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Idea in quantum gravity
Induced gravity (or emergent gravity) is an idea in quantum gravity that spacetime curvature and its dynamics emerge as a mean field approximation of
Induced_gravity
Attraction of masses and energy
In physics, gravity (from Latin gravitas 'weight'), also known as gravitation or a gravitational interaction, is a fundamental interaction, which may
Gravity
Theory in modern physics that describes gravity as an entropic force
Entropic gravity, also known as emergent gravity, is a theory in modern physics that describes gravity as an entropic force—a force with macro-scale homogeneity
Entropic_gravity
Classical statement of gravity as force
Newton's law of universal gravitation describes gravity as a force by stating that every particle attracts every other particle in the universe with a
Newton's law of universal gravitation
Newton's_law_of_universal_gravitation
Description of gravity using discrete values
Quantum gravity (QG) is a field of theoretical physics that seeks unification of the theory of gravity with the principles of quantum mechanics. It deals
Quantum_gravity
Theory of quantum gravity merging quantum mechanics and general relativity
Loop quantum gravity (LQG) is a theory of quantum gravity that incorporates matter of the Standard Model into the framework established for the intrinsic
Loop_quantum_gravity
Linear perturbations to solutions of nonlinear Einstein field equations
gravity is the application of perturbation theory to the metric tensor that describes the geometry of spacetime. As a consequence, linearized gravity
Linearized_gravity
Theory of gravitation as curved spacetime
known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in
General_relativity
Theory of quantum gravity
Hořava–Lifshitz gravity (or Hořava gravity) is a theory of quantum gravity proposed by Petr Hořava in 2009. It solves the problem of different concepts
Hořava–Lifshitz_gravity
Nonpertubative field theoretic approach to quantum gravity
Shaposhnikov and Christof Wetterich in 2010. Depending on the sign of the gravity induced anomalous dimension A λ {\displaystyle A_{\lambda }} there are two
Physics applications of asymptotically safe gravity
Physics_applications_of_asymptotically_safe_gravity
Theory extending Einstein gravity
Quadratic gravity (QG) is an extension of general relativity obtained by adding all local quadratic-in-curvature terms to the Einstein–Hilbert Lagrangian
Quadratic_gravity
Model of gravity with dilation
theoretical physics, Jackiw–Teitelboim gravity, also known as JT gravity or the R=T model, is a theory of gravity with a dilaton in one spatial and one
Jackiw–Teitelboim_gravity
Gravitational force exerted by the planet Mars
The gravity of Mars is a natural phenomenon, due to the law of gravity, or gravitation, by which all things with mass around the planet Mars are brought
Gravity_of_Mars
Restatement of Newton's law of universal gravitation
In physics, Gauss's law for gravity, also known as Gauss's flux theorem for gravity, is a law of physics that is equivalent to Newton's law of universal
Gauss's_law_for_gravity
Gravity filtration is a method of filtering impurities from solutions by using gravity to pull liquid through a filter. The two main kinds of filtration
Gravity_filtration
Physical theory with matter as quantum fields but gravity as a classical field
Semiclassical gravity is an approximation to the theory of quantum gravity in which one treats matter and energy fields as being quantum and the gravitational
Semiclassical_gravity
Field theory in physics that aims to unify the fundamental forces and particles
of field theory that allows all fundamental forces of nature, including gravity, and all elementary particles to be written in terms of a single physical
Unified_field_theory
Approach to quantum gravity utilizing Wick rotations
physics, Euclidean quantum gravity is a version of quantum gravity. It seeks to use the Wick rotation to describe the force of gravity according to the principles
Euclidean_quantum_gravity
Proposed theories of gravity
ideal theory of gravity. These attempts can be split into four broad categories based on their scope: Classical theories of gravity, which do not involve
Alternatives to general relativity
Alternatives_to_general_relativity
Attempt to describe spacetime and associated phenomena in terms of geometry
