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Measure of the projected clustering of galaxies
The angular correlation function is a function which measures the projected clustering of galaxies, due to discrepancies between their actual and expected
Angular_correlation_function
Gravitational wave detection tool
Hellings–Downs curve is the expected correlations of the timing residuals from pairs of pulsars as a function of their angular separation on the sky as seen
Hellings–Downs_curve
Anomaly in cosmic microwave background
Uncorrelated Universe: Statistical Anisotropy and the Vanishing Angular Correlation Function in WMAP Years 1-3". Physical Review D. 75 (2) 023507. arXiv:astro-ph/0605135
Axis_of_evil_(cosmology)
Trace radiation from the early universe
variation is not significant and is removed by applying the angular correlation function, giving power spectrum term C ℓ ≡ ⟨ | a ℓ m | 2 ⟩ . {\displaystyle
Cosmic_microwave_background
Measure of linear correlation
In statistics, the Pearson correlation coefficient (PCC), also known as Pearson's r, the Pearson product-moment correlation coefficient (PPMCC), or simply
Pearson correlation coefficient
Pearson_correlation_coefficient
The perturbed γ-γ angular correlation, PAC for short or PAC-Spectroscopy, is a method of nuclear solid-state physics with which magnetic and electric
Perturbed_angular_correlation
Fluctuations in the density of the normal matter of the universe
gif Landy, S. D.; Szalay, A. S. (1993). "Bias and variance of angular correlation functions". The Astrophysical Journal. 412: 64. Bibcode:1993ApJ...412
Baryon_acoustic_oscillations
Diagrams in physical organic chemistry
Walsh diagrams, often called angular coordinate diagrams or correlation diagrams, are representations of calculated orbital binding energies of a molecule
Walsh_diagram
Experimental techniques of solid-state physics
Angular Correlation of Electron Positron Annihilation Radiation (ACAR or ACPAR) is a technique of solid state physics to investigate the electronic structure
Angular Correlation of Electron Positron Annihilation Radiation
Angular_Correlation_of_Electron_Positron_Annihilation_Radiation
Similarity measure for number sequences
cosine similarity. The complement of the angular distance metric can then be used to define angular similarity function bounded between 0 and 1, inclusive.
Cosine_similarity
Quantum number denoting orbital angular momentum
for an atomic orbital that determines its orbital angular momentum and describes aspects of the angular shape of the orbital. The azimuthal quantum number
Azimuthal_quantum_number
Computational quantum mechanical modelling method to investigate electronic structure
electron correlation. Since, DFT has become an important tool for methods of nuclear spectroscopy such as Mössbauer spectroscopy or perturbed angular correlation
Density_functional_theory
Formula used in radio astronomy
fields yields the complex degree of (second-order) coherence (correlation coefficient function): γ 12 ( τ ) = Γ 12 ( τ ) I 1 I 2 {\displaystyle \gamma _{12}(\tau
Van_Cittert–Zernike_theorem
Measure of covariance of components of a random vector
related to the covariance matrix is the matrix of Pearson product-moment correlation coefficients between each of the random variables in the random vector
Covariance_matrix
Set of functions used to represent the electronic wave function
more rapid basis set convergence than wave function methods. Adopting a similar methodology to the correlation-consistent series, Frank Jensen introduced
Basis_set_(chemistry)
Technique for determining size distribution of particles
analyzed using the intensity or photon autocorrelation function (also known as photon correlation spectroscopy – PCS or quasi-elastic light scattering –
Dynamic_light_scattering
Function describing an electron in an atom
one-determinant wave function at all. This is the case when electron correlation is large. Fundamentally, an atomic orbital is a one-electron wave function, even though
Atomic_orbital
Quantum correlations related to wave-particle duality
performed an experiment in 1959 in Berkeley and found an unexpected angular correlation among identical pions, discovering the ρ0 resonance, by means of
Hanbury Brown and Twiss effect
Hanbury_Brown_and_Twiss_effect
Theoretical framework in physics
propagator, two-point correlation function, two-point Green's function or two-point function for short. The free two-point function, also known as the Feynman
Quantum_field_theory
Mathematical transform that expresses a function of time as a function of frequency
