Quantum mechanics
English
8 pages
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1: Quantum superposition
116 views • Dec 02, 2024
Quantum superposition is a fundamental principle of quantum mechanics that states that linear combinations of solutions to the Schrödinger equation are also solutions of the Schrödinger equation. This follows from the fact that the Schrödinger equation is a linear differential equation in time and position. More precisely, the state of a system is given by a linear combination of all the eigenfunctions of the Schrödinger equation governing that system.
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2: Quantum decoherence
36 views • Dec 09, 2024
This quantum decoherence is the same quantum mechanism that has led, in recent years, to a profound understanding of the macroscopic versus microscopic dichotomy, in which quantum superpositions are virtually unseen in the macroscopic world, while they are the rule in the microscopic world of atoms and elementary particles.
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3: Wave function collapse
28 views • Dec 15, 2024
Occurs when a wave function—initially in a superposition of several eigenstates—reduces to a single eigenstate due to interaction with the external world.
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4: Quantum entanglement
32 views • Dec 22, 2024
Is a fascinating, counterintuitive phenomenon where two subatomic particles remain deeply connected, even if separated by billions of light-years. A change in one particle instantly influences the other, regardless of the distance between them.
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5: Quantum computing
20 views • Dec 29, 2024
Is a multidisciplinary field comprising aspects of computer science, physics, and mathematics that utilizes quantum mechanics to solve complex problems faster than on classical computers. The field of quantum computing includes hardware research and application development.
