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5 papers · 2 filters
Many-body localization in the Fock space of natural orbitals
Wouter Buijsman, Vladimir Gritsev, Vadim Cheianov
We study the eigenstates of a paradigmatic model of many-body localization in the Fock basis constructed out of the natural orbitals. By numerically studying the participation rati…
Anderson localization in generalized discrete time quantum walks
I. Vakulchyk, M. V. Fistul, P. Qin +1
We study Anderson localization in a generalized discrete time quantum walk - a unitary map related to a Floquet driven quantum lattice. It is controlled by a quantum coin matrix wh…
Finite temperature disordered bosons in two dimensions
G. Bertoli, V. P. Michal, B. L. Altshuler +1
We study phase transitions in a two dimensional weakly interacting Bose gas in a random potential at finite temperatures. We identify superfluid, normal fluid, and insulator phases…
Duality in power-law localization in disordered one-dimensional systems
X. Deng, V. E. Kravtsov, G. V. Shlyapnikov +1
The transport of excitations between pinned particles in many physical systems may be mapped to single-particle models with power-law hopping, . For randomly spaced particle…
Rabi noise spectroscopy of individual two-level tunneling defects
Shlomi Matityahu, Jürgen Lisenfeld, Alexander Bilmes +4
Understanding the nature of two-level tunneling defects is important for minimizing their disruptive effects in various nano-devices. By exploiting the resonant coupling of these d…