Magnetic memory and spontaneous vortices in a van der Waals superconductor

E Persky, AV Bjørlig, I Feldman, A Almoalem, E Altman… - Nature, 2022 - nature.com
Doped Mott insulators exhibit some of the most intriguing quantum phases of matter,
including quantum spin liquids, unconventional superconductors and non-Fermi liquid …

Superconducting and normal-state anisotropy of the doped topological insulator Sr0.1Bi2Se3

MP Smylie, K Willa, H Claus, AE Koshelev, KW Song… - Scientific reports, 2018 - nature.com
SrxBi2Se3 and the related compounds CuxBi2Se3 and NbxBi2Se3 have attracted
considerable interest, as these materials may be realizations of unconventional topological …

Realization of Weyl semimetal phases in topoelectrical circuits

SM Rafi-Ul-Islam, ZB Siu, C Sun… - New Journal of …, 2020 - iopscience.iop.org
In this work, we demonstrate a simple and effective method to design and realize various
Weyl semimetal (WSM) states in a three-dimensional periodic circuit lattice composed of …

Topological phase transitions in multicomponent superconductors

Y Wang, L Fu - Physical review letters, 2017 - APS
We study the phase transition between a trivial and a time-reversal-invariant topological
superconductor in a single-band system. By analyzing the interplay of symmetry, topology …

Nematic skyrmions in odd-parity superconductors

AA Zyuzin, J Garaud, E Babaev - Physical review letters, 2017 - APS
We study topological excitations in two-component nematic superconductors, with a
particular focus on Cu x Bi 2 Se 3 as a candidate material. We find that the lowest-energy …

Superconductivity-induced ferromagnetism and Weyl superconductivity in Nb-doped

NFQ Yuan, WY He, KT Law - Physical Review B, 2017 - APS
A recent experiment on Nb-doped Bi 2 Se 3 showed that zero field magnetization appears
below the superconducting transition temperature. This gives evidence that the …

Time-reversal symmetry breaking in topological superconductor

P Neha, PK Biswas, T Das, S Patnaik - Physical Review Materials, 2019 - APS
The single helical Fermi surface on the surface state of three-dimensional topological
insulator Bi 2 Se 3 is constrained by the time-reversal invariant bulk topology to possess a …

Nematic and chiral superconductivity induced by odd-parity fluctuations

F Wu, I Martin - Physical Review B, 2017 - APS
Recent experiments indicate that superconductivity in Bi 2 Se 3 intercalated with Cu, Nb, or
Sr is nematic with rotational symmetry breaking. Motivated by this observation, we present a …

Conductance Spectroscopy of Exfoliated Thin Flakes of NbxBi2Se3

C Kurter, ADK Finck, ED Huemiller, J Medvedeva… - Nano …, 2018 - ACS Publications
We study unconventional superconductivity in exfoliated single crystals of a promising three-
dimensional (3D) topological superconductor candidate, Nb-doped Bi2Se3 through …

Evolution of magnetic Dirac bosons in a honeycomb lattice

D Boyko, AV Balatsky, JT Haraldsen - Physical Review B, 2018 - APS
We examine the presence and evolution of magnetic Dirac nodes in the Heisenberg
honeycomb lattice. Using linear spin theory, we evaluate the collinear phase diagram as …