1 Pc2 EMIC waves generated high off the equator in the dayside 2
... 7 keV during the wave event. This is favorable for the excitation of the EMIC waves [Cornwall, 1965; Arnoldy et al., 2005]. The total density of cold electrons determined from the WHISPER experiment (not shown here) was generally below 1 cm 3 in the outer magnetosphere. The wave vectors at Cluster s ...
... 7 keV during the wave event. This is favorable for the excitation of the EMIC waves [Cornwall, 1965; Arnoldy et al., 2005]. The total density of cold electrons determined from the WHISPER experiment (not shown here) was generally below 1 cm 3 in the outer magnetosphere. The wave vectors at Cluster s ...
The Virgo interferometer runs laser light back and forth inside two
... ways. Interferometers are not equally sensitive in all directions, and have blind spots. If the waves come from a direction for which LIGO is relatively ineffective, Virgo could add key information about the event that created them, says Virgo spokesman Fulvio Ricci, a physicist at the Sapienza Univ ...
... ways. Interferometers are not equally sensitive in all directions, and have blind spots. If the waves come from a direction for which LIGO is relatively ineffective, Virgo could add key information about the event that created them, says Virgo spokesman Fulvio Ricci, a physicist at the Sapienza Univ ...
Possibility of magnetospheric VLF response to atmospheric infrasonic waves
... description of the properties of wave perturbations with vertical scales of the order of the changes of the background atmospheric parameters, or greater, it is assumed that the use of models for wave-characteristics calculations is adequate. In this paper, we are interested in disturbances correspo ...
... description of the properties of wave perturbations with vertical scales of the order of the changes of the background atmospheric parameters, or greater, it is assumed that the use of models for wave-characteristics calculations is adequate. In this paper, we are interested in disturbances correspo ...
surface wave
... • Occurs when the radio channel contains objects whose sizes are on the order of the wavelength or less of the propagating wave and also when the number of obstacles are quite large. • They are produced by small objects, rough surfaces and other irregularities on the channel • Follows same principle ...
... • Occurs when the radio channel contains objects whose sizes are on the order of the wavelength or less of the propagating wave and also when the number of obstacles are quite large. • They are produced by small objects, rough surfaces and other irregularities on the channel • Follows same principle ...
g= -(1-~)dt2+(1- ~r! g= -(1-~)dt2+(1
... tees that any such distinction is locally unobservable, hence fundamentally devoid of physical meaning. The equivalence principle, however, holds also in pre-relativistic physics. Hence, strictly speaking, splitting the force that acts on a particle into a gravitational and an inertial part should b ...
... tees that any such distinction is locally unobservable, hence fundamentally devoid of physical meaning. The equivalence principle, however, holds also in pre-relativistic physics. Hence, strictly speaking, splitting the force that acts on a particle into a gravitational and an inertial part should b ...
ReviewWavesO
... - Dispersion - waves are slowed down by media, different frequency waves travel with different speeds - Reflection - waves encounter boundaries between media. Some energy is reflected. - Refraction - wave trajectories are bent when crossing from one medium to another. EM waves can take multiple path ...
... - Dispersion - waves are slowed down by media, different frequency waves travel with different speeds - Reflection - waves encounter boundaries between media. Some energy is reflected. - Refraction - wave trajectories are bent when crossing from one medium to another. EM waves can take multiple path ...
Properties of Waves .........................................................
... Waves transmit energy without transmitting matter. This means that waves can move energy (or information) from one place to another without moving any substance (stuff) from one place to another. The amount of energy which a wave has depends on its amplitude. Most waves move through substance but on ...
... Waves transmit energy without transmitting matter. This means that waves can move energy (or information) from one place to another without moving any substance (stuff) from one place to another. The amount of energy which a wave has depends on its amplitude. Most waves move through substance but on ...
The substance of gravity
... within the system of bodies, i.e., in the form of local gravitational potential, will escape as in the form of photon pairs to the sparser surrounding space. According to the principle of least action, the free energy in this form of energy density difference per length in the continuum limit will b ...
... within the system of bodies, i.e., in the form of local gravitational potential, will escape as in the form of photon pairs to the sparser surrounding space. According to the principle of least action, the free energy in this form of energy density difference per length in the continuum limit will b ...
The Jeans instability in smoothed particle hydrodynamics
... Each particle also has an individual gravity softening length Ei which evolves with time in step with h i so that e i (t)lh i (t) = K, where K is a constant of order unity. This is to ensure that the gravitational acceleration agrav and the hydrostatic acceleration ahy dro are softened/smoothed on t ...
