• quantum harmonic oscillator can be used to look at the equilibrium situation for a quantum ideal gas in a harmonic trap, which is a harmonic potential...
    7 KB (1,371 words) - 12:39, 31 August 2023
  • Thumbnail for Quantum harmonic oscillator
    mechanical macroscopic object Gas in a harmonic trap – Quantum mechanical model Creation and annihilation operators – Operators useful in quantum mechanics Coherent...
    44 KB (6,952 words) - 15:54, 11 April 2025
  • model, the theory of white dwarfs and in degenerate matter in general. Gas in a harmonic trap Herrmann, F.; Würfel, P. (August 2005). "Light with nonzero...
    15 KB (2,746 words) - 15:27, 28 May 2025
  • Thumbnail for Bose gas
    [clarification needed] and f is a degeneracy factor (f = 1 for simple spinless bosons). For a massive Bose gas in a harmonic trap we will have α = 3 and the...
    22 KB (3,023 words) - 12:32, 26 June 2025
  • Thumbnail for Fermi gas
    g^{(2\mathrm {D} )}(E)={\frac {g_{s}}{2}}{\frac {m}{\pi \hbar ^{2}}}.} The harmonic trap potential: V ( x , y , z ) = 1 2 m ω x 2 x 2 + 1 2 m ω y 2 y 2 + 1 2...
    33 KB (5,630 words) - 17:17, 7 July 2025
  • Thumbnail for Penning trap
    field causes ions to oscillate (harmonically in the case of an ideal Penning trap) along the trap axis. The magnetic field in combination with the electric...
    15 KB (1,847 words) - 12:30, 18 July 2025
  • Thumbnail for Orbitrap
    Orbitrap (redirect from C-trap)
    of the harmonic to create a frequency signal which is converted to mass. The concept of electrostatically trapping ions in an orbit around a central...
    17 KB (2,025 words) - 04:16, 25 May 2025
  • Gas dynamic laser Gas dynamics Gas focusing Gas immersion laser doping Gas in a box Gas in a harmonic trap Gas laser Gas laws Gas thermometer Gaseous...
    16 KB (1,699 words) - 06:57, 22 July 2025
  • (2001-02-05). "Ground-state properties of a one-dimensional system of hard-core bosons in a harmonic trap". Physical Review A. 63 (3): 033601. doi:10.1103/PhysRevA...
    10 KB (1,256 words) - 14:21, 19 July 2025
  • Thumbnail for Bose–Einstein condensate
    for example, in dye microcavites with wavelength-scale mirror separation, forming a two-dimensional harmonically confined photon gas with tunable chemical...
    87 KB (10,751 words) - 02:34, 29 July 2025
  • laser pulses as a source of excitation. HHG can happen both in gases as well as in laser ablated plasma plumes. In gas high harmonics, a gas jet usually acts...
    9 KB (1,103 words) - 15:37, 5 June 2025
  • Thumbnail for Optical tweezers
    time dependent or time harmonic Maxwell equations using appropriate boundary conditions. In cases where the diameter of a trapped particle is significantly...
    73 KB (9,547 words) - 08:18, 25 July 2025
  • M. (2015-09-10). "Monopole Excitations of a Harmonically Trapped One-Dimensional Bose Gas from the Ideal Gas to the Tonks-Girardeau Regime". Physical Review...
    30 KB (4,522 words) - 13:03, 26 June 2025
  • Thumbnail for Extreme ultraviolet
    artificially by plasma, high harmonic generation sources and synchrotron light sources. Since UVC extends to 100 nm, there is some overlap in the terms. The main...
    15 KB (1,643 words) - 00:15, 6 July 2025
  • Thumbnail for Oil and gas reserves and resource quantification
    estimate future oil & gas production. The three most common forms of decline curves are exponential, hyperbolic, and harmonic. It is assumed that the...
    44 KB (4,740 words) - 15:06, 18 June 2025
  • Thumbnail for Equipartition theorem
    function. A diatomic gas can be modelled as two masses, m1 and m2, joined by a spring of stiffness a, which is called the rigid rotor-harmonic oscillator...
    91 KB (12,003 words) - 03:40, 24 July 2025
  • Bose gas can be considered in a harmonic trap, V ( r ) = M ω 2 / 2 {\displaystyle V(r)=M\omega ^{2}/2} , with the ground state occupancy fraction as a function...
    23 KB (2,697 words) - 16:34, 20 March 2025
  • Thumbnail for Laser cooling
    Laser cooling (redirect from Laser trapping)
    attached to a frame, or they are held in optical traps, in both cases the mechanical system is a harmonic oscillator. Laser cooling reduces the random vibrations...
    35 KB (4,023 words) - 03:07, 5 July 2025
  • Gas electron diffraction (GED) is one of the applications of electron diffraction techniques. The target of this method is the determination of the structure...
    18 KB (2,349 words) - 19:30, 30 July 2025
  • Thumbnail for Antibubble
    antibubble is a droplet of liquid surrounded by a thin film of gas, as opposed to a gas bubble, which is a sphere of gas surrounded by a liquid. Antibubbles...
    11 KB (1,268 words) - 16:43, 23 May 2025
  • Thumbnail for Ponderomotive force
    its principal axes. This gives rise to a harmonic oscillator in the secular motion with the so-called trapping frequency Ω ∝ q V m ω d 0 2 {\displaystyle...
    15 KB (2,327 words) - 15:05, 23 May 2025
  • Thumbnail for Wigner crystal
    potential trap. As a consequence, deviations from the b.c.c or triangular lattice are observed. A crystalline state of the 2D electron gas can also be...
    23 KB (2,879 words) - 22:53, 7 July 2025
  • Adiabatic invariant (category Articles lacking in-text citations from February 2023)
    A property of a physical system, such as the entropy of a gas, that stays approximately constant when changes occur slowly is called an adiabatic invariant...
    20 KB (3,423 words) - 06:19, 17 April 2024
  • High-altitude wind power High Energy Liquid Laser Area Defense System High Harmonic Generation Holographic Versatile Disc Holographic grating Holographic weapon...
    27 KB (2,609 words) - 17:09, 25 May 2025
  • Thumbnail for Band-stop filter
    Band-stop filter (redirect from Wave trap)
    though its higher harmonics could still be present. For countries where power transmission is at 50 Hz, the filter would have a 49–51 Hz range. Non-linearities...
    12 KB (1,565 words) - 07:29, 24 May 2025
  • Thumbnail for Nonlinear optics
    vicinity of the parent ion. High-order harmonic generation has been observed in noble gas jets, cells, and gas-filled capillary waveguides. One of the...
    53 KB (6,736 words) - 21:42, 19 June 2025
  • Thumbnail for Levitated optomechanics
    F_{grad,q}=-k_{q}q} with q ∈ { x , y , z } {\displaystyle q\in \{x,y,z\}} , i.e. a harmonic oscillator with frequency ω q = k q / M {\displaystyle \omega...
    8 KB (934 words) - 01:20, 18 June 2025
  • Thumbnail for Superradiant phase transition
    simplifies to a system of interacting harmonic oscillators of atoms, and the field known as Hopfield dielectric which further predicts in the normal state...
    16 KB (2,436 words) - 02:41, 5 February 2025
  • collective oscillations of a harmonically trapped BECs, providing analytic predictions for their frequencies. This contribution had a major impact on the first...
    7 KB (753 words) - 00:28, 11 March 2025
  • field behaves like a set of harmonic oscillators, giving rise to black-body radiation. Both gases obey the Bose–Einstein statistics: in thermal equilibrium...
    48 KB (6,999 words) - 07:46, 21 July 2025