Schrödinger's cat is a thought experiment sometimes described as a paradox, devised by Austrian physicist Erwin Schrödinger in 1935. It illustrates what he saw as the problem of the Copenhagen interpretation of quantum mechanics applied to everyday objects. The scenario presents a cat which may be simultaneously both alive and dead, a state known as a quantum superposition, as a result of being linked to a random subatomic event that may or may not occur. The thought experiment is also often featured in theoretical discussions of the interpretations of quantum mechanics. Schrödinger coined the term VerschrÃnkung (entanglement) in the course of developing the thought experiment.
Taken from TechTarget:
Here's Schrödinger's thought experiment: We place a living cat into a steel chamber, along with a device containing a vial of hydrocyanic acid. There is, in the chamber, a very small amount of hydrocyanic acid, a radioactive substance. If even a single atom of the substance decays during the test period, a relay mechanism will trip a hammer, which will, in turn, break the vial and kill the cat. The observer cannot know whether or not an atom of the substance has decayed, and consequently, cannot know whether the vial has been broken, the hydrocyanic acid released, and the cat killed. Since we cannot know, according to quantum law, the cat is both dead and alive, in what is called a superposition of states. It is only when we break open the box and learn the condition of the cat that the superposition is lost, and the cat becomes one or the other (dead or alive). This situation is sometimes called quantum indeterminacy or the observer's paradox: the observation or measurement itself affects an outcome, so that the outcome as such does not exist unless the measurement is made. (That is, there is no single outcome unless it is observed.) We know that superposition actually occurs at the subatomic level, because there are observable effects of interference, in which a single particle is demonstrated to be in multiple locations simultaneously. What that fact implies about the nature of reality on the observable level (cats, for example, as opposed to electrons) is one of the stickiest areas of quantum physics. Schrödinger himself is rumored to have said, later in life, that he wished he had never met that cat.
Neither and both at the same time. Depending on the situation in the box, it could be either alive or dead, and since you can't see the cat without opening the box, and you can't look at the box's conditions, you can't know if the cat is alive or dead. Since a conclusion cannot be reached, the cat is neither dead nor alive, and both at the same time.
Uncertainty Principle
not the uncertainty principle but entanglement.
Check out the links below.
The quantum mechanical model is called the quantum theory.
The most known theory in quantum mechanics would be the Broglie-Bohm theory. Other popular theories are the string theory, quantum entanglement, and SchrÌ_dinger's cat.
http://en.wikipedia.org/wiki/Quantum_number
The uncertainty principle is a theory that the more you know about the speed of an electron, the less you know about its position and vica versa
Max Planck
The Pauli exclusion principle is the quantum mechanical principle that says that 2 identical fermions (particles with half-integer spin) cannot occupy the same quantum state simultaneously.
Stephen L. Adler has written: 'Quantum Theory as an Emergent Phenomenon' -- subject(s): Quantum theory 'Quaternionic quantum mechanics and quantum fields' -- subject(s): Quantum theory, Quaternions, Mathematical physics, Quantum field theory
Rudolf Haag has written: 'Local quantum physics' -- subject(s): Quantum field theory, Quantum theory 'On quantum field theories' -- subject(s): Quantum theory
There is confusion over this because "law" and "theory" mean very different things in every day life compared to science. A "law" is just an outdated term for "theory." Theories are explanations of a phenomenon that have undergone rigorous experiments by scientists. A law is no more scientifically valid than a theory in science. A principle is usually more specific than a theory. For instance, you have the Theory of Quantum Mechanics and within that, you have Pauli's exclusion principle.
Heinrich Saller has written: 'Operational Quantum Theory I' 'Operational quantum theory' -- subject(s): Mathematics, Quantum theory
The original founder of quantum theory was Max Plank. The basic theory has been improved upon many times but there hasn't been a 'Modern Quantum Theory' that replaces the old.
The original founder of quantum theory was Max Plank. The basic theory has been improved upon many times but there hasn't been a 'Modern Quantum Theory' that replaces the old.
Max Karl Ernst Ludwig Planck is regarded as the founder of the quantum theory.
The quantum mechanical model is called the quantum theory.
Quantum theory was not the result of a single experiment, a single discovery, or even a single scientist. Quantum theory evolved gradually, over several decades.
The most known theory in quantum mechanics would be the Broglie-Bohm theory. Other popular theories are the string theory, quantum entanglement, and SchrÌ_dinger's cat.
That's a mis-spelling of "quantum theory".