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H. Casini, M. Huerta and L. Leitao, “Entanglement entropy for a Dirac fermion in three dimensions: Vertex contribution,” Nucl. Phys. B 814
Original
1968
Earlier work this paper cites.
G. Vidal and R. F. Werner, “Computable measure of entanglement,” Phys. Rev. A 65
2002
Earlier work this paper cites.
R. Verch and R. F. Werner, “Distillability and positivity of partial transposes in general quantum field systems,” Rev. Math. Phys. 17
2005
Earlier work this paper cites.
S. Ryu and T. Takayanagi, “Holographic derivation of entanglement entropy from AdS/CFT,” Phys. Rev. Lett. 96
2006
Earlier work this paper cites.
S. Ryu and T. Takayanagi, “Aspects of Holographic Entanglement Entropy,” JHEP 0608
2006
Earlier work this paper cites.
H. Casini and M. Huerta, “Universal terms for the entanglement entropy in 2+1 dimensions,” Nucl. Phys. B 764
2007
Earlier work this paper cites.
T. Hirata and T. Takayanagi, “AdS/CFT and strong subadditivity of entanglement entropy,” JHEP 0702
2007
Earlier work this paper cites.
R. C. Myers and B. Robinson, “Black Holes in Quasi-topological Gravity,” JHEP 1008
Original
2010
Earlier work this paper cites.
L. Y. Hung, R. C. Myers, M. Smolkin and A. Yale, “Holographic Calculations of Renyi Entropy,” JHEP 1112
Original
2011
Earlier work this paper cites.
H. Casini, M. Huerta and R. C. Myers, “Towards a derivation of holographic entanglement entropy,” JHEP 1105
Original
2011
Earlier work this paper cites.

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2016

Kim, Keun-Young, Niu, Chao, Pang, Da-Wei

It has been realised that corners in entangling surfaces can induce new universal contributions to the entanglement entropy and R\'enyi entropy.

In this paper we study universal corner contributions to entanglement negativity in three- and four-dimensional CFTs using both field theory and holographic techniques.
We focus on the quantity $\chi$ defined by the ratio of the universal part of the entanglement negativity over that of the entanglement entropy, which may characterise the amount of distillable entanglement.
We find that for most of the examples $\chi$ takes bigger values for singular entangling regions, which may suggest increase in distillable entanglement.

H. Casini, M. Huerta and L. Leitao, “Entanglement entropy for a Dirac fermion in three dimensions: Vertex contribution,” Nucl. Phys. B 814
Original
1968
Earlier work this paper cites.
G. Vidal and R. F. Werner, “Computable measure of entanglement,” Phys. Rev. A 65
2002
Earlier work this paper cites.
R. Verch and R. F. Werner, “Distillability and positivity of partial transposes in general quantum field systems,” Rev. Math. Phys. 17
2005
Earlier work this paper cites.
S. Ryu and T. Takayanagi, “Holographic derivation of entanglement entropy from AdS/CFT,” Phys. Rev. Lett. 96
2006
Earlier work this paper cites.
S. Ryu and T. Takayanagi, “Aspects of Holographic Entanglement Entropy,” JHEP 0608
2006
Earlier work this paper cites.
H. Casini and M. Huerta, “Universal terms for the entanglement entropy in 2+1 dimensions,” Nucl. Phys. B 764
2007
Earlier work this paper cites.
T. Hirata and T. Takayanagi, “AdS/CFT and strong subadditivity of entanglement entropy,” JHEP 0702
2007
Earlier work this paper cites.
R. C. Myers and B. Robinson, “Black Holes in Quasi-topological Gravity,” JHEP 1008
Original
2010
Earlier work this paper cites.
L. Y. Hung, R. C. Myers, M. Smolkin and A. Yale, “Holographic Calculations of Renyi Entropy,” JHEP 1112
Original
2011
Earlier work this paper cites.
H. Casini, M. Huerta and R. C. Myers, “Towards a derivation of holographic entanglement entropy,” JHEP 1105
Original
2011
Earlier work this paper cites.