paper

Quantum Alchemy and Universal Orthogonality Catastrophe in One-Dimensional Anyons

arXiv:2210.10776 · doi:10.22331/q-2023-12-20-1211

Abstract

Many-particle quantum systems with intermediate anyonic exchange statistics are supported in one spatial dimension. In this context, the anyon-anyon mapping is recast as a continuous transformation that generates shifts of the statistical parameter . We characterize the geometry of quantum states associated with different values of , i.e., different quantum statistics. While states in the bosonic and fermionic subspaces are always orthogonal, overlaps between anyonic states are generally finite and exhibit a universal form of the orthogonality catastrophe governed by a fundamental statistical factor, independent of the microscopic Hamiltonian. We characterize this decay using quantum speed limits on the flow of , illustrate our results with a model of hard-core anyons, and discuss possible experiments in quantum simulation.

Accepted for publication in Quantum

References in corpus (16)

Cited by in corpus (3)