... Each particle also has an individual gravity softening length Ei which evolves with time in step with h i so that e i (t)lh i (t) = K, where K is a constant of order unity. This is to ensure that the gravitational acceleration agrav and the hydrostatic acceleration ahy dro are softened/smoothed on t ...
general relativity and gravitational waves
... When we draw spherical coordinates on a sphere, and follow two lines, that are perpendicular to the equation, in the direction of the North pole, we observe that two initial parallel lines meet at a point on the curved surface. The fifth postulate of Euclid does not hold for a curved space: parallel ...
... When we draw spherical coordinates on a sphere, and follow two lines, that are perpendicular to the equation, in the direction of the North pole, we observe that two initial parallel lines meet at a point on the curved surface. The fifth postulate of Euclid does not hold for a curved space: parallel ...
Diffraction at Ultrasonic Waves
... The oscillating systems used for the production of ultrasound waves should be suitable for working with high frequencies. This means that all oscillating systems with spring and mass separated, which are used for the production of sound in the hearing range, can not be used to produce ultrasound sin ...
... The oscillating systems used for the production of ultrasound waves should be suitable for working with high frequencies. This means that all oscillating systems with spring and mass separated, which are used for the production of sound in the hearing range, can not be used to produce ultrasound sin ...
Gravitational Waves and the Origin of Gravitation Abstract:
... attraction dominates the gravitational, the radiation is electromagnetic, and the General Relativity formula gives the pulsar’s orbit precession. However, there are pulsars where the Magnetic attraction does not dominate the gravitational attraction, and the ...
... attraction dominates the gravitational, the radiation is electromagnetic, and the General Relativity formula gives the pulsar’s orbit precession. However, there are pulsars where the Magnetic attraction does not dominate the gravitational attraction, and the ...
Validation of the k-filtering technique for a signal composed
... of the Fourier-transformed magnetic field for four satellites. www.geosci-instrum-method-data-syst.net/3/247/2014/ ...
... of the Fourier-transformed magnetic field for four satellites. www.geosci-instrum-method-data-syst.net/3/247/2014/ ...
Spacetime is a manifold that is continuous and differentiable
... When we draw spherical coordinates on a sphere, and follow two lines, that are perpendicular to the equation, in the direction of the North pole, we observe that two initial parallel lines meet at a point on the curved surface. The fifth postulate of Euclid does not hold for a curved space: parallel ...
... When we draw spherical coordinates on a sphere, and follow two lines, that are perpendicular to the equation, in the direction of the North pole, we observe that two initial parallel lines meet at a point on the curved surface. The fifth postulate of Euclid does not hold for a curved space: parallel ...
Electromagnetic pulse from final gravitational stellar collapse
... neutrino diffusion and hydrodynamic infall means that the iron-core collapse is adiabatic, allowing a concise formulation for the conservation of energy. Previous work, Morley (2000), showed that neutrino transport in the iron-core was due to elastic scattering and typically ∼1000 collisions occurre ...
... neutrino diffusion and hydrodynamic infall means that the iron-core collapse is adiabatic, allowing a concise formulation for the conservation of energy. Previous work, Morley (2000), showed that neutrino transport in the iron-core was due to elastic scattering and typically ∼1000 collisions occurre ...
YJC2013 H2 Phy Topic 7 Gravitational field
... In the previous topic 5 on Work, Energy & Power, we have dealt with the calculation of gravitational potential energy (GPE) using the formula, mgh. This formula was applicable in that topic because we were dealing with situations where the height (measured from a certain reference level decided by y ...
... In the previous topic 5 on Work, Energy & Power, we have dealt with the calculation of gravitational potential energy (GPE) using the formula, mgh. This formula was applicable in that topic because we were dealing with situations where the height (measured from a certain reference level decided by y ...
INTERACTION OF LONGITUDINAL AND TRANSVERSE WAVES IN
... isotropic only in the vicinity of the point v = I (w2 ± wo)/(ki ± k2)1. In other regions, specifically, at lower velocities, it need not be isotropic (for example, a plasma in the presence of a beam with velocity much smaller than I(w2 ± w 0 )/ ( ki ± k2) I f'::i w2 I I ki 1. 1. We now consider damp ...
... isotropic only in the vicinity of the point v = I (w2 ± wo)/(ki ± k2)1. In other regions, specifically, at lower velocities, it need not be isotropic (for example, a plasma in the presence of a beam with velocity much smaller than I(w2 ± w 0 )/ ( ki ± k2) I f'::i w2 I I ki 1. 1. We now consider damp ...
II. Electromagnetic Radiation Basics
... vibrate back and forth while the sound wave is traveling forward at around 343 m/s. Compressions are regions where the air molecules are closest together in these little regions of air vibrating back and forth. Rarefactions are the regions of least air molecule density. The distance between successi ...
... vibrate back and forth while the sound wave is traveling forward at around 343 m/s. Compressions are regions where the air molecules are closest together in these little regions of air vibrating back and forth. Rarefactions are the regions of least air molecule density. The distance between successi ...