Hardcore-boson matter reproduces the fermionic U(1) quantum link model phase diagram in the confined regime, with extra boson-specific ordering near the transition.
Nematic Confined Phases in the $U(1)$ Quantum Link Model on a Triangular Lattice: An Opportunity for Near-Term Quantum Computations of String Dynamics on a Chip
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abstract
The $U(1)$ quantum link model on the triangular lattice has two rotation-symmetry-breaking nematic confined phases. Static external charges are connected by confining strings consisting of individual strands with fractionalized electric flux. The two phases are separated by a weak first order phase transition with an emergent almost exact $SO(2)$ symmetry. We construct a quantum circuit on a chip to facilitate near-term quantum computations of the non-trivial string dynamics.
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Bosonic vs. Fermionic Matter in Quantum Simulations of $2+1$D Gauge Theories
Hardcore-boson matter reproduces the fermionic U(1) quantum link model phase diagram in the confined regime, with extra boson-specific ordering near the transition.