<pedrocorreia.net ⁄>

<The Mathematics Behind Quantum Computing: Part II ⁄ >

clicks: 3758 3758 2007-06-05 2007-06-05 goto tecnologia myNews tecnologia  Bookmark This Bookmark This

Data in a quantum computer are stored in qubits, and manipulated by gates.

* A qubit (the name is a contraction of "quantum bit") is a device whose state can be represented by a unit vector in a 2-dimensional complex vector space. In terms of an orthonormal basis, usually designated |0>, |1>, the state is a0|0> + a1|1>; here a0 and a1 are complex numbers satisfying |a0|2 + |a1|2 = 1. When the qubit is measured, it reports "0" with probability |a0|2 and "1" with probability |a1|2; meanwhile, the numbers a0 and a1 are lost.
* Gates have kept their name from an early mechanistic conception of the flow of information through a computer. In quantum computation, gates are physical processes which can be applied to qubits.

este é só um excerto do artigo, para aceder ao artigo completo, clique no link em baixo:
this is just a small excerpt from the article, to access the full article please click in the link below:


Subscribe News RSS  Subscribe News Updates by E-mail

myNews <myNews show="rand" cat="tecnologia" ⁄>

MongoDb Architecture new ...

NOSQL has become a very heated topic for large web-scale deployment where scalability and semi-struc (...)

clicks: 21588 21588 2012-05-14 2012-05-14 goto url (new window) horicky.blogspo... goto myNews tecnologia

A Hopefully Fair and Useful Comparison of Haskell Web Frameworks new ...

Recently there has been a lot of discussion and questions about the differences between the big thre (...)

clicks: 26994 26994 2012-05-13 2012-05-13 goto url (new window) softwaresimply.... goto myNews tecnologia

Retina graphics for your website new ...

retina.js is an open source script that makes it easy to serve high-resolution images to devices wit (...)

clicks: 17189 17189 2012-05-11 2012-05-11 goto url (new window) retinajs.com/ goto myNews tecnologia

What every programmer should know about memory, Part 1 new ...

In the early days computers were much simpler. The various components of a system, such as the CPU, (...)

clicks: 20589 20589 2012-05-10 2012-05-10 goto url (new window) lwn.net/Article... goto myNews tecnologia

The State Of HTML5 Video

HTML5 has entered the online video market, which is both exciting and challenging for developers in (...)

clicks: 8082 8082 2012-02-14 2012-02-14 goto url (new window) longtailvideo.c... goto myNews tecnologia

A Tour of Amazon's DynamoDB

Amazon's recent release of DynamoDB, a database whose name is inspired by Dynamo, the key-value data (...)

clicks: 7464 7464 2012-02-13 2012-02-13 goto url (new window) paperplanes.de/... goto myNews tecnologia

Google BigQuery Service: Big data analytics at Google speed

Rapidly crunching terabytes of big data can lead to better business decisions, but this has traditio (...)

clicks: 7448 7448 2011-11-30 2011-11-30 goto url (new window) googlecode.blog... goto myNews tecnologia

Video: CSS3 Secrets: 10 things you might not know about CSS3

A number of prominent front-end developers delivered helpful talks at this year's Fronteers 2011 con (...)

clicks: 8150 8150 2011-11-30 2011-11-30 goto url (new window) css.dzone.com/a... goto myNews tecnologia