quantum gravity. The philosophical program also continues to motivate several prominent contributors. Topological ideas in the realm of gravity date back
Geometrodynamics
their specific gravity. In the 6th century AD, Byzantine Alexandrian scholar John Philoponus modified the Aristotelian concept of gravity with the theory
History of gravitational theory
History_of_gravitational_theory
Analogies between Maxwell's and Einstein's field equations
that predicted by a purely Newtonian gravity (gravitoelectric) field. More subtle predictions, such as induced rotation of a falling object and precession
Gravitoelectromagnetism
Hypothetical particle
theory's compactifications of extra dimensions. In Brans–Dicke theory of gravity, Newton's constant is not presumed to be constant but instead 1/G is replaced
Dilaton
Comformal theory of gravity
The Hoyle–Narlikar theory of gravity is a Machian and conformal theory of gravity proposed by Fred Hoyle and Jayant Narlikar that originally fits into
Hoyle–Narlikar theory of gravity
Hoyle–Narlikar_theory_of_gravity
Topics referred to by the same term
Emergent gravity may refer to Induced gravity, a theory proposed by Andrei Sakharov in 1967, Entropic gravity, a theory proposed by Erik Verlinde in 2009
Emergent_gravity
9/11 conspiracy theories
structural mechanics and structural engineering accept the model of a fire-induced, gravity-driven collapse of the World Trade Center buildings, an explanation
World Trade Center controlled demolition conspiracy theories
World_Trade_Center_controlled_demolition_conspiracy_theories
Gravity theories that are invariant under Weyl transformations
Conformal gravity refers to gravity theories that are invariant under conformal transformations in the Riemannian geometry sense; more accurately, they
Conformal_gravity
Classical theory of gravitation
theory gravity Loop quantum gravity Cabral, Francisco; Lobo, Francisco S. N.; Rubiera-Garcia, Diego (December 2019). "Einstein–Cartan–Dirac gravity with
Einstein–Cartan_theory
Theories of higher-dimensional general relativity
Higher-dimensional Einstein gravity is any of various physical theories that attempt to generalize to higher dimensions various results of the standard
Higher-dimensional Einstein gravity
Higher-dimensional_Einstein_gravity
Concept in quantum physics
a candidate. It is thought to have connections to gravity, and the possibility of induced gravity, following the work of Jacobson, and ideas of Sakharov
Entropy_of_entanglement
Hypothetical elementary particle that mediates gravity
In theories of quantum gravity, the graviton is the hypothetical elementary particle that mediates the force of gravitational interaction. It is a quantum
Graviton
Constraints on possible particle properties
∇ μ {\displaystyle \nabla ^{\mu }} is the covariant derivative. In induced gravity, the fundamental theory is also diffeomorphism invariant and the same
Weinberg–Witten_theorem
Scientific device
and after a collision. The track can be used to calculate the force of gravity when placed at an angle. It was invented in the early 1960s at the California
Air_track
Proposed theories of gravity
Bimetric gravity or bigravity refers to two different classes of theories. The first class of theories relies on modified mathematical theories of gravity (or
Bimetric_gravity
Hypothetical physical concept
fundamental interactions: electromagnetism, strong and weak nuclear forces, and gravity. Finding such a theory of everything is one of the major unsolved problems
Theory_of_everything
Geometric algebra approach to gravity
Gauge theory gravity (GTG) is a theory of gravitation cast in the mathematical language of geometric algebra. To those familiar with general relativity
Gauge_theory_gravity
Tensor field in Riemannian geometry
mathematical tool in the theory of general relativity, the modern theory of gravity. The curvature of spacetime is in principle observable via the geodesic
Riemann_curvature_tensor
Hypothesis proposing a modification of Newton's laws
attributed to dark matter actually require a modification of the laws of gravity? More unsolved problems in physics Modified Newtonian dynamics (MOND) is
Modified_Newtonian_dynamics
Theory of gravity
In general relativity, Gauss–Bonnet gravity, also referred to as Einstein–Gauss–Bonnet gravity, is a modification of the Einstein–Hilbert action to include
Gauss–Bonnet_gravity
Class of models of gravitation treating gravitons as composite particles
