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  1. Quantum mechanics - Wikipedia

    Quantum mechanics is the fundamental physical theory that describes the behavior of matter and of light; its unusual characteristics typically occur at and below the scale of atoms. [2]: 1.1 It is the …

  2. Quantum mechanics | Definition, Development, & Equations | Britannica

    Mar 28, 2026 · Quantum mechanics, science dealing with the behavior of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms …

  3. Part 1: Basic Concepts | Quantum Physics I - MIT OpenCourseWare

    This section contains video lectures for part 1 of the course.

  4. Quantum Mechanics - Learn Physics

    What is Quantum Mechanics? Quantum mechanics is a branch of physics that deals with the behavior of particles on the smallest scales—such as atoms, electrons, and photons.

  5. What is Quantum Mechanics? Understanding the Basics and Its …

    Mar 30, 2025 · Quantum mechanics, or quantum physics, is one of the most profound and enigmatic fields in science. It governs the behavior of matter and energy on the smallest scales—the atomic …

  6. Science 101: Quantum Mechanics - Argonne National Laboratory

    The field of quantum mechanics deals with the most fundamental bits of matter, energy and light and the ways they interact with each other to make up the world.

  7. new field of physics, quantum physics, emerged that explained the behavior of objects at very small scales. The ideas of quantum physics (also referred to as quantum science, quantum theory, or …

  8. Quantum Mechanics (Stanford Encyclopedia of Philosophy)

    Nov 29, 2000 · The heart and soul of quantum mechanics is contained in the Hilbert spaces that represent the state-spaces of quantum mechanical systems.

  9. Quantum mechanics - Wikiversity

    Mar 2, 2026 · Quantum mechanics can describe many systems that classical physics cannot. Classical physics can describe many aspects of nature at an ordinary (macroscopic and (optical) microscopic) …

  10. Foundations and Interpretations of Quantum Mechanics

    The Section “Foundations and Interpretations of Quantum Mechanics” in Quantum Reports is dedicated to providing a venue for this critical discourse. We aim to foster a deeper understanding of the theory …