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An entropy perspective on the thermal crossover in a fermionic Hubbard chain
Lars Bonnes, Hannes Pichler, Andreas M. Läuchli
We study the Renyi entropy in the finite temperature crossover regime of a Hubbard chain using quantum Monte Carlo. The ground state entropy has characteristic features such as a l…
Heating dynamics of bosonic atoms in a noisy optical lattice
Hannes Pichler, Johannes Schachenmayer, Andrew J. Daley +1
We analyze the heating of interacting bosonic atoms in an optical lattice due to intensity fluctuations of the lasers forming the lattice. We focus in particular on fluctuations at…
Thermal vs. Entanglement Entropy: A Measurement Protocol for Fermionic Atoms with a Quantum Gas Microscope
Hannes Pichler, Lars Bonnes, Andrew J. Daley +2
We show how to measure the order-two Renyi entropy of many-body states of spinful fermionic atoms in an optical lattice in equilibrium and non-equilibrium situations. The proposed…