takes a function as input and outputs another function that describes the extent to which various frequencies are present in the original function. The output
Fourier_transform
Formal constraint in quantum mechanics
respectively, the initial and final angular momenta of the atom. The corresponding quantum numbers λ and μ (z-axis angular momentum) must satisfy | J i − J
Selection_rule
Gravitational deflection of light
component at 45°. These correlation functions are typically computed by averaging over many pairs of galaxies. The last correlation function, ξ × + {\displaystyle
Weak_gravitational_lensing
Type of angular momentum in light
The orbital angular momentum of light (OAM) is the component of angular momentum of a light beam that is dependent on the field spatial distribution,
Orbital angular momentum of light
Orbital_angular_momentum_of_light
Signal with properties that vary cyclically with time
exhibit periodic statistical properties. The Spectral Correlation Function highlights correlations between frequencies separated by a cyclic frequency α
Cyclostationary_process
Pictorial representation of the behavior of subatomic particles
representation of a perturbative contribution to the transition amplitude or correlation function of a quantum mechanical or statistical field theory. Within the canonical
Feynman_diagram
Large-scale brain network active when not focusing on an external task
the medial prefrontal cortex, posterior cingulate cortex, precuneus and angular gyrus. It is best known for being active when a person is not focused on
Default_mode_network
Puzzle of disappearance of information in a black hole
electric charge and angular momentum of the initial state. Since many different states can have the same mass, charge and angular momentum, this suggests
Black hole information paradox
Black_hole_information_paradox
Symbols for constants, special functions
in radians Kendall tau rank correlation coefficient, a measure of rank correlation in statistics Ramanujan's tau function in number theory shear stress
Greek letters used in mathematics, science, and engineering
Greek_letters_used_in_mathematics,_science,_and_engineering
By computing angular intensity correlations for each image and averaging these over all snapshots, the average 2-point correlation function can be subjected
Fluctuation_X-ray_scattering
Relative importance of certain frequencies in a composite signal
{\displaystyle T\to \infty } becomes the Fourier transform of a cross-correlation function. S x y ( f ) = ∫ − ∞ ∞ [ lim T → ∞ 1 T ∫ − ∞ ∞ x T ∗ ( t − τ ) y
Spectral_density
Variable used for specification
Earth), there are two commonly used parametrizations of its position: angular coordinates (like latitude/longitude), which neatly describe large movements
Parameter
function. The approximation is named after Jerome K. Percus and George J. Yevick. The direct correlation function represents the direct correlation between
Percus–Yevick_approximation
Astrophysicist, researcher (born 1949)
nº 3; 1579. 1993, with Stephen D Landy, Bias and variance of angular correlation functions, in: The Astrophysical Journal. Vol. 412; 64–71. 1986, with
Alex_Szalay
Phenomenon of redshift in cosmology
potential hill. A signature of the late-time ISW is a non-zero cross-correlation function between the galaxy density (the number of galaxies per square degree)
Sachs–Wolfe_effect
Standard Model Local quantum physics Nonlocal Effective field theory Correlation function (quantum field theory) Renormalizable Cutoff Infrared divergence
List of mathematical topics in quantum theory
List_of_mathematical_topics_in_quantum_theory
Mathematical wave functions
wave function (such as antisymmetry under exchange of fermions) or restrict the wave function to specific quantum numbers, like total charge, angular momentum
Tensor_network
threshold. Weighted correlation networks facilitate a geometric interpretation based on the angular interpretation of the correlation, chapter 6 in. Resulting
Weighted correlation network analysis
Weighted_correlation_network_analysis
Pulsar with a rotational period less than about 10 milliseconds
gravitational waves would produce a quadrupolar correlation between different pulsar pairs as a function of their angular separations on the sky. This work was
Millisecond_pulsar
Operator in quantum field theory
operator defined from the momentum and angular momentum, used in the quantum-relativistic description of angular momentum. It is named after Wolfgang Pauli
Pauli–Lubanski_pseudovector
Theorem in physics
