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Topological insulators and superconductors

- X. Qi, Shou-Cheng Zhang
- Physics
- 12 August 2010

Topological insulators are new states of quantum matter which cannot be adiabatically connected to conventional insulators and semiconductors. They are characterized by a full insulating gap in the… Expand

Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface

- Haijun Zhang, C. Liu, X. Qi, X. Dai, Z. Fang, Shou-Cheng Zhang
- Physics
- 1 June 2009

Topological insulators are new states of quantum matter in which surface states residing in the bulk insulating gap of such systems are protected by time-reversal symmetry. The study of such states… Expand

Topological field theory of time-reversal invariant insulators

- X. Qi, T. Hughes, Shou-Cheng Zhang
- Physics
- 24 February 2008

We show that the fundamental time-reversal invariant (TRI) insulator exists in $4+1$ dimensions, where the effective-field theory is described by the $(4+1)$-dimensional Chern-Simons theory and the… Expand

Quantum Spin Hall Insulator State in HgTe Quantum Wells

- M. König, S. Wiedmann, +5 authors Shou-Cheng Zhang
- Chemistry, Medicine
- Science
- 2 October 2007

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Holographic duality from random tensor networks

- P. Hayden, Sepehr Nezami, X. Qi, Nathaniel Thomas, M. Walter, Zhao Yang
- Physics, Mathematics
- 7 January 2016

A bstractTensor networks provide a natural framework for exploring holographic duality because they obey entanglement area laws. They have been used to construct explicit toy models realizing many of… Expand

Experimental Realization of a Three-Dimensional Topological Insulator, Bi2Te3

- Y. L. Chen, J. Analytis, +11 authors Z. Shen
- Chemistry, Medicine
- Science
- 10 July 2009

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Eternal traversable wormhole

- J. Maldacena, X. Qi
- Physics
- 2 April 2018

We construct a nearly-$AdS_2$ solution describing an eternal traversable wormhole. The solution contains negative null energy generated by quantum fields under the influence of an external coupling… Expand

Model Hamiltonian for topological insulators

- C. Liu, X. Qi, Haijun Zhang, X. Dai, Z. Fang, Shou-Cheng Zhang
- Physics
- 10 May 2010

In this paper we give the full microscopic derivation of the model Hamiltonian for the three-dimensional topological insulators in the Bi(2)Se(3) family of materials (Bi(2)Se(3), Bi(2)Te(3) and… Expand

Chaos in quantum channels

- P. Hosur, X. Qi, Daniel A. Roberts, B. Yoshida
- Physics
- 12 November 2015

A bstractWe study chaos and scrambling in unitary channels by considering their entanglement properties as states. Using out-of-time-order correlation functions to diagnose chaos, we characterize the… Expand

Inducing a Magnetic Monopole with Topological Surface States

- X. Qi, Rundong Li, J. Zang, Shou-Cheng Zhang
- Physics, Medicine
- Science
- 27 February 2009

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