11 Entanglement Measures

Martin B. Plenio1 and Shashank S. Virmani2

1 Universität Ulm, Institute of Theoretical Physics, Albert‐Einstein‐Allee 11, 89081 Ulm, Germany

2 Brunel University London, College of Engineering, Design and Physical Sciences, Kingston Lane, Uxbridge, Middlesex UB8 3PH, United Kingdom

11.1 Introduction

The concept of entanglement has played an important role in quantum physics ever since its discovery last century and has now been recognized as a key resource in quantum information science (15). However, despite its evident importance, entanglement remains an enigmatic phenomenon. One important avenue to understand this enigma is via the study of entanglement measures. In this chapter, we will discuss the motivation ...

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