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Enhanced compressibility due to repulsive interaction in the Harper model
Yaacov E. Kraus, Oded Zilberberg, Richard Berkovits
We study the interplay between repulsive interaction and an almost staggered on-site potential in one-dimension. Specifically, we address the Harper model for spinless fermions wit…
Hanbury Brown and Twiss Correlations in Quantum Hall Systems
Gabriele Campagnano, Oded Zilberberg, Igor V. Gornyi +1
We study a Hanbury Brown and Twiss (HBT) interferometer formed with chiral edge channels of a quantum Hall system. HBT cross-correlations are calculated for a device operating both…
Comment on "Topological equivalence of crystal and quasicrystal band structures"
Yaacov E. Kraus, Zohar Ringel, Oded Zilberberg
Madsen et al. [arXiv:1307.2577] claim that one-dimensional insulating crystals and one-dimensional insulating quasicrystals are topologically equivalent and, thus, trivial. In this…
Standard and Null Weak Values
Oded Zilberberg, Alessandro Romito, Yuval Gefen
Weak value (WV) is a quantum mechanical measurement protocol, proposed by Aharonov, Albert, and Vaidman. It consists of a weak measurement, which is weighed in, conditional on the…
Null weak values in multi-level systems
Oded Zilberberg, Alessandro Romito, Yuval Gefen
A two-step measurement protocol of a quantum system, known as weak value (WV), has been introduced more than two decades ago by Aharonov et al. [1], and has since been studied in v…
Four-Dimensional Quantum Hall Effect in a Two-Dimensional Quasicrystal
Yaacov E. Kraus, Zohar Ringel, Oded Zilberberg
One-dimensional (1D) quasicrystals exhibit physical phenomena associated with the 2D integer quantum Hall effect. Here, we transcend dimensions and show that a previously inaccessi…