Quantum Computing Archivi

The logical qubit and the correction of quantum errors

Introduction: Physical Qubit vs Logical Qubit As discussed in the previous article, the unit of information processed by a quantum computer is generically called Qubit or Quantum Bit. However, for...

Grover’s Quantum Algorithm

04 Feb

Introduction With the 1996 article “A fast quantum mechanical algorithm for database search,” Indian-American computer scientist Lov K. Grover helped highlight the non-negligible impact of quantum computing on cryptography in...

The Qubit: introduction to quantum algorithms

27 Dec

Introduction Sometimes, in popular settings, the quantum computer is labeled as a particular “incredibly faster” computer. Although this consideration is not entirely far from reality, it is necessary to make...

The Quantum Computing

26 Nov

Introduction At the end of the last century, the field of experimental physics was revolutionized by the technological development of classical computers. Among the numerous innovations, the possibility of computer...

War and cryptography: the challenge of quantum communication

16 Jun

Message encryption has always been a very important tool within the military, stretching back to the time of the ancient Greeks to the present day. It is natural for two...