Qubit devices and the issue of quantum decoherence

摘要

The exciting new field of quantum information science and technology is burgeoning with revolutionary new advances in the areas o quantum communication, quantum information processing, quantum computing, and quantum cryptography. Potential useful products of these advances include a wide variety of innovative qubit devices, ranging from quantum games and quantum teleporters to quantum computers and quantum robots. The major obstacle to the successful development of these devices is the phenomenon of quantum decoherence.