Lecture 18 — October 26, 2015 1 Overview 2 Quantum Entropy
... enter into temporary physical interaction due to known forces between them, and when after a time of mutual influence the systems separate again, then they can no longer be described in the same way as before, viz. by endowing each of them with a representative of its own. I would not call that one ...
... enter into temporary physical interaction due to known forces between them, and when after a time of mutual influence the systems separate again, then they can no longer be described in the same way as before, viz. by endowing each of them with a representative of its own. I would not call that one ...
Decoherence in Excited Atoms by Low-Energy Scattering
... The above calculations assume that the collisions are statistically independent. This approximation is accurate for our model because the probability of interaction is expected to be very small, so enough time will pass between two collisions to neglect any correlation [16]. Additionally, it will be ...
... The above calculations assume that the collisions are statistically independent. This approximation is accurate for our model because the probability of interaction is expected to be very small, so enough time will pass between two collisions to neglect any correlation [16]. Additionally, it will be ...
Neural Network Algorithms-Quantum-Glia
... For precision, performance, and usability What better place to turn for help, than back to our original inspiration? In green are my personal speculations ...
... For precision, performance, and usability What better place to turn for help, than back to our original inspiration? In green are my personal speculations ...
Toward a scalable, silicon-based quantum computing architecture
... orthogonal states, only one of those states can be observed, or measured. After measurement, the system is no longer in superposition: the quantum state collapses into the one state measured, and the probability amplitude of all other states goes to is measured, zero. For example, when the state the ...
... orthogonal states, only one of those states can be observed, or measured. After measurement, the system is no longer in superposition: the quantum state collapses into the one state measured, and the probability amplitude of all other states goes to is measured, zero. For example, when the state the ...
Universal turning point behavior for Gaussian
... near soft classical turning points provides an analytical handle on the phase space localization 共and packet shape兲 of GK states. The turning point formalism in this way lends credence to the estimates derived from the autocorrelation function in Eq. 共4兲, e.g., the estimates of localization lifetime ...
... near soft classical turning points provides an analytical handle on the phase space localization 共and packet shape兲 of GK states. The turning point formalism in this way lends credence to the estimates derived from the autocorrelation function in Eq. 共4兲, e.g., the estimates of localization lifetime ...
Grand-canonical ensembles
... but for quantum systems we still cannot deal with problems where the translational degrees of freedom are described quantum mechanically and particles can interchange their locations – in such cases we can write the expression for the canonical partition function, but because of the restriction on t ...
... but for quantum systems we still cannot deal with problems where the translational degrees of freedom are described quantum mechanically and particles can interchange their locations – in such cases we can write the expression for the canonical partition function, but because of the restriction on t ...
Quantum Clustering Algorithms - The International Machine
... mechanics in order to compute a function simultaneously on arbitrarily many inputs. Quantum interference makes it possible for the logical paths of a computation to interfere in a constructive or destructive manner. As a result of interference, computational paths leading to desired results can rein ...
... mechanics in order to compute a function simultaneously on arbitrarily many inputs. Quantum interference makes it possible for the logical paths of a computation to interfere in a constructive or destructive manner. As a result of interference, computational paths leading to desired results can rein ...
Quantum information or quantum coding? - Philsci
... ‘transposition’, and describes it in the following terms: “We can therefore imagine a communication scheme based upon transposition. At the coding end, the signal of a source system M is transposed via the unitary evolution U into the coding system X. The system X is conveyed from the transmitter to ...
... ‘transposition’, and describes it in the following terms: “We can therefore imagine a communication scheme based upon transposition. At the coding end, the signal of a source system M is transposed via the unitary evolution U into the coding system X. The system X is conveyed from the transmitter to ...
One Complexity Theorist`s View of Quantum Computing
... factor numbers using Shor’s algorithm [Sho97] faster than any classical computer can factor. There has been some success in creating quantum machines with a tiny number of bits; but we have many physical and engineering issues to overcome before a large scale quantum machine can be realized. As a co ...
... factor numbers using Shor’s algorithm [Sho97] faster than any classical computer can factor. There has been some success in creating quantum machines with a tiny number of bits; but we have many physical and engineering issues to overcome before a large scale quantum machine can be realized. As a co ...
Quantum teleportation
Quantum teleportation is a process by which quantum information (e.g. the exact state of an atom or photon) can be transmitted (exactly, in principle) from one location to another, with the help of classical communication and previously shared quantum entanglement between the sending and receiving location. Because it depends on classical communication, which can proceed no faster than the speed of light, it cannot be used for faster-than-light transport or communication of classical bits. It also cannot be used to make copies of a system, as this violates the no-cloning theorem. While it has proven possible to teleport one or more qubits of information between two (entangled) atoms, this has not yet been achieved between molecules or anything larger.Although the name is inspired by the teleportation commonly used in fiction, there is no relationship outside the name, because quantum teleportation concerns only the transfer of information. Quantum teleportation is not a form of transportation, but of communication; it provides a way of transporting a qubit from one location to another, without having to move a physical particle along with it.The seminal paper first expounding the idea was published by C. H. Bennett, G. Brassard, C. Crépeau, R. Jozsa, A. Peres and W. K. Wootters in 1993. Since then, quantum teleportation was first realized with single photons and later demonstrated with various material systems such as atoms, ions, electrons and superconducting circuits. The record distance for quantum teleportation is 143 km (89 mi).