In theoretical physics, composite gravity refers to models that attempted to derive general relativity in a framework where the graviton is constructed
Composite_gravity
Soviet nuclear physicist and human rights activist (1921–1989)
wormhole model. Sakharov also proposed the idea of induced gravity as an alternative theory of quantum gravity. Since the late 1950s Sakharov had become concerned
Andrei_Sakharov
Hypothetical approach to quantum gravity with emergent spacetime
Ambjørn and Jerzy Jurkiewicz, is an approach to quantum gravity that, like loop quantum gravity, is background independent. This means that it does not
Causal dynamical triangulation
Causal_dynamical_triangulation
Relativistic generalization of Mordehai Milgrom's MOND paradigm
Tensor–vector–scalar gravity (TeVeS), developed by Jacob Bekenstein in 2004, is a relativistic generalization of Mordehai Milgrom's Modified Newtonian
Tensor–vector–scalar_gravity
Theory of fundamental physics
potential. Analog models of gravity Acoustic metric Casimir effect Dilatonic quantum gravity Hawking radiation Induced gravity Logarithmic Schrödinger equation
Superfluid_vacuum_theory
In theoretical physics, Lovelock's theory of gravity (often referred to as Lovelock gravity) is a generalization of Einstein's theory of general relativity
Lovelock_theory_of_gravity
Physics theory
Rainbow gravity (or "gravity's rainbow") is a theory that different wavelengths of light experience different gravity levels and are separated in the
Rainbow_gravity_theory
Brans–Dicke Scalar–tensor–vector Conformal gravity Scalar theories Nordström Whitehead Geometrodynamics Induced gravity Degenerate Higher-Order Scalar-Tensor
Chasles'_theorem_(gravity)
Attempt to find a consistent theory of quantum gravity
Although originally proposed by Steven Weinberg to find a theory of quantum gravity, the idea of a nontrivial fixed point providing a possible UV completion
Asymptotic_safety
Formulation of general relativity
physics, canonical quantum gravity is an attempt to quantize the canonical formulation of general relativity (or canonical gravity). It is a Hamiltonian formulation
Canonical_quantum_gravity
Theory of gravity
physics, f(R) is a type of modified gravity theory which generalizes Einstein's general relativity. f(R) gravity is actually a family of theories, each
F(R)_gravity
Assignment of numbers to points in space
doi:10.1103/PhysRevD.23.347. Cervantes-Cota, J. L.; Dehnen, H. (1995). "Induced gravity inflation in the SU(5) GUT". Phys. Rev. D. 51 (2): 395–404. arXiv:astro-ph/9412032
Scalar_field
Modified theory of gravity developed by John Moffat
Scalar–tensor–vector gravity (STVG) is a modified theory of gravity developed by John Moffat, a researcher at the Perimeter Institute for Theoretical Physics
Scalar–tensor–vector_gravity
Theory proposed by Roger Penrose
theories, but its gravity degrees of freedom gave rise to a version of conformal supergravity limiting its applicability; conformal gravity is an unphysical
Twistor_theory
Theory of gravity on antimatter
As was predicted by most physicists, the experiment showed that Earth's gravity attracts antimatter at the same rate as matter, within experimental error
Gravitational interaction of antimatter
Gravitational_interaction_of_antimatter
Kinetic theory of gravity
Le Sage's theory of gravitation is a kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges-Louis Le
Le Sage's theory of gravitation
Le_Sage's_theory_of_gravitation
Theory of gravity in which the graviton has nonzero mass
In theoretical physics, massive gravity is a theory of gravity that modifies general relativity by endowing the graviton with a nonzero mass. In the classical
Massive_gravity
Classical field theory describing gravitation
After the formulation of Yang–Mills theory, there were efforts to write gravity into a gauge field theory like the other forces in the Standard Model of
Poincaré_gauge_theory
Approach to quantum gravity using discrete spacetime
The causal sets program is an approach to quantum gravity. Its founding principles are that spacetime is fundamentally discrete (a collection of discrete
Causal_sets
Theory of gravity
(also called teleparallel gravity), was an attempt by Albert Einstein to base a unified theory of electromagnetism and gravity on the mathematical structure
Teleparallelism
General relativity in 2+1 dimensions
Because of this property, (2+1)-dimensional topological gravity (2+1D topological gravity) is a topological quantum field theory: the global structure
