaus Kern, Marko Burghard, Stephan Rauschenbach

Controlling the dynamics of spins on surfaces is pivotal to the design of spintronic(1) and quantum computing(2) devices. Proposed schemes involve the interaction of spins with graphene to enable surface-state spintronics(3,4) and electrical spin manipulat ...

Nature Publishing Group2016

Observation of Dirac surface states in the noncentrosymmetric superconductor BiPd

Klaus Kern, Christian Reinhard Ast, Peter Wahl

Materials with strong spin-orbit coupling (SOC) have in recent years become a subject of intense research due to their potential applications in spintronics and quantum information technology. In particular, in systems which break inversion symmetry, SOC f ...

Amer Physical Soc2016

Thermoelasticity of Fe3+- and Al-bearing bridgmanite: Effects of iron spin crossover

Matteo Cococcioni

We report ab initio (LDA + U-sc) calculations of thermoelastic properties of ferric iron (Fe3+)- and aluminum (Al)-bearing bridgmanite (MgSiO3 perovskite), the main Earth forming phase, at relevant pressure and temperature conditions and compositions. Thre ...

American Geophysical Union2016

Radial expansion for spinning conformal blocks

This paper develops a method to compute any bosonic conformal block as a series expansion in the optimal radial coordinate introduced by Hogervorst and Rychkov. The method reduces to the known result when the external operators are all the same scalar oper ...

Springer2016

Structural Investigation of the High Spin -> Low Spin Relaxation Dynamics of the Porous Coordination Network [Fe(pz)Pt(CN)(4)]center dot 2.6H(2)O

Philip Pattison, Antoine Tissot

The Hoffman-type coordination compound [Fe(pz)Pt(CN)(4)]2.6H(2)O (pz=pyrazine) shows a cooperative thermal spin transition at around 270K. Synchrotron powder X-Ray diffraction studies reveal that a quantitative photoinduced conversion from the low-spin (LS ...

Wiley-Blackwell2015

Restricting representations of classical algebraic groups to maximal subgroups

Mikaël Cavallin

Fix an algebraically closed field

K

having characteristic

p\geq 0

and let

Y

be a simple algebraic group of classical type over

K.

Also let

X

be maximal among closed connected subgroups of

Y

and consider a non-trivial

p

-restricted irreducible ...

EPFL2015

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