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**Wikipedia**, the free encyclopedia.**Quantum computing**is a type of computation that harnesses the collective properties of**quantum**states, such as superposition, interference, and entanglement, to perform calculations. The devices that perform**quantum**computations are known as**quantum**computers.**Quantum theory**may mean:**Quantum**mechanics, a branch of**physics**explaining the physical behaviours at the molecular, atomic and sub-atomic levels.**Quantum**field theory, a general type of**quantum theory**, which includes:**Quantum**electrodynamics.**Quantum**chromodynamics. Electroweak interaction.**Definition**.**Physics**is the study of energy and matter in space and time and how they are related to each other. Physicists assume the existence of mass, length, time and electric current and then**define**(give the meaning of) all other physical quantities in terms of these basic units.So, this led to the birth of

**quantum physics**– It is a branch of science that explains the physical phenomenon by microscopic and atomic approach and takes into account the dual behaviour of matter. It is theoretical**physics**and it specifies the laws of motion that the microscopic objects obey. When**quantum**mechanics is applied to macroscopic ...**Quantum physics**underlies how atoms work, and so why chemistry and biology work as they do. You, me and the gatepost – at some level at least, we’re all dancing to the**quantum**tune.Jun 02, 2021 ·

**Quantum****physics**(also known as**quantum**theory or**quantum**mechanics) is a branch of**physics**providing a description of the behaviour and interaction of matter and energy on the scale of subatomic particles, photons and certain materials at very low temperature. The**quantum**realm is defined as being where the "action" (or sometimes the angular ...- 141.3K

**Define****quantum theory**.**quantum theory**synonyms,**quantum theory**pronunciation,**quantum theory**translation, English**dictionary****definition**of**quantum theory**. n. 1.