関連する実験動画

Updated: Jul 12, 2026

Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

大マゼラン雲超新星の大型マゼラン雲超新星の大型マゼラン雲超新星の大型マゼラン雲超新星の大型マゼラン雲超新星の大型マゼラン雲超新星の大型マゼラン雲超新星 大型マゼラン雲超新星 大型マゼラン雲超新星

D N Spergel, T Piran, A Loeb

    Science (New York, N.Y.)
    |September 18, 1987
    PubMed
    まとめ

    超新星ニュートリノは,エキゾチックな物理学なしに,単純なモデルで正確に説明できます. 冷却中性子星モデルは観測に適合し,電子反中性子と温度に関する重要なパラメータを提供します.

    さらに関連する動画

    Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving11:21

    Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

    Published on: March 30, 2017

    Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation11:11

    Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation

    Published on: May 2, 2016

    関連する概念動画

    Maxwell-Boltzmann Distribution: Problem Solving01:20

    Maxwell-Boltzmann Distribution: Problem Solving

    Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
    This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
    Fermi Level Dynamics01:12

    Fermi Level Dynamics

    The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
    Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
    The work...
    Atomic Nuclei: Nuclear Spin State Population Distribution01:14

    Atomic Nuclei: Nuclear Spin State Population Distribution

    Near absolute zero temperatures, in the presence of a magnetic field, the majority of nuclei prefer the lower energy spin-up state to the higher energy spin-down state. As temperatures increase, the energy from thermal collisions distributes the spins more equally between the two states. The Boltzmann distribution equation gives the ratio of the number of spins predicted in the spin −½ (N−) and spin +½ (N+) states.
    Atomic Radii and Effective Nuclear Charge03:08

    Atomic Radii and Effective Nuclear Charge

    The elements in groups of the periodic table exhibit similar chemical behavior. This similarity occurs because the members of a group have the same number and distribution of electrons in their valence shells.
    Maxwell's Thermodynamic Relations01:23

    Maxwell's Thermodynamic Relations

    Maxwell's thermodynamic relations are very useful in solving problems in thermodynamics. Each of Maxwell's relations relates a partial differential between quantities that can be hard to measure experimentally to a partial differential between quantities that can be easily measured. These relations are a set of equations derivable from the symmetry of the second derivatives and the thermodynamic potentials.
    All thermodynamic potentials are exact differentials. Therefore, their second-order...
    The Clausius–Clapeyron Equation01:29

    The Clausius–Clapeyron Equation

    The Clausius-Clapeyron equation is a fundamental principle in physical chemistry and thermodynamics that describes the relationship between a substance's vapor pressure and temperature. Named after Rudolf Clausius and Benoît Paul Émile Clapeyron, the equation is integral in predicting a substance's behavior under different temperature conditions.The Clausius-Clapeyron equation allows us to calculate how the pressure at which a liquid boils (its vapor pressure) changes as the temperature changes.