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What is quantum popular?

Quantum noun explanation: If a physical quantity has the smallest indivisible basic unit, it is quantized, and the smallest unit is called quantum. In physics, it refers to an inseparable basic individual, and its basic concept is that all tangible attributes can be quantized. Generally speaking, quantum is the smallest unit that can express the characteristics of a substance or physical quantity.

According to the different laws of physical motion, the world composed of substances that obey the classical laws of motion is called the "classical world", and the world composed of substances that obey the laws of quantum mechanics is called the "quantum world", and "quantum" is the general name of material objects in the quantum world.

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Quantum information technology is a new interdisciplinary subject between quantum physics and information science. Its physical basis is quantum mechanics, which was first founded by scientists such as Einstein in 1920.

2 1 century, the second wave of quantum science and technology revolution is coming, which will give birth to a number of emerging technologies such as quantum computing, quantum communication and quantum measurement, and will greatly change and enhance the way and ability of human beings to obtain, transmit and process information.

Among them, quantum communication is an important security technology. It uses quantum state as information carrier to exchange information, and makes use of the indivisibility of a single optical quantum and the principle of quantum unclonability to ensure that unauthorized parties cannot copy and steal information transmitted in quantum channels in principle, thus ensuring the security of information transmission.