Universal computation by multiparticle quantum walk
A quantum walk is a time-homogeneous quantum-mechanical process on a graph defined
by analogy to classical random walk. The quantum walker is a particle that moves from a …
by analogy to classical random walk. The quantum walker is a particle that moves from a …
Two-body physics in the Su-Schrieffer-Heeger model
We consider two interacting bosons in a dimerized Su-Schrieffer-Heeger (SSH) lattice. We
identify a rich variety of two-body states. In particular, for open boundary conditions and …
identify a rich variety of two-body states. In particular, for open boundary conditions and …
Synthetic gauge theories based on parametric excitations of trapped ions
Resource efficient schemes for the quantum simulation of lattice gauge theories can benefit
from hybrid encodings of gauge and matter fields that use the native degrees of freedom …
from hybrid encodings of gauge and matter fields that use the native degrees of freedom …
Interaction-induced analog of a non-Hermitian skin effect in a lattice two-body problem
We present a theoretical study of the quantum states of two repelling spinless particles in a
one-dimensional tight-binding model with a simple periodic lattice and open boundary …
one-dimensional tight-binding model with a simple periodic lattice and open boundary …
Bosonic orbital Su-Schrieffer-Heeger model in a lattice of rings
We study the topological properties of interacting and noninteracting bosons loaded in the
orbital angular momentum states l= 1 in a lattice of rings with alternating distances. At the …
orbital angular momentum states l= 1 in a lattice of rings with alternating distances. At the …
Observation of pair tunneling and coherent destruction of tunneling in arrays of optical waveguides
We report on the experimental realization of a photonic system that simulates the one-
dimensional two-particle Hubbard model. This analogy is realized by means of two …
dimensional two-particle Hubbard model. This analogy is realized by means of two …
Arbitrary synthetic dimensions via multiboson dynamics on a one-dimensional lattice
The synthetic dimension, a research topic of both fundamental significance and practical
applications, has been attracting increasing attention in recent years. In this paper, we …
applications, has been attracting increasing attention in recent years. In this paper, we …
Out-of-equilibrium states and quasi-many-body localization in polar lattice gases
The absence of energy dissipation leads to an intriguing out-of-equilibrium dynamics for
ultracold polar gases in optical lattices, characterized by the formation of dynamically bound …
ultracold polar gases in optical lattices, characterized by the formation of dynamically bound …
Exact edge, bulk, and bound states of finite topological systems
Finite topologically nontrivial systems are characterized, among many other unique
properties, by the presence of bound states at their physical edges. These topological edge …
properties, by the presence of bound states at their physical edges. These topological edge …
Two-body bound and edge states in the extended SSH Bose-Hubbard model
We study the bosonic two-body problem in a Su-Schrieffer-Heeger dimerized chain with on-
site and nearest-neighbor interactions. We find two classes of bound states. The first, similar …
site and nearest-neighbor interactions. We find two classes of bound states. The first, similar …