ISBN 978-0-486-65969-5. OCLC 1103789975. Wu, C.-S.; Shaknov, I. (1950). "The Angular Correlation of Scattered Annihilation Radiation". Physical Review. 77 (1): 136
Bell's_theorem
Clarity of vision
peripheral vision. The minimum angular resolution of the human eye is 28 arc seconds or 0.47 arc minutes; this gives an angular resolution of 0.008 degrees
Visual_acuity
Radar system that does not transmit
transmitter being exploited possesses a usable radar ambiguity function and hence cross-correlation yields a useful result. Some broadcast signals, such as analogue
Passive_radar
Tube attached to the intestine
(2023-09-23). "Correlation between the presence of a cecal appendix and reduced diarrhea severity in primates: new insights into the presumed function of the
Appendix_(anatomy)
Position that there is no relationship between two phenomena
null assumptions are used to directly advance a theory. For example, the angular momentum of the universe is zero. If not true, the theory of the early
Null_hypothesis
Model-free reinforcement learning algorithm
when a nonlinear function approximator such as a neural network is used to represent Q. This instability comes from the correlations present in the sequence
Q-learning
Theorem in quantum mechanics
that the observed relationship between the intrinsic spin of a particle (angular momentum not due to the orbital motion) and the quantum particle statistics
Spin–statistics_theorem
Set of bivariate correlations among galaxies
plane is a set of bivariate correlations connecting some of the properties of normal elliptical galaxies. Some correlations have been empirically shown
Fundamental plane (elliptical galaxies)
Fundamental_plane_(elliptical_galaxies)
Specific quantum state of a quantum harmonic oscillator
intensity correlations, second order coherence, at two detectors). Glauber's definition of quantum coherence involves nth-order correlation functions (n-th
Coherent_state
Mechanics concept
equation Perrin friction factors Rotational correlation time False diffusion This version of the angular diffusion equation assumes spherical symmetry
Rotational_diffusion
Quantity of resistance to torsional deformation
assuming that there is a 1:1 correlation between rotational velocity of turbine and the frequency of mains power. The angular frequency can be calculated
Second_polar_moment_of_area
Compact astronomical body
for the Hawking temperature of a Kerr-Newman black hole as a function of its mass 𝑀, angular moment 𝐽 and load 𝑄. As the black hole loses mass, its temperature
Black_hole
Circular statistical graph of proportionality
relationship to those segments of the outer circle which lie within the angular sweep of the parent segment. A variant of the polar area chart is the spie
Pie_chart
Exotic phase of matter formed by Rydberg atoms
restricted by the bonding requirement for strong electron correlation; it shows exchange-correlation properties similar to covalent bonding. Electronic excitation
Rydberg_matter
Physics phenomenon
1111/j.1749-6632.1946.tb31764.x. Wu, C. S.; Shaknov, I. (1950). "The Angular Correlation of Scattered Annihilation Radiation". Physical Review. 77 (1): 136
Quantum_entanglement
Ansatz in condensed matter physics
keep particles far apart in a very specific way, encoding correlations in the relative angular momentum channels. Haldane's idea was to build a Hamiltonian
Laughlin_wavefunction
Study of classical optics using Fourier transforms
principle, possible. Angular spectrum method Abbe sine condition Adaptive-additive algorithm Huygens–Fresnel principle Point spread function Phase contrast
Fourier_optics
Theorem relating stationary processes' autocorrelations and power spectra
the auto-correlation function. F {\displaystyle F} is called the power spectral distribution function and is a statistical distribution function. It is
Wiener–Khinchin_theorem
Technique in physical chemistry
are used to measure the scattering intensity at one or many angles. The angular dependence is required to obtain accurate measurements of both molar mass
Static_light_scattering
Mathematical entity to describe the probability of each possible measurement on a system
relevant pure states are identified by the principal quantum number n, the angular momentum quantum number ℓ, the magnetic quantum number m, and the spin
Quantum_state
Mathematical term
and after the shear. This invariance of slope differences makes slope an angular invariant measure, on a par with circular angle (invariant under rotation)
Slope
Gravitational-wave astronomy technique
quadrupolar correlation between arrival times of pulses emitted by different millisecond pulsar pairings that depends only on the pairings' angular separations
