Search Results - "Del Maestro, A."

Particle partition entanglement of bosonic Luttinger liquids by Herdman, C. M., Del Maestro, A.

“…We consider the Renyi entanglement entropy of bosonic Tomonaga-Luttinger liquids under a particle bipartition and demonstrate that the leading order…”
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Local superfluidity at the nanoscale by Kulchytskyy, B., Gervais, G., Del Maestro, A.

“…Motivated by the search for an experimentally realizable high density and strongly interacting one-dimensional quantum liquid, we have performed quantum Monte…”
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Particle entanglement in continuum many-body systems via quantum Monte Carlo by Herdman, C. M., Roy, P.-N., Melko, R. G., Del Maestro, A.

“…Entanglement of spatial bipartitions, used to explore lattice models in condensed matter physics, may be insufficient to fully describe itinerant quantum…”
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Entanglement area law in superfluid 4He by Herdman, C. M., Roy, P.-N., Melko, R. G., Maestro, A. Del

“…When the entropy of a system scales as a function of its surface area, rather than its volume, it is said to obey an entropy area law. Now, an area law is…”
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Evidence for gapped spin-wave excitations in the frustrated Gd2Sn2O7 pyrochlore antiferromagnet from low-temperature specific heat measurements by Quilliam, J A, Ross, K A, Del Maestro, A G, Gingras, M J P, Corruccini, L R, Kycia, J B

“…We have measured the low-temperature specific heat of the geometrically frustrated pyrochlore Heisenberg antiferromagnet Gd2Sn2O7 in zero magnetic field. The…”
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Quasi-One-Dimensional Electronic States Inside and Outside Helium-Plated Carbon Nanotubes by Motta, M., Galli, D. E., Liebrecht, M., Del Maestro, A., Cole, M. W.

“…About one-half a century ago, it was realized that electrons experience a repulsive barrier when approaching the surface of condensed phases of helium,…”
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Path-integral Monte Carlo method for Rényi entanglement entropies by Herdman, C M, Inglis, Stephen, Roy, P-N, Melko, R G, Del Maestro, A

“…We introduce a quantum Monte Carlo algorithm to measure the Rényi entanglement entropies in systems of interacting bosons in the continuum. This approach is…”
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Striped supersolid phase and the search for deconfined quantum criticality in hard-core bosons on the triangular lattice by Melko, R. G., Del Maestro, A., Burkov, A. A.

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Local Superfluidity at the Nanoscale by Kulchytskyy, B, Gervais, G, Del Maestro, A

“…Physical Review B 88, 064512 (2013) We have performed quantum Monte Carlo simulations measuring the finite size and temperature superfluid response of helium-4…”
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Particle partition entanglement of bosonic Luttinger liquids by Herdman, C. M, Del Maestro, A

“…Phys. Rev. B 91, 184507 (2015) We consider the R\'{e}nyi entanglement entropy of bosonic Luttinger liquids under a particle bipartition and demonstrate that…”
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Spatial entanglement entropy in the ground state of the Lieb-Liniger model by Herdman, C. M, Roy, P. -N, Melko, R. G, Del Maestro, A

“…Phys. Rev. B 94, 064524 (2016) We consider the entanglement between two spatial subregions in the Lieb-Liniger model of bosons in one spatial dimension…”
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Entangling qubit registers via many-body states of ultracold atoms by Melko, R. G, Herdman, C. M, Iouchtchenko, D, Roy, P. -N, Del Maestro, A

“…Phys. Rev. A 93, 042336 (2016) Inspired by the experimental measurement of the Renyi entanglement entropy in a lattice of ultracold atoms by Islam et al.,…”
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Critical Flow and Dissipation in a Quasi-One-Dimensional Superfluid by Duc, P-F, Savard, M, Petrescu, M, Rosenow, B, Del Maestro, A, Gervais, G

“…Science Advances 1, e1400222 (2015) In one of the most celebrated examples of the theory of universal critical phenomena, the phase transition to the…”
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Quantum Monte Carlo measurement of the chemical potential of helium-4 by Herdman, C. M, Rommal, A, Del Maestro, A

“…Phys. Rev. B 89, 224502 (2014) A path integral Monte Carlo method based on the worm algorithm has been developed to compute the chemical potential of…”
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A path integral Monte Carlo method for R\'{e}nyi entanglement entropies by Herdman, C. M, Inglis, Stephen, Roy, P. -N, Melko, R. G, Del Maestro, A

“…Phys. Rev. E 90, 013308 (2014) We introduce a quantum Monte Carlo algorithm to measure the R\'enyi entanglement entropies in systems of interacting bosons in…”
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Particle entanglement in continuum many-body systems via quantum Monte Carlo by Herdman, C. M, Roy, P. -N, Melko, R. G, Del Maestro, A

“…Phys. Rev. B 89, 140501 (2014) Entanglement of spatial bipartitions, used to explore lattice models in condensed matter physics, may be insufficient to fully…”
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Calculation of the Expected Zero Field Muon Relaxation Rate in the Geometrically Frustrated Rare Earth Pyrochlore Gd2Sn2O7 Antiferromagnet by McClarty, P. A, Cosman, J. N, Del Maestro, A. G, Gingras, M. J. P

“…J. Phys.: Condens. Matter 23, 164216 (2011) The magnetic insulator Gd2Sn2O7 is one of many geometrically frustrated magnetic materials known to exhibit a…”
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Efficient simulations of Hartree--Fock equations by an accelerated gradient descent method by Ohno, Y, Del Maestro, A, Lakoba, T. I

“…We develop convergence acceleration procedures that enable a gradient descent-type iteration method to efficiently simulate Hartree--Fock equations for atoms…”
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Site Dilution in the Half-Filled One-Band Hubbard Model: Ring Exchange, Charge Fluctuations and Application to La2Cu_{1-x}(Mg/Zn)_xO4 by Delannoy, J. -Y. P, Del Maestro, A. G, Gingras, M. J. P, Holdsworth, P. C. W

“…Phys. Rev. B 79, 224414 (2009) We study the ground state quantum spin fluctuations around the N\'eel ordered state for the one-band ($t,U$) Hubbard model on a…”
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Evidence for gapped spin-wave excitations in the frustrated Gd2Sn2O7 pyrochlore antiferromagnet from low-temperature specific heat measurements by Quilliam, J. A, Ross, K. A, Del Maestro, A. G, Gingras, M. J. P, Corruccini, L. R, Kycia, J. B

“…Phys. Rev. Lett. 99, 097201 (2007) We have measured the low-temperature specific heat of the geometrically frustrated pyrochlore Heisenberg antiferromagnet…”
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