Mon premier blog

The Physics of Quantum Information: Quantum Cryptography, Quantum Teleportation, Quantum Computation by Anton Zeilinger, Artur K. Ekert, Dirk Bouwmeester

The Physics of Quantum Information: Quantum Cryptography, Quantum Teleportation, Quantum Computation Anton Zeilinger, Artur K. Ekert, Dirk Bouwmeester ebook
Publisher: Springer
Page: 326
ISBN: 3540667784, 9783540667780
Format: djvu

Physics major Robyn Schwartz is getting a jump start on her senior capstone project this summer, and it's leading her deeper into the quantum world, the realm of molecules, atoms and subatomic particles, where nothing is . Anton Zeilinger at the Institute for Quantum Optics and Quantum Information, the University of Vienna and authors experimentally realized the latter “Gedankenexperiment” formulated by Asher Peres in 2000. Physicist Stephan Ritter, one of the study's authors. €�The important thing is that an indicator on the device tells you when it has worked properly,” said Professor Ralph from UQ's ARC Centre for Quantum Computer Technology. One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on a private exchange (Phys.org)—Working in the exotic-sounding field of quantum teleportation, physicists are trying to make it easier to transmit quantum information in the form of qubits from one location to another without having the qubits . An entanglement swapping setup that generates a secrete key for quantum cryptography. This comprehensive textbook describes such remarkable effects as fast quantum algorithms, quantum teleportation, quantum cryptography and quantum error-correction. "In most of the quantum-communication schemes and in distributed quantum computation, the initial state is really unknown and from an independent qubit," says Pan. Universal quantum network Quantum technology is the future, no doubt. However, it could also serve as a resource for the teleportation of quantum information. UQ physicists have demonstrated a novel solution to the problem of information degradation when amplifying signals at the quantum information level. Physicist: Contrary to its exciting name, quantum teleportation doesn't involve any physical stuff suddenly disappearing and then reappearing somewhere else. Post-selection replaces the quantum measurement, allowing time travel to take place: Postselection could ensure that only a certain type of state can be teleported. Many traditional ion trapping research groups make the transition to quantum computing research, while, more lately, a number of other new information groups have became a member of your time and effort. Physicists in China claim to have teleported the quantum states of photons nearly 100 km in free space, breaking the previous record by a factor of 100. The impact of computing devices based on quantum effects finally entering service would be vast and of immense positive consequence to the “During this time, there's enough time to really do this information exchange in a reliable way,” says M.P.Q. Bob uses this information to modify his half of the entangled pair such that it is in a quantum state identical to the state that Alice wanted to send. Noticed that quantum systems could be amplified in this way, so this discovery increases our knowledge of how quantum systems work.