Document Type : Original Article

Author

• Mahdi Karder

Faculty of Sciences, University of Zabol, Zabol, Iran

Abstract

Let H be a finite-dimensional complex Hilbert space. In this note, we determine all maps on S (H), which is the set of all density operators on H, that preserve the von Neumann entropy of convex combinations.

Graphical Abstract

Keywords

• Quantum states
• Density operators
• von Neumann entropy
• Preservers

Main Subjects

• Basic Science