Lucas Hackl

Towards spacetime entanglement entropy for interacting theories

Y Chen, L Hackl, R Kunjwal, H Moradi, YK Yazdi, M Zilhão

Journal article  |  2020  |  Journal of High Energy Physics

Abstract Entanglement entropy of quantum fields in gravitational settings is a topic of growing importance. This entropy of entang..

Geometry of variational methods: dynamics of closed quantum systems

Lucas Hackl, Tommaso Guaita, Tao Shi, Jutho Haegeman, Eugene Demler, J Ignacio Cirac

Journal article  |  2020  |  SciPost Physics

Entanglement production in the dynamical Casimir effect at parametric resonance

Ivan Romualdo, Lucas Hackl, Nelson Yokomizo

Journal article  |  2019  |  Physical Review D

Gaussian time-dependent variational principle for the Bose-Hubbard model

Tommaso Guaita, Lucas Hack, Tao Shi, Claudius Hubig, Eugene Demler, J Ignacio Cirac

Journal article  |  2019  |  Physical Review B

Minimal energy cost of entanglement extraction

Lucas Hackl, Robert H Jonsson

Journal article  |  2019  |  Quantum

We compute the minimal energy cost for extracting entanglement from the ground state of a bosonic or fermionic quadratic system. S..

Complexity and entanglement for thermofield double states

Shira Chapman, Jens Eisert, Lucas Hackl, Michal R Heller, Ro Jefferson, Hugo Marrochio, Robert C Myers

Journal article  |  2019  |  SciPost Physics

Motivated by holographic complexity proposals as novel probes of black hole spacetimes, we explore circuit complexity for thermofi..

Average eigenstate entanglement entropy of the XY chain in a transverse field and its universality for translationally invariant quadratic fermionic models

Lucas Hackl, Lev Vidmar, Marcos Rigol, Eugenio Bianchi

Journal article  |  2019  |  Physical Review B

Volume Law and Quantum Criticality in the Entanglement Entropy of Excited Eigenstates of the Quantum Ising Model

Lev Vidmar, Lucas Hackl, Eugenio Bianchi, Marcos Rigol

Journal article  |  2018  |  Physical Review Letters

Much has been learned about universal properties of entanglement entropies in ground states of quantum many-body lattice systems. ..

Circuit complexity for free fermions

Lucas Hackl, Robert C Myers

Journal article  |  2018  |  Journal of High Energy Physics

Entanglement production in bosonic systems: Linear and logarithmic growth

Lucas Hackl, Eugenio Bianchi, Ranjan Modak, Marcos Rigol

Journal article  |  2018  |  Physical Review A