New directions in the pursuit of Majorana fermions in solid state systems

J Alicea - Reports on progress in physics, 2012 - iopscience.iop.org
The 1937 theoretical discovery of Majorana fermions—whose defining property is that they
are their own anti-particles—has since impacted diverse problems ranging from neutrino …

An experimentalist's guide to the matrix element in angle resolved photoemission

S Moser - Journal of Electron Spectroscopy and Related …, 2017 - Elsevier
Angle resolved photoemission spectroscopy (ARPES) is commonly known as a powerful
probe of the one-electron removal spectral function in ordered solid state. With increasing …

Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry

R Suzuki, M Sakano, YJ Zhang, R Akashi… - Nature …, 2014 - nature.com
The valley degree of freedom of electrons is attracting growing interest as a carrier of
information in various materials, including graphene, diamond and monolayer transition …

A tunable topological insulator in the spin helical Dirac transport regime

D Hsieh, Y Xia, D Qian, L Wray, JH Dil, F Meier… - Nature, 2009 - nature.com
Helical Dirac fermions—charge carriers that behave as massless relativistic particles with an
intrinsic angular momentum (spin) locked to its translational momentum—are proposed to …

Observation of unconventional quantum spin textures in topological insulators

D Hsieh, Y Xia, L Wray, D Qian, A Pal, JH Dil… - Science, 2009 - science.org
A topologically ordered material is characterized by a rare quantum organization of
electrons that evades the conventional spontaneously broken symmetry–based …

Matching domain-wall configuration and spin-orbit torques for efficient domain-wall motion

AV Khvalkovskiy, V Cros, D Apalkov, V Nikitin… - Physical Review B …, 2013 - APS
In our numerical study, we identify the best conditions for efficient domain-wall motion by
spin-orbit torques originating from the spin Hall effect or Rashba effect. We demonstrate that …

Large Tunable Rashba Spin Splitting of a Two-Dimensional Electron Gas in

PDC King, RC Hatch, M Bianchi, R Ovsyannikov… - Physical review …, 2011 - APS
We report a Rashba spin splitting of a two-dimensional electron gas in the topological
insulator Bi 2 Se 3 from angle-resolved photoemission spectroscopy. We further …

Multichannel Generalization of Kitaev's Majorana End States and a Practical Route<? format?> to Realize Them in Thin Films

AC Potter, PA Lee - Physical review letters, 2010 - APS
The ends of one-dimensional p+ ip superconductors have long been predicted to possess
localized Majorana fermion modes [A. Kitaev, arXiv: cond-mat/0010440]. We show that …

Atom-specific spin mapping and buried topological states in a homologous series of topological insulators

SV Eremeev, G Landolt, TV Menshchikova… - Nature …, 2012 - nature.com
A topological insulator is a state of quantum matter that, while being an insulator in the bulk,
hosts topologically protected electronic states at the surface. These states open the …

Observation of a Warped Helical Spin Texture in from Circular <?format ?>Dichroism Angle-Resolved Photoemission Spectroscopy

YH Wang, D Hsieh, D Pilon, L Fu, DR Gardner… - Physical Review Letters, 2011 - APS
A differential coupling of topological surface states to left-versus right-circularly polarized
light is the basis of many optospintronics applications of topological insulators. Here we …