Particle

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The Particle Adventure: Interactive Adventure of the Inner Workings of the Atom (Particle Data Group, Lawrence Berkeley National Laboatory)
Online Particle Physics Information (SLAC Library)

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particle : any of the basic units of matter and energy (such as a molecule, atom, proton, electron, or photon) — Webster

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Particle is a small localized object to which can be ascribed several physical or chemical properties such as volume, density or mass. They vary greatly in size or quantity, from subatomic particles like the electron, to microscopic particles like atoms and molecules, to macroscopic particles like powders and other granular materials. Particles can also be used to create scientific models of even larger objects depending on their density, such as humans moving in a crowd or celestial bodies in motion. — Wikipedia

Encyclopedia of theoretical high energy physics (Scholarpedia)
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Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation. Although the word particle can refer to various types of very small objects (e.g. protons, gas particles, or even household dust), particle physics usually investigates the irreducibly smallest detectable particles and the fundamental interactions necessary to explain their behavior. By our current understanding, these elementary particles are excitations of the quantum fields that also govern their interactions. The currently dominant theory explaining these fundamental particles and fields, along with their dynamics, is called the Standard Model. — Wikipedia

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The Standard Model (CERN)
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Quantum Physics News Phys.org provides the latest news on quantum physics, wave particle duality, quantum theory, quantum mechanics, quantum entanglement, quantum teleportation, and quantum computing.

  • Physicists propose a second level of quantization...
    on May 22, 2019 at 1:30 pm

    Information theory, which was developed by Claude Shannon starting in the late 1940s, deals with questions such as how quickly information can be sent over a noisy communications channel. Both the information carriers (e.g., photons) and the channel (e.g., optical fiber cable) are assumed to be classical systems, with well-defined, perfectly distinguishable states. […]

  • Quantum interferometry reveals the chosen pathway...
    on May 22, 2019 at 1:09 pm

    Scientists at Tokyo Institute of Technology and Keio University investigated the excitation and detection of photogenerated coherent phonons in polar semiconductor GaAs through an ultrafast dual pump-probe laser for quantum interferometry. […]

  • Quantum communication: making two from one
    on May 21, 2019 at 1:59 pm

    In the future, quantum physics could become the guarantor of secure information technology. To achieve this, individual particles of light—photons—are used for secure transmission of data. Findings by physicists from the Max Planck Institute for Solid State Research could play a key role. The researchers accidentally came across a light source that generates a photon pair from the energy of an electron. One of these particles of light has the potential to serve as a carrier of the […]

  • A method to determine magnon coherence in...
    on May 21, 2019 at 1:30 pm

    A team of researchers at Utrecht University, the Norwegian University of Science and Technology and the University of Konstanz has recently proposed a new method to determine magnon coherence in solid-state devices. Their study, outlined in a paper published in Physical Review Letters , shows that cross-correlations of pure spin currents injected by a ferromagnet into two metal leads normalized by their dc value replicate the behavior of the second-order optical coherence function, referred to […]

  • New Josephson junction study links quantum theory...
    on May 21, 2019 at 12:46 pm

    The Josephson junction is one of the most important elements in turning quantum phenomena into usable technology. […]


Quantum Physics News -- ScienceDaily News on quantum physics. Read current research on everything from quantum mechanics to quantum dots. Was Albert Einstein right?

  • Data science helps engineers discover new...
    on May 22, 2019 at 8:27 pm

    Engineers have developed a high-throughput computational method to design new materials for next generation solar cells and LEDs. Their approach generated 13 new material candidates for solar cells and 23 new candidates for LEDs. […]

  • Quantum rebar: Quantum dots enhance stability of...
    on May 22, 2019 at 6:18 pm

    Engineering researchers have combined two emerging technologies for next-generation solar power -- and discovered that each one helps stabilize the other. The resulting hybrid material is a major step toward reducing the cost of solar power while multiplying the ways it can be used. […]

  • A light matter: Understanding the Raman dance of...
    on May 22, 2019 at 12:15 pm

    Scientists investigated the excitation and detection of photogenerated coherent phonons in polar semiconductor GaAs through an ultrafast dual pump-probe laser for quantum interferometry. […]

  • Room-temperature polariton nano-laser
    on May 20, 2019 at 1:34 pm

    Researchers have developed a polariton nano-laser operating at room temperature. […]

  • Development of a displacement sensor to measure...
    on May 17, 2019 at 3:51 pm

    One of the most unknown phenomena in modern physics is gravity. Its measurement and laws remain somewhat of an enigma. Researchers have revealed important information about a new aspect of the nature of gravity by probing the smallest mass-scale. […]