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Two operators that are also observables, which means that they correspond to some physically measurable quantity. Compatible observables are two or more such operators that can be measured at the same time. Position and momentum are an example of Incompatible observables, since one can only know either the position or the momentum of an object to 100% accuracy.
Wiki User
∙ 15y ago
Compatible observables in quantum mechanics are those that can be measured simultaneously with precise values, without affecting each other's outcomes. Mathematically, compatible observables commute, meaning the order in which they are measured does not matter. For example, in quantum mechanics, position and momentum are compatible observables, while position and spin are not.
Wiki User
∙ 14y agoAn observable is an expectation value of an operator.
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What is a mixed state in quantum mechanics?
The mixed state in quantum mechanics is the statistical ensemble of the pure states.
What is the alternative to quantum mechanics?
Classical mechanics is the alternative to quantum mechanics. It is a branch of physics that describes the motion of macroscopic objects using principles established by Isaac Newton. Unlike quantum mechanics, classical mechanics assumes that objects have definite positions and velocities at all times.
What do people say about future research concerning quantum mechanics?
People often discuss future research in quantum mechanics as focusing on developing practical quantum technologies like quantum computing, communication, and sensing. Some also highlight the need to better understand fundamental aspects of quantum mechanics, such as the nature of entanglement and the interpretation of quantum phenomena. Additionally, there is growing interest in exploring the implications of quantum mechanics for fields like artificial intelligence, materials science, and cryptography.
When did werner heisenberg discover the quantum theory?
Werner Heisenberg developed the quantum theory in 1925 as part of his work on matrix mechanics. His groundbreaking research contributed to the foundation of quantum mechanics and earned him the Nobel Prize in Physics in 1932.
What is the Alternative to the Quantum Mechanics theory?
One alternative to the standard quantum mechanics theory is the pilot-wave theory, also known as Bohmian mechanics. This theory proposes that particles have definite positions and trajectories, guided by a wave function. It aims to provide a deterministic account of quantum phenomena without relying on wavefunction collapse.
When was Principles of Quantum Mechanics created?
Principles of Quantum Mechanics was created in 1930.
What is an eigenstate?
An eigenstate is a state in which a physical system is found when measured for a specific observable quantity, such as energy, momentum, or position. In quantum mechanics, measuring an observable on a system in an eigenstate yields a definite value of that observable with certainty.
Why it is said relativistic quantum mechanics?
The distinction is sometimes made to distinguish normal quantum mechanics (which does not incorporate special relativity) and quantum field theory (relativistic quantum mechanics). Since we know special relativity is correct it is the relativistic form of quantum mechanics which is true, but non-relativistic quantum mechanics is still used, because it is a good approximation at low energies and it is much simpler. Physics students typically study regular quantum mechanics before moving on to quantum field theory.
Is newton known for quantum mechanics?
The concepts of quantum mechanics were not explored until the 20th century. Newton only lived into the 18th century, so Newton did no work on quantum mechanics.
Who created Quantum Mechanics and is it true that it is replacing the old physics?
Quantum Mechanics "replaced" Classical Mechanics in particle physics in mid-1930s.
What is a mixed state in quantum mechanics?
The mixed state in quantum mechanics is the statistical ensemble of the pure states.
What is the difference between quantum mechanics and quantum physics?
Quantum mechanics is a branch of physics that deals with the mathematical description of the behavior of particles on the atomic and subatomic scale. Quantum physics is the broader field that encompasses quantum mechanics along with other related topics, such as quantum field theory. In essence, quantum mechanics is a subset of quantum physics.
Why quantum mechanics is someone called wave mechanics?
It is also called wave mechanics because quantum mechanics governed by Schrodinger's wave equation in it's wave-formulation.
Is quantum mechanics a set of fields or is it just a lone branch of mechanics?
Quantum mechanics is a separate branch of physics. It is a general term given to all quantum physics. There are many subbranches, for example Quantum chronodynamics which describes the strong nuclear interaction.
What is the alternative to quantum mechanics?
Classical mechanics is the alternative to quantum mechanics. It is a branch of physics that describes the motion of macroscopic objects using principles established by Isaac Newton. Unlike quantum mechanics, classical mechanics assumes that objects have definite positions and velocities at all times.
What is the Alternative to the Quantum Mechanics theory?
One alternative to the standard quantum mechanics theory is the pilot-wave theory, also known as Bohmian mechanics. This theory proposes that particles have definite positions and trajectories, guided by a wave function. It aims to provide a deterministic account of quantum phenomena without relying on wavefunction collapse.
Why plasma is not explained with quantum mechanics?
I am not aware of it "not being explained". I would guess that you can explain the relevant aspects with quantum mechanics.