Pulsar_timing_array
Dirac equation for self-interacting fermions
of gravity, which extends general relativity to matter with intrinsic angular momentum (spin). This theory removes a constraint of the symmetry of the
Nonlinear_Dirac_equation
Experimental technique to determine the distribution of electrons in solids
energy-momentum space. In the case of increased electron correlations, the spectral function broadens and starts developing richer features that reflect
Angle-resolved photoemission spectroscopy
Angle-resolved_photoemission_spectroscopy
Type of mechanism
movements. A transfer function model between the perceived angular displacement y ( s ) {\displaystyle y(s)} and the actual angular displacement p h i (
Motion_simulator
Type of image noise
"Space Intensity Correlations in the Near Field of the Scattered Light: A Direct Measurement of the Density Correlation Function g(r)". Physical Review
Speckle_(interference)
Type of chart
radar chart is a chart and/or plot that consists of a sequence of equi-angular spokes, called radii, with each spoke representing one of the variables
Radar_chart
constant kAB for the transition from A to B is derived from the correlation function C ( t ) = ⟨ h A ( 0 ) h B ( t ) ⟩ ⟨ h A ⟩ {\displaystyle C(t)={\frac
Transition_path_sampling
Quantum states of two qubits
predicts perfect correlations. In a more refined formulation known as the Bell–CHSH inequality, it is shown that a certain correlation measure cannot exceed
Bell_state
Paradigmatic model
the other one diagonal in angular position basis) allows to easily numerically solve the evolution of a given wave function using split-step method. Because
Kicked_rotator
Speech processing areas of the brain
Broca's and Wernicke's areas, and the angular gyrus. Broca's Area was first suggested to play a role in speech function by the French neurologist and anthropologist
Language_center
Optical phenomenon
actual equation) consisting of the Bessel function. Photons in a hypergeometric-Gaussian beam have an orbital angular momentum of mħ. The integer m also gives
Optical_vortex
Subdiscipline of statistics
methods are required for the analysis of some types of data (in this case, angular data). Other examples of data that may be regarded as directional include
Directional_statistics
Relativistic wave equation describing massless fermions
helicity λ {\displaystyle \lambda } of the particles, the projection of angular momentum operator J {\displaystyle \mathbf {J} } onto the linear momentum
Weyl_equation
Axiomatization of quantum field theory
Poincaré group acts unitarily. In this way, the concepts of energy, momentum, angular momentum and center of mass (corresponding to boosts) are implemented.
Wightman_axioms
Type of structure in atomic physics
are nuclear magnetic resonance, Mössbauer spectroscopy, perturbed angular correlation, and high-resolution inelastic neutron scattering. The atomic vapor
Hyperfine_structure
Method in computational chemistry
orientational (angular) degrees of freedom. The MOZ equation splits the total correlation function in two. First the direct correlation function c(r), concerned
Solvent_model
Mathematical function, used to describe magnetization
Langevin functions are a pair of special functions that appear when studying an idealized paramagnetic material in statistical mechanics. These functions are
Brillouin and Langevin functions
Brillouin_and_Langevin_functions
Network where the ties among nodes have weights assigned to them
(modules) in weighted networks. For weighted correlation networks, one can use the angular interpretation of correlations to provide a geometric interpretation
Weighted_network
Second-rank tensor in quantum chromodynamics
traceless Hermitian matrix-valued functions, while A μ a {\displaystyle {\mathcal {A}}_{\mu }^{a}} are 32 real-valued functions, the four components for each
Gluon_field_strength_tensor
Description of physical properties at the atomic and subatomic scale
bound states that are quantized to discrete values of energy, momentum, angular momentum, and other quantities, in contrast to classical systems where
Quantum_mechanics
Gravitational force exerted by the planet Mars
gravity anomaly, and crustal thickness. In some areas of Mars there is a correlation between gravity anomalies and topography. Given the known topography
Gravity_of_Mars
Deviation of a physical system from being a harmonic oscillator
(1996), "Vibrational wave functions and spectroscopy of (H2O)n, n=2,3,4,5: Vibrational self-consistent field with correlation corrections", J. Chem. Phys
