Results 51 to 60 of about 176,214 (315)

Majorana fermions in an out-of-equilibrium topological superconducting wire: an exact microscopic transport analysis of a p-wave open chain coupled to normal leads

, 2012
Topological superconductors are prime candidates for the implementation of topological-quantum-computation ideas because they can support non-Abelian excitations like Majorana fermions. We go beyond the low-energy effective-model descriptions of Majorana
Bolech, C. J., Roy, Dibyendu, Shah, Nayana   +2 more
core   +1 more source

Simulating and studying the topological properties of the photon-phonon coupled modes in a one-dimensional superconducting circuit lattice

Results in Physics, 2022
We theoretically study the topological properties in a one-dimensional superconducting circuit lattice, where each unit cell is composed of a superconducting microwave cavity, a nanomechanical resonator (NAMR) and a superconducting qubit.
Yi-Ping Wang, Wei Wang, Lang Liu, Zhi-Yong Zheng, Meng-En Du   +4 more
doaj   +1 more source

A number conserving theory for topologically protected degeneracy in one-dimensional fermions

, 2011
Semiconducting nanowires in proximity to superconductors are among promising candidates to search for Majorana fermions and topologically protected degeneracies which may ultimately be used as building blocks for topological quantum computers.
Flensberg, K., Halperin, B. I., Sarma, S. Das, Sau, Jay D.   +3 more
core   +1 more source

Zeeman-field-induced valley-dependent topological phase transitions on the surface of a topological crystalline insulator SnTe

New Journal of Physics, 2016
Mirror-symmetric (001) surfaces of a topological crystalline insulator SnTe host an even number of Dirac cone structures of surface states. A Zeeman field generically gaps the surface states, leading to a 2D topological insulator.
Wei Luo, W Y Deng, L Sheng
doaj   +1 more source

Topological quantum numbers in the Hall effect

, 2003
Topological quantum numbers account for the precise quantization that occurs in the integer Hall effect. In this theory, Kubo's formula for the conductance acquires a topological interpretation in terms of Chern numbers and their non-commutative analog, the Fredholm Indices.
Avron, J. E., Osadchy, D., Seiler, R.
openaire   +2 more sources

Interplay between lattice topology, frustration, and spin quantum number in quantum antiferromagnets on Archimedean lattices [PDF]

Physical Review B, 2018
The interplay between lattice topology, frustration, and spin quantum number, $s$, is explored for the Heisenberg antiferromagnet (HAFM) on the eleven two-dimensional Archimedean lattices (square, honeycomb, CaVO, SHD, SrCuBO, triangle, bounce, trellis, maple-leaf, star, and kagome).
Farnell, D.J.J., Gōtze, O., Schulenburg, J., Zinke, R., Bishop, R.F., Li, P.H.Y.   +5 more
openaire   +4 more sources

SU(m) non-Abelian anyons in the Jain hierarchy of quantum Hall states

, 2010
We show that different classes of topological order can be distinguished by the dynamical symmetry algebra of edge excitations. Fundamental topological order is realized when this algebra is the largest possible, the algebra of quantum area-preserving ...
Carlo A Trugenberger, DiFrancesco P, Freedman M H Kitaev A Larsen M J Wang Z, M Cristina Diamantini, Sarmas S Das Freedman M H Nayak C Simon S H Stern A, Wybourne B, Yoshioka D   +6 more
core   +1 more source

Hyperbolic Topological Quantum Sources

Advanced Science
Robust Integrable Quantum Optical Sources, Constructed by Topological Boundary States, Are Crucial for the on‐chip Quantum Information Processing. However, Limited by the Bulk‐edge Correspondence, the Implementation of Topological Boundary Channels ...
Lu He, Lei Huang, Weixuan Zhang, Dongning Liu, Huizhen Zhang, Xue Feng, Fang Liu, Kaiyu Cui, Yidong Huang, Wei Zhang, Xiangdong Zhang   +10 more
doaj   +1 more source

Topological Nematic States and Non-Abelian Lattice Dislocations

Physical Review X, 2012
An exciting new prospect in condensed matter physics is the possibility of realizing fractional quantum Hall states in simple lattice models without a large external magnetic field.
Maissam Barkeshli, Xiao-Liang Qi
doaj   +1 more source

Topological recursion and a quantum curve for monotone Hurwitz numbers

Journal of Geometry and Physics, 2017
23 ...
Norman Do, Daniel V. Mathews, Alastair Dyer   +2 more
openaire   +3 more sources