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Quantum Computing at the Speed of Light
Quantum Computing at the Speed of Light

... Harnessing quantum states for information storage and manipulation (in so called “qubits”) is the objective of quantum computing, with the potential to revolutionize technology in areas of great importance to society (e.g. cryptography, data base searching, quantum simulation of advance materials, s ...
The qubits and the equations of physics
The qubits and the equations of physics

... 5. Reversibility is restored only if one extends the parameters to the field of complex numbers 6. Time emerges as a uniform parameter that tracks the sequence of actions and we derive a dynamical equation for the qubit. 7. A qubit needs a carrier, a particle of mass m, its presence in the qubit dyn ...
ppt - MIT
ppt - MIT

Ion Trap Quantum Technology for Quantum Computing
Ion Trap Quantum Technology for Quantum Computing

Runtime Authentication in Highly-Secured Network
Runtime Authentication in Highly-Secured Network

... process is that the user is either accepted as a legitimate user or rejected as an invalid user, while attempting to access the system. • Active Intruder in a network is one, who intrudes an ongoing communication, modifies data packets, and sends them to the receiver. • Quantum entanglement is a phe ...
Chapter 01
Chapter 01

Quantum Computing
Quantum Computing

... • Currently, computer chips are filled with gates only fractions of a micron wide • Gates will move to the atomic level • At an atomic level matter obeys different rules – Quantum Mechanics – Allows completely new algorithms – Better than cramming more gates on a chip ...
Superconductors
Superconductors

Instructions for Preparing Abstracts for MS+S2004
Instructions for Preparing Abstracts for MS+S2004

PPT
PPT

... scheme that compresses the specification to n(H(p) + ) bits while introducing an error with probability at most  Intuitively, there is a subset of {1,…,d}n, called the “typical sequences”, that has size 2n(H(p) + ) and probability 1 −  A nice way to prove the theorem, is based on two cleverly ...
quantum computing
quantum computing

Properties of the Von Neumann entropy
Properties of the Von Neumann entropy

... S(ρAB ) = 0 in the case of a bipartite pure state. That is, for the whole system the state is completely known, yet considering only one of the subsystems the measurement result could be complete random. This is the consequence of quantum entanglement. If we could somehow define a conditional Von Ne ...
Exact reduced dynamics and
Exact reduced dynamics and

... two spin qubits. ...
Qubits based on electrons on helium The basic building block of a
Qubits based on electrons on helium The basic building block of a

... We will continue to develop the RF-SET and optimize its performance aiming for single shot measurement. In our best measurements, it is still the cold amplifier which limits the performance of our RF-SET. In collaboration with John Clarke's group at Berkeley, we will add a microwave SQUID amplifier ...
1 Two qubits - EECS: www
1 Two qubits - EECS: www

Bell States, Bell Inequalities Lecture 2 1 One qubit
Bell States, Bell Inequalities Lecture 2 1 One qubit

Lecture 4: Some Properties of Qubits Introduction A Brief Recap
Lecture 4: Some Properties of Qubits Introduction A Brief Recap

ppt - University of Toronto Physics
ppt - University of Toronto Physics

Pogosov_Abstract - Superconducting hybrid nanostructures
Pogosov_Abstract - Superconducting hybrid nanostructures

报告海报 - 中国科学院武汉物理与数学研究所
报告海报 - 中国科学院武汉物理与数学研究所

Quantum Computers
Quantum Computers

... History and Background First proposed in the 1980 by ...
ppt - QEC14
ppt - QEC14

History and the State-of-art in Quantum Computation
History and the State-of-art in Quantum Computation

Dave Bacon on Quantum Error Correction. Slides in PPT.
Dave Bacon on Quantum Error Correction. Slides in PPT.

... There are distinct PHYSICAL and DYNAMICAL reasons why robust classical computation is possible. not all physical systems are equally good for computation: there exist systems whose PHYSICS guarantees their ability to enact robust classical computation. What is the phase of matter corresponding to th ...
Toffoli gate
Toffoli gate

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Algorithmic cooling

Algorithmic cooling is a phenomenon in quantum computation in which the processing of certain types of computation results in negative entropy and thus a cooling effect.The phenomenon is a result of the connection between thermodynamics and information theory. In so far as information is encoded in physical systems it is subject to the laws of thermodynamics.Certain processes within computation require a change in entropy within the computing system. As data must be stored as some kind of ordered structure (like a localized charge in a capacitor) so the erasure of data by destroying this order must involve an increase in disorder, or entropy. This means that the erasure of data releases heat. This is Landauer's principle.Reversible computing or Adiabatic computing is a theoretical type of computing in which data is never erased, it just changes state or is marked to be ignored. In theory such a system would be able to ""hide"" data without releasing heat.In the case of quantum entangled data, or qubits, it is possible for a computation to result in negative entropy, actually transferring heat out of the computational system, and so cooling it.
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