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- The uncertainty principle says that we cannot measure the position (x) and the momentum (p) of a particle with absolute precision.[1]
- One way to think about the uncertainty principle is as an extension of how we see and measure things in the everyday world.[1]
- The uncertainty principle is at the heart of many things that we observe but cannot explain using classical (non-quantum) physics.[1]
- Perhaps the strangest result of the uncertainty principle is what it says about vacuums.[1]
- Learn about the uncertainty principle as defined by the properties of waves.[2]
- The uncertainty principle arises from the wave-particle duality.[2]
- The uncertainty principle is alternatively expressed in terms of a particle’s momentum and position.[2]
- In February 1927, the young Werner Heisenberg developed a key piece of quantum theory, the uncertainty principle, with profound implications.[3]
- Though others may have found the wave approach easier to use, Heisenberg’s matrix mechanics led him naturally to the uncertainty principle for which he is well known.[3]
- In March he submitted his paper on the uncertainty principle for publication.[3]
- Niels Bohr pointed out some errors in Heisenberg’s thought experiment, but agreed the uncertainty principle itself was correct, and the paper was published.[3]
- Heisenberg sometimes explained the uncertainty principle as a problem of making measurements.[4]
- Physics students are still taught this measurement-disturbance version of the uncertainty principle in introductory classes, but it turns out that it's not always true.[4]
- When the researchers did the experiment multiple times, they found that measurement of one polarization did not always disturb the other state as much as the uncertainty principle predicted.[4]
- And according to the uncertainty principle, you can't know the position and momentum of that particle accurately, at the same time.[5]
- So let's look at a mathematical description of the uncertainty principle.[5]
- And so let's apply this uncertainty principle to the Bohr model of the hydrogen atom.[5]
- The uncertainty principle says this isn't true.[5]
- With light-based analytical instruments the designers of the optics have to struggle with the uncertainty principle.[6]
- Heisenberg's uncertainty principle is usually taken to express a limitation of operational possibilities imposed by quantum mechanics.[7]
- Finally, we survey models and experimental implementations of joint measurements of position and momentum and comment briefly on the status of experimental tests of the uncertainty principle.[7]
- The uncertainty principle was hard even for scientists to accept at first.[8]
- Before getting into the details, one thing to get clear is that Heisenberg’s “uncertainty principle” is not really a principle at all.[9]
- We provide a natural derivation and interpretation for the uncertainty principle in quantum mechanics from the stochastic optimal control approach.[10]
- We show that, in particular, the stochastic approach to quantum mechanics allows one to understand the uncertainty principle through the “thermodynamic equilibrium”.[10]
- Roughly speaking, the uncertainty principle (for position and momentum) states that one cannot assign exact simultaneous values to the position and momentum of a physical system.[11]
- formulation of the uncertainty principle no longer follows.[11]
- In the English literature the name uncertainty principle became most common.[11]
- A second point is the question whether the theoretical structure or the quantitative laws of quantum theory can indeed be derived on the basis of the uncertainty principle, as Heisenberg wished.[11]
- Certain experiments, however, may deliberately test a particular form of the uncertainty principle as part of their main research program.[12]
- Two alternative frameworks for quantum physics offer different explanations for the uncertainty principle.[12]
- This is the uncertainty principle, the exact limit of which is the Kennard bound.[12]
- By the time–energy uncertainty principle, they do not have a definite energy, and, each time they decay, the energy they release is slightly different.[12]
- The letter evolved into a published paper in which Heisenberg presented to the world for the first time what became known as the uncertainty principle.[13]
- This is known as the Heisenberg uncertainty principle.[14]
- The uncertainty principle for energy and time can be of great significance if the lifetime of a system is very short.[14]
- Another consequence of the wave character of all particles is the Heisenberg uncertainty principle, which limits the precision with which certain physical quantities can be known simultaneously.[14]
- uncertainty principle, which was first laid out by German physicist Werner Heisenberg in 1927.[15]
- Albert Einstein strongly objected to the uncertainty principle, saying it could not possibly reflect reality, and spent many years arguing with Heisenberg and others.[15]
- Discussing the uncertainty principle in his 1928 book The Nature of the Physical World, Arthur Eddington felt it opened up a gap in Newtonian determinism that left a space for free will to operate.[16]
