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Entangling qubit registers via many-body states of ultracold atoms
R. G. Melko, C. M. Herdman, D. Iouchtchenko +2
Inspired by the experimental measurement of the Renyi entanglement entropy in a lattice of ultracold atoms by Islam et al., [Nature 528, 77 (2015)] we propose a method to entangle…
A Large- Study of Quantum Kagome Ice
S. A. Owerre, A. A. Burkov, Roger G. Melko
We present a large- study of a quantum spin ice Hamiltonian, introduced by Huang, et al., [PRL 112, 167203 (2014)], on the kagome lattice. This model involves a competition betw…
Entanglement Entropy and Topological Order in Resonating Valence-Bond Quantum Spin Liquids
Julia Wildeboer, Alexander Seidel, Roger G. Melko
On the triangular and kagome lattices, short-ranged resonating valence bond (RVB) wave functions can be sampled without the sign problem using a recently-developed Pfaffian Monte C…
Spinon walk in quantum spin ice
Yuan Wan, Juan Carrasquilla, Roger G. Melko
We study a minimal model for the dynamics of spinons in quantum spin ice. The model captures the essential strong coupling between the spinon and the disordered background spins. W…
Unusual Corrections to Scaling and Convergence of Universal Renyi Properties at Quantum Critical Points
Sharmistha Sahoo, E. Miles Stoudenmire, Jean-Marie Stéphan +3
At a quantum critical point, bipartite entanglement entropies have universal quantities which are subleading to the ubiquitous area law. For Renyi entropies, these terms are known…
Fluctuating orders and quenched randomness in the cuprates
Laimei Nie, Lauren E. Hayward Sierens, Roger G. Melko +2
We study a quasi-2D classical Landau-Ginzburg-Wilson effective field theory in the presence of quenched disorder in which incommensurate charge-density wave and superconducting ord…