• imaging (MRI), and electron spin resonance (ESR), the Bloch equations are a set of macroscopic equations that are used to calculate the nuclear magnetization...
    17 KB (3,276 words) - 18:30, 25 March 2024
  • equivalent to) the Bloch equations which describe the motion of the nuclear magnetic moment in an electromagnetic field. The equations can be derived either...
    9 KB (1,775 words) - 04:23, 12 February 2024
  • the NMR signal. The equation listed above in the section on T1 and T2 relaxation are those in the Bloch equations. Solomon equations are used to calculate...
    26 KB (3,756 words) - 18:52, 20 June 2024
  • The semiconductor Bloch equations (abbreviated as SBEs) describe the optical response of semiconductors excited by coherent classical light sources, such...
    17 KB (2,295 words) - 20:50, 26 March 2024
  • Thumbnail for Two-state quantum system
    _{z}\right)\psi } The optical Bloch equations for a collection of spin-1/2 particles can be derived from the time dependent Schrödinger equation for a two level system...
    33 KB (6,569 words) - 21:27, 4 October 2024
  • Thumbnail for Diffusion-weighted magnetic resonance imaging
    {\displaystyle M} is a vector, there are 3 diffusion equations, one for each dimension. The Bloch-Torrey equation is: d M → d t = γ M → × B → − M x i → + M y j...
    64 KB (9,191 words) - 19:55, 28 September 2024
  • Thumbnail for Felix Bloch
    which are the underlying principles of MRI. In 1946 he proposed the Bloch equations which determine the time evolution of nuclear magnetization. He was...
    17 KB (1,523 words) - 12:12, 26 September 2024
  • be described by a set of two equations, the so-called optical Bloch equations. These equations are named after Felix Bloch who formulated them in order...
    31 KB (4,788 words) - 23:47, 28 December 2023
  • Thumbnail for Bloch's theorem
    In condensed matter physics, Bloch's theorem states that solutions to the Schrödinger equation in a periodic potential can be expressed as plane waves...
    36 KB (6,052 words) - 07:43, 21 May 2024
  • SBE may refer to: Sacred Books of the East Semiconductor Bloch equations Social, behavioral, environmental and medical sciences Society of Broadcast Engineers...
    740 bytes (91 words) - 10:39, 2 August 2024
  • equation of Landau and Lifshitz. The LLG equation is similar to the Bloch equation, but they differ in the form of the damping term. The LLG equation...
    12 KB (1,341 words) - 18:41, 16 June 2024
  • _{ge}+\rho _{eg})} Here is where the optical Bloch equations will come in handy, they give us an equation to understand the dynamics of the density matrix...
    12 KB (2,569 words) - 05:14, 7 January 2024
  • Thumbnail for Semiconductor laser theory
    emerging in semiconductor quantum optics. Semiconductor Bloch equations Semiconductor luminescence equations Semiconductor optical gain Coherent effects in semiconductor...
    10 KB (1,239 words) - 21:05, 29 December 2023
  • can be applied to generalize the semiconductor Bloch equations and semiconductor luminescence equations. Quantum theory essentially replaces classically...
    15 KB (2,118 words) - 23:47, 28 December 2023
  • The Bethe formula or Bethe–Bloch formula describes the mean energy loss per distance travelled of swift charged particles (protons, alpha particles, atomic...
    8 KB (947 words) - 12:25, 24 June 2024
  • Wannier equation considerably. The resulting generalized Wannier equation can be determined from the homogeneous part of the semiconductor Bloch equations or...
    10 KB (1,540 words) - 08:03, 11 October 2023
  • {1}{T2}}=R2} . Magnetization as a function of time is defined by the Bloch equations. T1 and T2 values are dependent on the chemical environment of the...
    92 KB (10,708 words) - 09:03, 25 September 2024
  • systems stem from Maxwell–Bloch equations (MBE). This full set of Partial Differential Equations includes Maxwell equations for electromagnetic field...
    30 KB (3,703 words) - 09:43, 22 June 2024
  • can be systematically approached by generalizing the semiconductor Bloch equations and the related many-body correlation dynamics. At this level, one...
    16 KB (2,087 words) - 21:30, 29 December 2023
  • Bloch Auditorium, Hewlett Teaching Center room 201, Stanford University Bloch Beamline at MAX IV Laboratory Bloch Fellowship in quantum science and engineering...
    5 KB (215 words) - 20:42, 1 April 2024
  • Thumbnail for Photoluminescence
    excites a polarization that can be described with the semiconductor Bloch equations. Once the photons are absorbed, electrons and holes are formed with...
    27 KB (3,340 words) - 07:43, 20 March 2024
  • Thumbnail for Bloch sphere
    In quantum mechanics and computing, the Bloch sphere is a geometrical representation of the pure state space of a two-level quantum mechanical system...
    23 KB (3,793 words) - 22:40, 16 July 2024
  • Thumbnail for Rabi cycle
    probability of finding the atom in the excited state is found from the Bloch equations to be | c b ( t ) | 2 ∝ sin 2 ⁡ ( ω t / 2 ) , {\displaystyle |c_{b}(t)|^{2}\propto...
    22 KB (3,992 words) - 21:24, 29 August 2024
  • generalization of this equation requires that space and time derivatives must enter symmetrically as they do in the Maxwell equations that govern the behavior...
    78 KB (12,993 words) - 07:36, 9 October 2024
  • to the spin domain version of the Bloch equations. The SLR algorithm simplifies the solution of the Bloch equations to the design of two polynomials,...
    4 KB (591 words) - 09:00, 19 September 2023
  • Thumbnail for Rotational spectroscopy
    spectroscopy. The behaviour of the evolving system is described by optical Bloch equations. First, a short (typically 0-3 microsecond duration) microwave pulse...
    51 KB (7,154 words) - 19:22, 3 May 2024
  • Thumbnail for Frequency selective surface
    frequency as in equation (1.1.3). On the other hand, k0 in the equations above comes from the assumed Bloch wave solution given by equations (1.2.1) & (1...
    49 KB (6,331 words) - 22:11, 7 July 2024
  • Thumbnail for Schrödinger equation
    nonrelativistic energy equations. The Klein–Gordon equation and the Dirac equation are two such equations. The Klein–Gordon equation, − 1 c 2 ∂ 2 ∂ t 2 ψ...
    74 KB (10,234 words) - 02:11, 7 October 2024
  • Thumbnail for Rodolfo Bonifacio
    for Maxwell–Bloch equations authored by Brian McNeil suggests that "These coupled equations were not actually derived by Maxwell and Bloch, but instead...
    9 KB (973 words) - 21:43, 31 December 2023
  • Thumbnail for Crystal momentum
    motion using the above equations, one need only consider external fields, while attempting the calculation from a set of equations of motion based on true...
    12 KB (1,474 words) - 19:16, 9 July 2024