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Optimal control for unitary preparation of many-body states: application to Luttinger liquids
Optimal control unitary preparation of many-body states Luttinger liquids
2010/11/22
Many-body ground states of local Hamiltonians can be prepared via unitary evolution in cold atomic systems.Given the initial state and a fixed time for the evolution, how close can we get to a desired...
Entanglement entropy between two coupled Tomonaga-Luttinger liquids
Entanglement entropy coupled Tomonaga-Luttinger liquids
2010/10/27
We consider a system of two coupled Tomonaga-Luttinger liquids (TLL) on parallel chains and
study the R´enyi entanglement entropy Sn between the two chains. The limit n ! 1 corresponds
to the ...