Anharmonicity
Mathematical analysis technique
stopwatch, differences in estimating when the pendulum has reached its maximum angular travel, and so forth; all these things interact to produce variation in
Experimental uncertainty analysis
Experimental_uncertainty_analysis
Region of the parietal lobe of the brain
figure) and is connected with the inferior parietal lobule particularly the angular gyrus and prefrontal areas 10, 46 and 8. No connections exist with premotor
Precuneus
Image edge detection algorithm
these kernels. He defined the operators as neighborhood masks (i.e. correlation kernels), and therefore are mirrored from what described here as convolution
Sobel_operator
Coefficients coupled with angular momentum
an alternative to Clebsch–Gordan coefficients for the purpose of adding angular momenta. While the two approaches address exactly the same physical problem
3-j_symbol
Particle outflow from an accretion disk
magnetohydrodynamic winds (MHD winds). One important function of the MHD wind is that it transports angular momentum away from the disk and the protostar. If
Disk_wind
Mathematical equation
{r} ,t)}}.} For isotropic turbulence, this correlation tensor can be expressed in terms of two scalar functions, using the invariant theory of full rotation
Kármán–Howarth_equation
Tensor operator generalizes the notion of operators which are scalars and vectors
basis closely relates to the description of angular momentum in quantum mechanics and spherical harmonic functions. The coordinate-free generalization of a
Tensor_operator
Foundational principle in quantum physics
One example is a quantum particle on a ring, where the wave function depends on an angular variable θ {\displaystyle \theta } in the interval [ 0 , 2 π
Uncertainty_principle
Study of physics on quintillionth-second timescales
topics in this field are: Atomic physics: investigation of electron correlation effects, photo-emission delay and ionization tunneling. Molecular physics
Attosecond_physics
Anomalous microwave emission was first seen as a surprising statistical correlation of microwave sky variations with far infrared (FIR) emission (Kogut et
Spinning_dust
Distribution used in collider collisions
TMDs access the correlations between a parton orbital angular momentum (OAM) and the hadron/parton spin because they require wave function components with
Transverse momentum distributions
Transverse_momentum_distributions
Magnetic moment of an atomic nucleus
resonance (NMR) ~ ms Time differential perturbed angular distribution (TDPAD) ~ μs Perturbed angular correlation (PAC) ~ ns Time differential recoil into vacuum
Nuclear_magnetic_moment
Electromagnetic phenomenon
magnetic waves. In fact, the spherical harmonic function (sin θ) responsible for such toroidal angular distribution is precisely the l = 1 "p" wave. The
Dipole
Notation in physics and chemistry
term symbol is a shorthand expression of the group representation and angular momenta that characterize the state of a molecule, i.e. its electronic
Molecular_term_symbol
Succession of methods by which astronomers determine the distances to celestial objects
distances to more distant objects are all based on various measured correlations between methods that work at close distances and methods that work at
Cosmic_distance_ladder
Properties underlying modern physics
keep the first order term, and substitute the angular momentum operator components. The z-component of angular momentum can be replaced by the component along
Symmetry_in_quantum_mechanics
Elementary particle or quantum of light
carries spin angular momentum, which is related to photon polarization. (Beams of light also exhibit properties described as orbital angular momentum of
Photon
Force resulting from the quantisation of a field
single integral. The q in front is the Jacobian, and the 2π comes from the angular integration. The integral converges if Re(s) > 3, resulting in ⟨ E ( s
Casimir_effect
ANGULAR CORRELATION-FUNCTION
ANGULAR CORRELATION-FUNCTION
Girl/Female
Muslim
Unique, Singular
Girl/Female
Afghan, American, British, Christian, English, Finnish, French, Greek, Indian, Irish, Lebanese, Polish, Portuguese, Romanian, Spanish, Swedish, Tamil
Heavenly Messenger; Angel; Messenger from God
Girl/Female
Christian & English(British/American/Australian)
Angelic
Boy/Male
Hindu, Indian, Tamil
Regular Winner
Boy/Male
Arabic, Hindu, Indian, Muslim
Shining
Girl/Female
Indian, Tamil
Lovely; Kind-hearted
Girl/Female
French Spanish American Italian Latin Greek
Angel.
Female
English
Feminine form of Latin Angelus, ANGELA means "angel, messenger."
