Strong Subadditivity of Quantum Entropy

Strong subadditivity of entropy (SSA) was long known and appreciated in classical probability theory andinformation theory.Its extension to quantum…

Papers overview

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2019

We consider two-dimensional states of matter satisfying an uniform area law for entanglement. We show that the topological…

2018

We investigate the quantum null energy condition (QNEC) in holographic CFTs, focusing on half-spaces and particular classes of…

2017

One decade ago, Ryu-Takayanagi explicitly introduced a formula that relates the entropy of a subregion in CFT system to a…

2014

Highly Cited

2013

Highly Cited

2013

The strong subadditivity condition for the density matrix of a quantum system, which does not contain subsystems, is derived…

2008

We show how recent results of Lieb and Seiringer can be obtained from repeated use of the monotonicity of relative entropy under…

2004

Basic properties of von Neumann entropy around the strong subadditivity (SSA) are studied for the CAR systems. An entropy…

2002

The entropy of irreducible stochastic matrix measures its mixing properties. We show that this quantity is subadditive and…

1998

1977

Let 1 be a positive capacity on a mξtrizable compact space. If 1 is strongly subadditive ， then there exists a vaguely compact…