- It’s known as Heisenberg’s uncertainty principle, which indeed means that the star of today’s episode is this fellow right here.[17]
- one way of explaining the uncertainty principle.[17]
- It’s a way that I use in describing the uncertainty principle to one of the great string theorists of our age, Sheldon Cooper.[17]
- Now, look, ba dum bump is a perfectly fine response to that kind of loose description of the uncertainty principle.[17]
- Heisenberg’s uncertainty principle states that it is impossible to measure or calculate exactly, both the position and the momentum of an object.[18]
- In the field of quantum mechanics, Heisenberg’s uncertainty principle is a fundamental theory that explains why it is impossible to measure more than one quantum variables simultaneously.[18]
- In order to illustrate Heisenberg’s uncertainty principle, consider an example where the position of an electron is measured.[18]
- Applying the same example to a macroscopic object (say a basketball), it can be understood that Heisenberg’s uncertainty principle has a negligible impact on measurements in the macroscopic world.[18]
- This principle known as the Heisenberg uncertainty principle can be expressed as follows: where is the uncertainty in position, is the uncertainty in momentum, and is the reduced Planck's constant.[19]
- After Heisenberg, two other scientists, H. P. Robertson and E. Schrödinger, developed his uncertainty principle.[19]
- In the paper, the author considers the uncertainty relations as implicit evolution equations so the intrinsic nature of the correlations expressed by the uncertainty principle is shown more precisely.[19]
- The uncertainty principle is usually written with an extra factor of 2π: it takes about one radian rather than a whole cycle.[20]
- The uncertainty principle prohibits exact knowledge of initial conditions, and therefore repeated performances of such processes will diverge.[20]
- Some philosophers regard the consequences of the uncertainty principle as having a more fundamental importance.[20]
- In this paper, we explore OAM entanglement by applying the Heisenberg uncertainty principle to the quantum position correlation within the azimuthal region.[21]
- This phenomenon can be explained by the Heisenberg uncertainty principle.[21]
- Such phenomena can be explained by applying the Heisenberg uncertainty principle to the between angular position correlation and OAM correlation.[21]
- E.G. Revisiting the Derivation of Heisenberg's Uncertainty Principle: The Collapse of Uncertainty at the Planck Scale.[22]
- In this paper, we will revisit the derivation of Heisenberg's uncertainty principle.[22]
- Further, Bell's Inequality no longer holds, as the breakdown of Heisenberg's uncertainty principle at the Planck scale opens up the possibility for hidden variable theories.[22]
- The uncertainty principle is alternatively expressed in terms of a particle's momentum and position.[23]
- Which brings us to the uncertainty principle.[24]
- Now the uncertainty principle is not something we notice in everyday life.[24]
- The reason we don't notice the uncertainty principle in everyday life is because of the size of Planck's constant.[24]
- You get a similar result when you apply the uncertainty principle to any object large enough to see.[24]
소스
- ↑ 1.0 1.1 1.2 1.3 What is Heisenberg's Uncertainty Principle?
- ↑ 2.0 2.1 2.2 uncertainty principle | Definition & Equation
- ↑ 3.0 3.1 3.2 3.3 This Month in Physics History
- ↑ 4.0 4.1 4.2 Common Interpretation of Heisenberg's Uncertainty Principle Is Proved False
- ↑ 5.0 5.1 5.2 5.3 Heisenberg uncertainty principle (video)
- ↑ Heisenberg’s uncertainty principle :: Anton Paar Wiki
- ↑ 7.0 7.1 Heisenberg's uncertainty principle
- ↑ A Science Odyssey: People and Discoveries: Heisenberg states the uncertainty principle
- ↑ Explainer: Heisenberg’s Uncertainty Principle
- ↑ 10.0 10.1 The Heisenberg Uncertainty Principle as an Endogenous Equilibrium Property of Stochastic Optimal Control Systems in Quantum Mechanics
- ↑ 11.0 11.1 11.2 11.3 The Uncertainty Principle (Stanford Encyclopedia of Philosophy)
- ↑ 12.0 12.1 12.2 12.3 Uncertainty principle
- ↑ The Uncertainty Principle
- ↑ 14.0 14.1 14.2 Probability: The Heisenberg Uncertainty Principle
- ↑ 15.0 15.1 Uncertainty principle
- ↑ Heisenberg's uncertain legacy
- ↑ 17.0 17.1 17.2 17.3 Your Daily Equation #18: Heisenberg’s Uncertainty Principle
- ↑ 18.0 18.1 18.2 18.3 Heisenberg Uncertainty Principle
- ↑ 19.0 19.1 19.2 Realistic Approach of the Relations of Uncertainty of Heisenberg
- ↑ 20.0 20.1 20.2 The musician's uncertainty principle and Heisenberg's uncertainty principle
- ↑ 21.0 21.1 21.2 Manipulating orbital angular momentum entanglement by using the Heisenberg uncertainty principle
- ↑ 22.0 22.1 22.2 Revisiting the Derivation of Heisenberg's Uncertainty Principle: The Collapse of Uncertainty at the Planck Scale
- ↑ Uncertainty Principle
- ↑ 24.0 24.1 24.2 24.3 The Elements of the Uncertainty Principle
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- [{'LOWER': 'uncertainty'}, {'LEMMA': 'principle'}]