| 单词 |
qubit |
| 释义 |
qubit, n. Physics.
Brit. |ˈkjuːbɪt|, U.S. |ˈkjubət|
[Irregularly > n.) + bit n.4, apparently punningly after cubit n.
On the coining of the word compare:
1995B. Schumacher in Physical Rev. A 51 2747/2 The term ‘qubit’ was coined in jest during one of the author's many intriguing and valuable conversations with W. K. Wootters, and became the initial impetus for this work. ]
= quantum bit n. at quantum n. and adj. Compounds 2.
1994Nature 10 Feb. 514/1 Quantum physical bits are also called ‘qubits’, so we are trying to find the minimum number of qubits per quantum symbol. 1995B. Schumacher in Physical Rev. A 51 2739/2 In this paper we will prove a ‘quantum coding theorem’ that does allow..this interpretation [of quantum entropy]. This is accomplished by replacing the classical idea of a binary digit with a quantum two-state system, such as the spin of an electron. These quantum bits, or ‘qubits’ are the fundamental units of quantum information. 1998Computer Weekly 19 Mar. 49/2 In quantum computing, qubits can be strung together so that with two there are four possible values (0, 1, 2 and 3) each with a probability of 0.25. 1999Nature 25 Mar. 305/1 Nanometre-scale electronic devices..could be easily embedded in electronic circuitry and scaled up to provide the large numbers of qubits required for useful computations. |
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