(2+1)-dimensional topological gravity
(2+1)-dimensional_topological_gravity
Early attempts to explain gravity
kinetic theories of gravitation) are attempts to explain the action of gravity by aid of basic mechanical processes, such as pressure forces caused by
Mechanical explanations of gravitation
Mechanical_explanations_of_gravitation
Italian computer scientist
University of Florence Known for Braunstein-Ghosh-Severini Entropy Induced gravity Quantum contextuality Awards Royal Society University Research Fellowship
Simone_Severini
Aspect of theoretical physics
the 1960s as a new approach to the unification of quantum theory with gravity. Twistor space is a three-dimensional complex projective space in which
Twistor_string_theory
Fringe theory of physics
presented as an extension of the Grand Unified Theory program, incorporating gravity and fermions. The theory received a flurry of media coverage, but was also
An Exceptionally Simple Theory of Everything
An_Exceptionally_Simple_Theory_of_Everything
Proposed theory of gravitation
Faroni, Valerio (1999). "Illusions of general relativity in Brans-Dicke gravity". Phys. Rev. D59 (8) 084021. arXiv:gr-qc/9902083. Bibcode:1999PhRvD..59h4021F
Brans–Dicke_theory
Modern theory of gravitation that combines supersymmetry and general relativity
supersymmetry as a gauge theory makes gravity arise in a natural way. Like all covariant approaches to quantum gravity, supergravity contains a spin-2 field
Supergravity
Unified field theory
like ordinary gravity in free space, except that it is phrased in five dimensions instead of four. The equations governing ordinary gravity in free space
Kaluza–Klein_theory
Theory of gravity
and that it has proven very difficult to construct a theory of quantum gravity which goes over to general relativity in an appropriate limit. However
Yilmaz_theory_of_gravitation
1922 theory, now obsolete
ISBN 978-1-107-60052-2. Bain, Jonathan (1998). "Whitehead's Theory of Gravity". Stud. Hist. Phil. Mod. Phys. 29 (4): 547–574. Bibcode:1998SHPMP..29.
Whitehead's theory of gravitation
Whitehead's_theory_of_gravitation
Toy model of general relativity
will turn the 2+1D model into one admitting mixed propagating dilaton-gravity waves, as well as making the 1+1D model geometrically nontrivial locally
CGHS_model
Hypothetical gravitational particle
The pressuron is a hypothetical scalar particle which couples to both gravity and matter theorised in 2013. Although originally postulated without self-interaction
Pressuron
Theories on 2001 terror attacks in U.S.
structural mechanics and structural engineering accept the model of a fire-induced, gravity-driven collapse of the World Trade Center buildings without the use
9/11_conspiracy_theories
simply replace the divergence operator in the field equation of Newtonian gravity with the d'Alembertian operator ◻ = ∂ t 2 − ∇ 2 {\displaystyle \square
Scalar theories of gravitation
Scalar_theories_of_gravitation
Theory of gravity
Higher-Order Scalar-Tensor theories (or DHOST theories) are theories of modified gravity. They have a Lagrangian containing second-order derivatives of a scalar
Degenerate Higher-Order Scalar-Tensor theories
Degenerate_Higher-Order_Scalar-Tensor_theories
Proposed model of gravity
The Dvali–Gabadadze–Porrati (DGP) model is a model of gravity proposed by Gia Dvali, Gregory Gabadadze, and Massimo Porrati in 2000. The model is popular
DGP_model
Gauge vector–tensor gravity (GVT) is a relativistic generalization of Mordehai Milgrom's modified Newtonian dynamics (MOND) paradigm where gauge fields
Gauge_vector–tensor_gravity
Theory of gravity
AQUAL is a theory of gravity based on Modified Newtonian Dynamics (MOND), but using a Lagrangian. It was developed by Jacob Bekenstein and Mordehai Milgrom
AQUAL
Approximation method for general relativity in physics
It is used as a tool to compare non-linear Einsteinian gravity to simpler Newtonian gravity in the limit in which the gravitational field is weak and
Parameterized post-Newtonian formalism
Parameterized_post-Newtonian_formalism
Theory of gravity
Infinite derivative gravity is a theory of gravity which attempts to remove cosmological and black hole singularities by adding extra terms to the Einstein–Hilbert
Infinite_derivative_gravity
Minor earthquakes and tremors caused by human activity
