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Random matrices and entanglement entropy of trapped Fermi gases by Calabrese, Pasquale; Doussal, Pierre Le; Majumdar, Satya N. is a scholarly article available to read on EtoBox.

What is Random matrices and entanglement entropy of trapped Fermi gases about?

We exploit and clarify the use of random matrix theory for the calculation of the entanglement entropy of free Fermi gases. We apply this method to obtain analytic predictions for Renyi entanglement entropies of a one-dimensional gas trapped by a harmonic potential in all the relevant scaling regimes. We confirm our findings with accurate numerical calculations obtained by means of an ingenious discretisation of the reduced correlation matrix.

Author

Calabrese, Pasquale; Doussal, Pierre Le; Majumdar, Satya N.

Published

2014

Language

EN