Superconductivity by quantum tunneling is a phenomenon in which electrons are able to move through a material with no resistance due to quantum mechanical effects. This allows for the material to conduct electricity with no loss of energy, making it ideal for use in a variety of applications.
Conventional superconductivity is based on the interactions between electrons in a material, while superconductivity by quantum tunneling relies on the behavior of individual electrons and their ability to tunnel through barriers. This allows for superconductivity to occur at higher temperatures and in materials that would not exhibit conventional superconductivity.
Superconductivity by quantum tunneling is achieved by creating nanoscale junctions or barriers within a material. These junctions allow for electrons to tunnel through and move freely, leading to superconductivity.
Superconductivity by quantum tunneling has potential applications in high-speed computing, high-efficiency energy transmission, and sensitive magnetic field sensors. It could also be used in quantum computing and communication technologies.
One challenge to achieving superconductivity by quantum tunneling is the difficulty in creating and controlling the nanoscale junctions necessary for the effect. In addition, the materials used for superconductivity by quantum tunneling are often complex and challenging to produce, limiting their widespread use at this time.