every year from 2004 to 2009. The Human-Induced Earthquake Database (HiQuake) documents all reported cases of induced seismicity proposed on scientific grounds
Induced_seismicity
Conduit which removes wastewater by use of gravity
and the term gravity excludes water movement induced through force mains or vacuum sewers. Most sewers are gravity sewers because gravity offers reliable
Gravity_sewer
Concept in physics
theory: a nonsymmetric tensor composed of a symmetric part representing gravity, and an antisymmetric part that represents electromagnetism. Research in
Nonsymmetric gravitational theory
Nonsymmetric_gravitational_theory
2017 video game
Gravity Rush 2, known in Japan as Gravity Daze 2, is a 2017 action-adventure game developed and published by Sony Interactive Entertainment for the PlayStation
Gravity_Rush_2
Bi-scalar tensor vector gravity theory (BSTV) is an extension of the tensor–vector–scalar gravity theory (TeVeS). TeVeS is a relativistic generalization
Bi-scalar tensor vector gravity
Bi-scalar_tensor_vector_gravity
Theoretical model of gravity
torsion. Thus the world crystal represents a model for emergent or induced gravity in an Einstein–Cartan theory of gravitation (which embraces Einstein's
World_crystal
Field of research
processes include electrostatic separation, magnetic separation, and induced gravity separation. The extraction of metals from either a raw material, or
Astrometallurgy
Predecessor to the theory of relativity
term expresses the fact that Einstein gravity is slightly stronger "at corresponding points" than Nordström gravity. The tidal tensor measured by a static
Nordström's theory of gravitation
Nordström's_theory_of_gravitation
Physical constant for the strength of gravity induced by a mass
empirical physical constant that gives the strength of the gravitational field induced by a mass. It is involved in the calculation of gravitational effects in
Gravitational_constant
California roadside attraction
as a "gravity house", a structure built to give the interior visitors tilt-induced optical illusions, similar to the perspective on a gravity hill. Occupants
Confusion_Hill
Award
controlled thermonuclear reactions, baryon synthesis and proton decay, induced gravity and the quark model 1986 Leo P. Kadanoff Physics For contributions
Elliott_Cresson_Medal
Conformal anomaly free CGHS model
Brans–Dicke Scalar–tensor–vector Conformal gravity Scalar theories Nordström Whitehead Geometrodynamics Induced gravity Degenerate Higher-Order Scalar-Tensor
RST_model
Theory of gravity
gravitons and may, in turn, connect with the polarizable vacuum approach. Induced gravity (for Sakharov's proposal) Maxwell's equations in curved spacetime Electromagnetic
Polarizable_vacuum
Canadian theoretical physicist, author of books on Black Hole physics
explanation of the black hole entropy based on Sakharov's ideas of induced gravity. During the same period of time, he also studied cosmic strings, their
Valeri_Frolov_(physicist)
Periodic change in the direction of a rotation axis
precession of Mercury. In astronomy, precession refers to any of several gravity-induced, slow and continuous changes in an astronomical body's rotational axis
Precession
Atmospheric scientist
Study of Zonal Forcing in the Equatorial Stratosphere by Convectively Induced Gravity Waves". Journal of the Atmospheric Sciences. 54 (3): 408–419. Bibcode:1997JAtS
M._Joan_Alexander
Aerial bomb without guidance, designed for ballistic delivery
An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is an aircraft-dropped bomb (conventional or nuclear) that does
Unguided_bomb
Slovenian theoretical physicist
1-5 arXiv: gr-qc/0101075 [gr-qc] M. Pavšič. The Embedding model of induced gravity with bosonic sources. Found.Phys. 24 (1994) 1495-1518. M. Pavšič. The
Matej_Pavšič
Aspect of relativity in physics
mechanics, does not provide for their existence, instead asserting that gravity has instantaneous effect everywhere. Gravitational waves therefore stand
Gravitational_wave
Training done by aviators and astronauts
subject to high levels of acceleration ('g'). It is designed to prevent a g-induced loss of consciousness (g-LOC), a situation when the action of g-forces
High-g_training
An-Zhong (2005). "Crossing w = −1 in Gauss–Bonnet Brane World with Induced Gravity". Communications in Theoretical Physics. 44 (5): 948–954. arXiv:hep-th/0505186
Anzhong_Wang
INDUCED GRAVITY
INDUCED GRAVITY
Surname or Lastname
English
English : reduced form of Stevens.
