301 citations · 1.8k across the 39 of their papers we have counts for
39 papers
Winding Number Statistics of a Parametric Chiral Unitary Random Matrix Ensemble
Petr Braun, Nico Hahn, Daniel Waltner +2
The winding number is a concept in complex analysis which has, in the presence of chiral symmetry, a physics interpretation as the topological index belonging to gapped phases of f…
A Mapping between the Spin and Fermion Algebra
Felix Meier, Daniel Waltner, Petr Braun +1
We derive a formalism to express the spin algebra in a spin representation in terms of the algebra of fermionic operators that obey the Canonical Anti-co…
Localization in the Kicked Ising Chain
Daniel Waltner, Petr Braun
Determining the border between ergodic and localized behavior is of central interest for interacting many-body systems. We consider here the recently very popular spin-chain model…
Exact local correlations in kicked chains at light cone edges
Boris Gutkin, Petr Braun, Maram Akila +2
We show that local correlators in a wide class of kicked chains can be calculated exactly at light cone edges. Extending previous works on dual-unitary systems, the correlators bet…
Local correlations in dual-unitary kicked chains
Boris Gutkin, Petr Braun, Maram Akila +2
We show that for dual-unitary kicked chains, built upon a pair of complex Hadamard matrices, correlators of strictly local, traceless operators vanish identically for sufficiently…
Transition from Quantum Chaos to Localization in Spin Chains
Petr Braun, Daniel Waltner, Maram Akila +2
Recent years have seen an increasing interest in quantum chaos and related aspects of spatially extended systems, such as spin chains. However, the results are strongly system depe…