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- Joseph Maciejko, Chaoxing Liu, Yuval Oreg, Xiao-Liang Qi, Congjun Wu, Shou-Cheng Zhang
- Physical review letters
- 2009

Following the recent observation of the quantum spin Hall (QSH) effect in HgTe quantum wells, an important issue is to understand the effect of impurities on transport in the QSH regime. Using linear response and renormalization group methods, we calculate the edge conductance of a QSH insulator as a function of temperature in the presence of a magnetic… (More)

- Andreas Roth, Christoph Brüne, +4 authors Shou-Cheng Zhang
- Science
- 2009

Nonlocal transport through edge channels holds great promise for low-power information processing. However, edge channels have so far only been demonstrated to occur in the quantum Hall regime, at high magnetic fields. We found that mercury telluride quantum wells in the quantum spin Hall regime exhibit nonlocal edge channel transport at zero external… (More)

- Joseph Maciejko, Xiao-Liang Qi, H Dennis Drew, Shou-Cheng Zhang
- Physical review letters
- 2010

Fundamental topological phenomena in condensed matter physics are associated with a quantized electromagnetic response in units of fundamental constants. Recently, it has been predicted theoretically that the time-reversal invariant topological insulator in three dimensions exhibits a topological magnetoelectric effect quantized in units of the fine… (More)

- Joseph Maciejko, Victor Chua, Gregory A Fiete
- Physical review letters
- 2014

Motivated by experimental progress in the growth of heavy transition metal oxides, we theoretically study a class of lattice models of interacting fermions with strong spin-orbit coupling. Focusing on interactions of intermediate strength, we derive a low-energy effective field theory for a fully gapped, topologically ordered, fractionalized state with an… (More)

- Joseph Maciejko, Xiao-Liang Qi, Andreas Karch, Shou-Cheng Zhang
- Physical review letters
- 2010

Topological insulators can be generally defined by a topological field theory with an axion angle θ of 0 or π. In this work, we introduce the concept of fractional topological insulator defined by a fractional axion angle and show that it can be consistent with time reversal T invariance if ground state degeneracies are present. The fractional axion angle… (More)

- Rex Lundgren, Joseph Maciejko
- Physical review letters
- 2015

We construct a phenomenological Landau theory for the two-dimensional helical Fermi liquid found on the surface of a three-dimensional time-reversal invariant topological insulator. In the presence of rotation symmetry, interactions between quasiparticles are described by ten independent Landau parameters per angular momentum channel, by contrast with the… (More)

- William Witczak-Krempa, Joseph Maciejko
- Physical review letters
- 2016

This corrects the article DOI: 10.1103/PhysRevLett.116.100402.

- William Witczak-Krempa, Joseph Maciejko
- Physical review letters
- 2016

Topological states of electrons present new avenues to explore the rich phenomenology of correlated quantum matter. Topological insulators (TIs) in particular offer an experimental setting to study novel quantum critical points (QCPs) of massless Dirac fermions, which exist on the sample's surface. Here, we obtain exact results for the zero- and… (More)

- Andreas Roth, Christoph Brüne, +4 authors Shou-Cheng Zhang
- 2009

We present direct experimental evidence for nonlocal transport in HgTe quantum wells in the quantum spin Hall regime, in the absence of any external magnetic field. The data conclusively show that the non-dissipative quantum transport occurs through edge channels, while the contacts lead to equilibration between the counter-propagating spin states at the… (More)

- Shao-Kai Jian, Chien-Hung Lin, Joseph Maciejko, Hong Yao
- Physical review letters
- 2017

Supersymmetric (SUSY) gauge theories such as the minimal supersymmetric standard model play a fundamental role in modern particle physics, but have not been verified so far in nature. Here, we show that a SUSY gauge theory with dynamical gauge bosons and fermionic gauginos emerges naturally at the pair-density-wave (PDW) quantum phase transition on the… (More)