Surname or Lastname
English
English : reduced form of Pettaway.
Surname or Lastname
English
English : reduced form of Postlethwait.
Surname or Lastname
English
English : reduced form of Calverley.
Boy/Male
Sikh
Illuminated, infused lamp, Bright future
Surname or Lastname
English
English : reduced form of Challender.
Surname or Lastname
English
English : reduced form of Goodenough.
Surname or Lastname
English
English : reduced form of Moberley.
Boy/Male
Sikh
Illuminated, infused lamp, Bright future
Surname or Lastname
Reduced form of Irish McCann.English
Reduced form of Irish McCann.English : habitational name from Cann, a place in Dorset, named from Old English canna ‘can’, used in the transferred sense of a deep valley, or a topographic name from the same word used elsewhere in southwestern England.Americanized spelling of Kann or Kahn.
Surname or Lastname
English
English : reduced form of Buttery.
Girl/Female
Indian, Punjabi, Sikh
Illuminated; Infused Lamp
Surname or Lastname
English
English : reduced form of Elkins.
Surname or Lastname
English
English : reduced form of Betteridge.
Surname or Lastname
English
English : reduced form of Gunnison.
Surname or Lastname
Reduced form of Irish McCarley.English
Reduced form of Irish McCarley.English : habitational name from the hamlet of Carley in Lifton, Devon, possibly named with Cornish ker ‘fort’ + Old English lēah ‘woodland clearing’.Perhaps an Americanized form of German Kehrli or Kerle (see Kerley).
Girl/Female
Indian, Punjabi, Sikh
Absorbed; Imbued; Infused
Surname or Lastname
English
English : reduced form of Kimberley.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Marathi
Eashwar
Surname or Lastname
Reduced form of McNutty, an unexplained Irish or Scottish name.English
Reduced form of McNutty, an unexplained Irish or Scottish name.English : unexplained.
INDUCED GRAVITY
INDUCED GRAVITY
Boy/Male
Tamil
First Ray of sunlight, Vishnus Ansh
Boy/Male
Tamil
Intelligence
Boy/Male
Indian, Tamil
Honest and Kind
Girl/Female
Tamil
Hemagni | ஹேமாகநீÂ
Goddess Parvati
Girl/Female
Hebrew
Beauty.
Boy/Male
Indian, Punjabi, Sikh
Spiritual Vision
Girl/Female
Indian
Close, Intimate, Good friend, Continuous
Surname or Lastname
English
English : unexplained; possibly a habitational name from a lost or unidentified place.
Girl/Female
Arabic
Daily Returnees
Girl/Female
Tamil
Kankangi | கநà¯à®•à®¾à®¨à®•à¯€
Gold
INDUCED GRAVITY
INDUCED GRAVITY
INDUCED GRAVITY
INDUCED GRAVITY
INDUCED GRAVITY
v. t.
To bring on; to effect; to cause; as, a fever induced by fatigue or exposure.
a.
Indued with humanity.
n.
The somnolent state induced by animal magnetism.
imp. & p. p.
of Indue
imp. & p. p.
of Induct
n.
The act of inducing, or the state of being induced.
n.
A clergyman so inducted.
n.
One who, or that which, induces or incites.
a.
Tending to induce or cause.
a.
Of, pertaining to, or induced by, mesmerism; as, mesmeric sleep.
v. t.
To produce, or cause, by proximity without contact or transmission, as a particular electric or magnetic condition in a body, by the approach of another body in an opposite electric or magnetic state.
v. t.
To draw on; to overspread.
p. pr. & vb. n.
of Induce
v. t.
To induce again.
a.
Capable of being induced, caused, or made to take place.
imp. & p. p.
of Induce
v. t.
To lead on; to influence; to prevail on; to incite; to move by persuasion or influence.
v. t.
To generalize or conclude as an inference from all the particulars; -- the opposite of deduce.
adv.
In reality; in truth; in fact; verily; truly; -- used in a variety of sense. Esp.: (a) Denoting emphasis; as, indeed it is so. (b) Denoting concession or admission; as, indeed, you are right. (c) Denoting surprise; as, indeed, is it you? Its meaning is not intrinsic or fixed, but depends largely on the form of expression which it accompanies.
v. t.
To lead in; to introduce.