Few-body Bose gases in low dimensions—A laboratory for quantum dynamics
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …
which at the same time allows for applications in quantum technologies. The accelerating …
Field-theoretical aspects of one-dimensional Bose and Fermi gases with contact interactions
We investigate local quantum field theories for one-dimensional (1D) Bose and Fermi gases
with contact interactions, which are closely connected with each other by Girardeau's Bose …
with contact interactions, which are closely connected with each other by Girardeau's Bose …
Bosonic continuum theory of one-dimensional lattice anyons
Anyons with arbitrary exchange phases exist on 1D lattices in ultracold gases. Yet, known
continuum theories in 1D do not match. We derive the continuum limit of 1D lattice anyons …
continuum theories in 1D do not match. We derive the continuum limit of 1D lattice anyons …
Machine learning one-dimensional spinless trapped fermionic systems with neural-network quantum states
We compute the ground-state properties of fully polarized, trapped, one-dimensional
fermionic systems interacting through a Gaussian potential. We use an antisymmetric …
fermionic systems interacting through a Gaussian potential. We use an antisymmetric …
Universal duality transformations in interacting one-dimensional quantum systems
One-dimensional quantum systems admit duality relations that put hard-core spinless
bosons and fermions in one-to-one correspondence via Girardeau's map** theorem. The …
bosons and fermions in one-to-one correspondence via Girardeau's map** theorem. The …
Universality of quantum liquids and droplets in one dimension
We consider interacting one-dimensional bosons in the universal low-energy regime. The
interactions consist of a combination of attractive and repulsive parts that can stabilize …
interactions consist of a combination of attractive and repulsive parts that can stabilize …
Second-order optimization strategies for neural network quantum states
The Variational Monte Carlo (VMC) method has recently seen important advances through
the use of neural network quantum states. While more and more sophisticated ansatze have …
the use of neural network quantum states. While more and more sophisticated ansatze have …
Cooper triples in attractive three-component fermions: Implication for hadron-quark crossover
We investigate many-body properties of equally populated three-component fermions with
attractive three-body contact interaction in one dimension. A diagrammatic approach …
attractive three-body contact interaction in one dimension. A diagrammatic approach …
Dynamical fermionization in one-dimensional spinor quantum gases
Dynamical fermionization refers to the phenomenon in Tonks-Girardeau gases where, upon
release from harmonic confinement, the gases' momentum density profile evolves …
release from harmonic confinement, the gases' momentum density profile evolves …
Stability against three-body clustering in one-dimensional spinless -wave fermions
We theoretically investigate in-medium two-and three-body correlations in one-dimensional
spinless fermions with attractive two-body p-wave interaction. By investigating the variational …
spinless fermions with attractive two-body p-wave interaction. By investigating the variational …