Girl/Female
Arabic, Muslim
Unique; Singular
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Sindhi, Tamil, Telugu
Not Wild; Gentle
Girl/Female
American, Australian, British, English
Beautiful Goddess
Girl/Female
Biblical
Punishment, correction.
Biblical
punishment; correction
Boy/Male
Indian, Sanskrit
Radiant; Bright; Enlightening
Boy/Male
Gujarati, Hindu, Indian, Kannada
Spark of Fire
Girl/Female
Indian
Unique, Singular
Boy/Male
Arabic, Muslim, Parsi, Pashtun
Embers
Girl/Female
Muslim
Unique, Singular, Exclusive
Boy/Male
Indian, Sanskrit
Praising; A Hymn
Boy/Male
Hindu, Indian, Kannada, Tamil
Witty; Super
ANGULAR CORRELATION-FUNCTION
ANGULAR CORRELATION-FUNCTION
Girl/Female
Danish, Hindu, Indian, Marathi, Sanskrit, Tamil
Braid
Female
Spanish
 Portuguese and Spanish feminine form of Latin Gabrielus, GABRIELA means "man of God" or "warrior of God." Compare with another form of Gabriela.
Male
English
Anglicized form of Irish Gaelic Alasdair, ALYSDAIR means "defender of mankind."
Boy/Male
Hindu
It is derived from Dhruv meaning constant or polestar
Girl/Female
Arabic, Australian, Italian, Muslim
Call
Girl/Female
African, American, Australian, British, Christian, Czechoslovakian, Danish, English, German, Greek, Indian, Romanian, Swahili, Ukrainian
Name; A Beauty; Welcoming; Name of a Flower; Hospitable; Guest Stranger; Of Zeus; Best
Girl/Female
Australian, Gujarati, Hindu, Indian, Sikh
Friendly with Everyone
Girl/Female
Muslim
Brilliant, Lustrous, Shining
Boy/Male
Hindu, Indian
Blue Eyes Boy
Female
Scandinavian
Scandinavian and Slavic form of Greek Maia, MAJA means "nursing mother."
ANGULAR CORRELATION-FUNCTION
ANGULAR CORRELATION-FUNCTION
ANGULAR CORRELATION-FUNCTION
ANGULAR CORRELATION-FUNCTION
ANGULAR CORRELATION-FUNCTION
pl.
of Ungula
a.
Conformed to a rule; agreeable to an established rule, law, principle, or type, or to established customary forms; normal; symmetrical; as, a regular verse in poetry; a regular piece of music; a regular verb; regular practice of law or medicine; a regular building.
a.
Each; individual; as, to convey several parcels of land, all and singular.
n.
An allowance made for inaccuracy in an instrument; as, chronometer correction; compass correction.
a.
Constituted, selected, or conducted in conformity with established usages, rules, or discipline; duly authorized; permanently organized; as, a regular meeting; a regular physican; a regular nomination; regular troops.
a.
Pertaining to, or having the form of, a ring; forming a ring; ringed; ring-shaped; as, annular fibers.
n.
The singular number, or the number denoting one person or thing; a word in the singular number.
adv.
In an angular manner; angularly.
a.
Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp-cornered; pointed; as, an angular figure.
a.
Measured by an angle; as, angular distance.
a.
Thorough; complete; unmitigated; as, a regular humbug.
a.
Of or pertaining to the jugular vein; as, the jugular foramen.
n.
Abatement of noxious qualities; the counteraction of what is inconvenient or hurtful in its effects; as, the correction of acidity in the stomach.
a.
Not angular.
a.
Fig.: Lean; lank; raw-boned; ungraceful; sharp and stiff in character; as, remarkably angular in his habits and appearance; an angular female.
a.
Having the form of a ring; annular.
n.
Reciprocal relation; corresponding similarity or parallelism of relation or law; capacity of being converted into, or of giving place to, one another, under certain conditions; as, the correlation of forces, or of zymotic diseases.
v. t.
To make angular.
a.
Having all the parts of the same kind alike in size and shape; as, a regular flower; a regular sea urchin.
adv.
In an angular manner; with of at angles or corners.