Finite-temperature entanglement negativity of free fermions
Finite-temperature entanglement negativity of free fermions
The entanglement entropy of free fermions with a Fermi surface is known to obey a logarithmic scaling and violate the area law in all dimensions.Here, we would like to see how temperature affects the logarithmic scaling behavior.To this end, we compute the entanglement negativity of free fermions using the fermionic …