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Robust Entanglement in Anti-ferromagnetic Heisenberg Chains by Single-spin Optimal Control
Xiaoting Wang, Abolfazl Bayat, Sophie G Schirmer +1
We demonstrate how near-perfect entanglement (in fact arbitrarily close to maximal entanglement) can be generated between the end spins of an anti-ferromagnetic isotropic Heisenber…
Teleportation between distant qudits via scattering of mobile qubits
Francesco Ciccarello, Sougato Bose, Michelangelo Zarcone
We consider a one-dimensional (1D) structure where non-interacting spin- scattering centers, such as quantum impurities or multi-level atoms, are embedded at given positions. We…
Long Range Free Bosonic Models in Block Decimation Notation: Applications and Entanglement
Jose Reslen, Sougato Bose
We study the effect of long range particle exchange in bosonic arrangements. We show that by combining the solution of the Heisenberg equations of motion with matrix product state…
Cavity-assisted energy relaxation for quantum many-body simulations
Jaeyoon Cho, Sougato Bose, M. S. Kim
We propose an energy relaxation mechanism whereby strongly correlated spin systems decay into their ground states. The relaxation is driven by cavity quantum electrodynamics intera…
Qubit Mediated Time Robust Entangling of Oscillators in Thermal Environments
Tommaso Tufarelli, M. S. Kim, Sougato Bose
We consider two separated oscillators initially in equilibrium and continuously interacting with thermal environments, and propose a way to entangle them using a mediating qubit. A…
Extraction of Pure Entangled States from Many Body Systems by Distant Local Projections
J. Molina-Vilaplana, H. Wichterich, V. E. Korepin +1
We study the feasibility of extracting a pure entangled state of non-complementary, and potentially well separated, regions of a quantum many-body system. It is shown that this can…