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5 papers · 2 filters
Probing Confinement Through Dynamical Quantum Phase Transitions: From Quantum Spin Models to Lattice Gauge Theories
Jesse Osborne, Ian P. McCulloch, Jad C. Halimeh
Confinement is an intriguing phenomenon prevalent in condensed matter and high-energy physics. Exploring its effect on the far-from-equilibrium criticality of quantum many-body sys…
On quantum melting of superfluid vortex crystals: from Lifshitz scalar to dual gravity
Dung Xuan Nguyen, Sergej Moroz
Despite a long history of studies of vortex crystals in rotating superfluids, their melting due to quantum fluctuations is poorly understood. Here we develop a fracton-elasticity d…
Super-Tonks-Girardeau Quench in the Extended Bose-Hubbard Model
Maciej Marciniak, Maciej Łebek, Jakub Kopyciński +3
We investigate the effect of a quench from a one-dimensional gas with strong and repulsive local interactions to a strongly attractive one, known as the super-Tonks-Girardeau effec…
Propagation properties and stability of dark solitons in weakly interacting Bose-Bose droplets
Jakub Kopyciński, Buğra Tüzemen, Wojciech Górecki +2
We investigate dark solitons in two-component Bose systems with competing interactions in one dimension. Such a system hosts a liquid phase stabilized by the beyond-mean field corr…
Quantum Monte Carlo-based density functional for one-dimensional Bose-Bose mixtures
Jakub Kopyciński, Luca Parisi, Nick G. Parker +1
We propose and benchmark a Gross-Pitaevskii-like equation for two-component Bose mixtures with competing interactions in 1D. Our approach follows the density-functional theory with…