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- Chushun Tian, Alexander Altland, Markus Garst
- Physical review letters
- 2011

We present the first microscopic theory of transport in quasiperiodically driven environments ("kicked rotors"), as realized in recent atom optic experiments. We find that the behavior of these systems depends sensitively on the value of a dimensionless Planck constant h: for irrational values of h/(4π) they fall into the universality class of disordered… (More)

- Alexander Altland, Alex Kamenev, Chushun Tian
- Physical review letters
- 2005

We study Anderson localization in quasi-one-dimensional disordered wires within the framework of the replica sigma model. Applying a semiclassical approach (geodesic action plus Gaussian fluctuations) recently introduced within the context of supersymmetry by Lamacraft, Simons, and Zirnbauer, we compute the exact density of transmission matrix eigenvalues… (More)

- Zheng lun Zhu, Hong-chen Jiang, Yang Qi, Chushun Tian, Zheng-Yu Weng
- Scientific reports
- 2013

The fate of a hole injected in an antiferromagnet is an outstanding issue of strongly correlated physics. It provides important insights into doped Mott insulators closely related to high-temperature superconductivity. Here, we report a systematic numerical study of t-J ladder systems based on the density matrix renormalization group. It reveals a… (More)

- Piet W. Brouwer, Saar Rahav, Chushun Tian
- Physical review. E, Statistical, nonlinear, and…
- 2006

We calculate the Ehrenfest-time dependence of the leading quantum correction to the spectral form factor of a ballistic chaotic cavity using periodic orbit theory. For the case of broken time-reversal symmetry, when the quantum correction to the form factor involves two small-angle encounters of classical trajectories, our result differs from that… (More)

- Matthieu Davy, Zhou Shi, Jongchul Park, Chushun Tian, Azriel Z Genack
- Nature communications
- 2015

As the desire to explore opaque materials is ordinarily frustrated by multiple scattering of waves, attention has focused on the transmission matrix of the wave field. This matrix gives the fullest account of transmission and conductance and enables the control of the transmitted flux; however, it cannot address the fundamental issue of the spatial profile… (More)

- Alexander Altland, Piet W. Brouwer, Chushun Tian
- Physical review letters
- 2007

Quantum interference corrections in ballistic conductors require a minimal time: the Ehrenfest time. In this Letter, we investigate the fate of the interference corrections to quantum transport in bulk ballistic conductors if the Ehrenfest time and the dephasing time are comparable.

- Chushun Tian, Liyi Zhao, Xiaojun Cheng, Yury P. Bliokh, V. Freilikher, Azriei Z. Genack
- 2016 URSI International Symposium on…
- 2016

We show both analytically and numerically that in quasi-one-dimensional (1D) diffusive samples the distribution of transmission eigenvalue (DTE) displays a phase transition as the asymmetry in the reflections of the sample edges increases. We also show numerically in 1D localized samples a similar transition, but in the distribution of resonant… (More)

- Yu Chen, Chushun Tian
- Physical review letters
- 2014

We find in a canonical chaotic system, the kicked spin-1/2 rotor, a Planck's quantum(he)-driven phenomenon bearing a close analogy to the integer quantum Hall effect but of chaos origin. Specifically, the rotor's energy growth is unbounded ("metallic" phase) for a discrete set of critical values of he, but otherwise bounded ("insulating" phase). The latter… (More)

- Chushun Tian
- Physical review letters
- 2009

High-frequency transport in perfect periodic dielectric cylinder arrays is studied. We analytically calculate the diffusive-ballistic transport crossover, which displays the competition between weak localization and ballistic transport.

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