@article{76176,
author = {Eugenio Bianchi and Matteo Smerlak},
title = {{Entanglement entropy and negative energy in two dimensions}},
doi = {10.1103/PhysRevD.90.041904},
journal = {Physical review / D},
pages = {041904},
year = {2014},
volume = {90},
number = {4},
issn = {1550-7998},
}