Phase transitions of bipartite entanglement
We analyze the statistical properties of the entanglement of a large bipartite quantum
system. By framing the problem in terms of random matrices and a fictitious temperature, we …
system. By framing the problem in terms of random matrices and a fictitious temperature, we …
Entropy-driven phase transitions of entanglement
We study the behavior of bipartite entanglement at fixed von Neumann entropy. We look at
the distribution of the entanglement spectrum, that is, the eigenvalues of the reduced density …
the distribution of the entanglement spectrum, that is, the eigenvalues of the reduced density …
Divergence of the entanglement range in low-dimensional quantum systems
We study the pairwise entanglement close to separable ground states of a class of one-
dimensional quantum spin models. At T= 0 we find that such ground states separate regions …
dimensional quantum spin models. At T= 0 we find that such ground states separate regions …
Phase transitions and metastability in the distribution of the bipartite entanglement of a large quantum system
We study the distribution of the Schmidt coefficients of the reduced density matrix of a
quantum system in a pure state. By applying general methods of statistical mechanics, we …
quantum system in a pure state. By applying general methods of statistical mechanics, we …
Equilibrium entanglement vanishes at finite temperature
Equilibrium entanglement vanishes at finite temperature Page 1 Equilibrium entanglement
vanishes at finite temperature BV Fine,1,2 F. Mintert,1 and A. Buchleitner1 1Max Planck Institute …
vanishes at finite temperature BV Fine,1,2 F. Mintert,1 and A. Buchleitner1 1Max Planck Institute …
Statistical distribution of quantum entanglement for a random bipartite state
C Nadal, SN Majumdar, M Vergassola - Journal of Statistical Physics, 2011 - Springer
We compute analytically the statistics of the Renyi and von Neumann entropies (standard
measures of entanglement), for a random pure state in a large bipartite quantum system …
measures of entanglement), for a random pure state in a large bipartite quantum system …
Genuine multipartite entanglement in the model
SM Giampaolo, BC Hiesmayr - Physical Review A—Atomic, Molecular, and …, 2013 - APS
We analyze the XY model characterized by an anisotropy γ in an external magnetic field, h,
with respect to its genuine multipartite entanglement content (in the thermodynamic and …
with respect to its genuine multipartite entanglement content (in the thermodynamic and …
Classical statistical mechanics approach to multipartite entanglement
We characterize the multipartite entanglement of a system of n qubits in terms of the
distribution function of the bipartite purity over balanced bipartitions. We search for …
distribution function of the bipartite purity over balanced bipartitions. We search for …
Long-range multipartite entanglement close to a first-order quantum phase transition
We provide insight into the quantum correlations structure present in strongly correlated
systems beyond the standard framework of bipartite entanglement. To this aim we first …
systems beyond the standard framework of bipartite entanglement. To this aim we first …
Quantification and scaling of multipartite entanglement in continuous variable systems
G Adesso, A Serafini, F Illuminati - Physical review letters, 2004 - APS
We present a theoretical method to determine the multipartite entanglement between
different partitions of multimode, fully or partially symmetric Gaussian states of continuous …
different partitions of multimode, fully or partially symmetric Gaussian states of continuous …