**What Is Quantum Gravity In Simple Terms**. This branch of physics was necessitated by the discovery of the fact in the early 20th century that the laws of physics that govern matters of macroscopic scale do not function in the realm of microscopic. A quantum of energy is the least amount possible. and quantum mechanics describes how that energy moves or interacts.

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Loop quantum gravity is one of the main contenders to unify einsteins general theory of relativity and quantum mechanics. therefore providing a quantum theory of gravity. If these words do not mean much to you. do not worry. we will define them in simple terms. Quantum gravity is the name given to any theory that describes gravity in the regimes where quantum effects cannot be disregarded.

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This branch of physics was necessitated by the discovery of the fact in the early 20th century that the laws of physics that govern matters of macroscopic scale do not function in the realm of microscopic. Loop quantum gravity (lqg) is a theory of quantum gravity. which aims to merge quantum mechanics and general relativity. incorporating matter of the standard model into the framework established for the pure quantum gravity case.

Source: *avs.scitation.org*

It attempts to explain the properties of atoms and molecules and their fundamental particles like protons. neutrons. electrons. gluons. and quarks. In string theory. they are fields akin to those of electromagnetism that live on the surface traced out by a moving strand or loop of energy—the namesake string.

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Therefore the term quantum gravity indicates more an open problem than a specific theory. A quantum of energy is the least amount possible. and quantum mechanics describes how that energy moves or interacts.

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There are four classes of force in the universe. from weakest to strongest. At present. there is no such a theory which is universally accepted and confirmed by experience.

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Quantum gravity is the name given to any theory that describes gravity in the regimes where quantum effects cannot be disregarded. Quantum physics is the study of matter and energy at the most fundamental level.

Source: *slidetodoc.com*

Quantum gravity is an attempt to extend quantum mechanics to general relativity. which is a classical theory. Instead of the creation of particles. we have the creation of universes.

#### Therefore The Term Quantum Gravity Indicates More An Open Problem Than A Specific Theory.

Loop quantum gravity (lqg) is a theory of quantum gravity. which aims to merge quantum mechanics and general relativity. incorporating matter of the standard model into the framework established for the pure quantum gravity case. There are four classes of force in the universe. from weakest to strongest. In quantum mechanics and the standard model of particle physics. each force is carried by a corresponding particle:

#### It Is Also Called Quantum Physics Or Quantum Theory.

In the quantum realm. quantum mechanical effects become significant and particles can no longer be described using classical physics. Quantum entanglement is a phenomenon observed at the quantum scale where entangled particles stay. While many quantum experiments examine very small objects. such as electrons and photons. quantum phenomena are all around us. acting on every scale.

#### Mechanics Is The Part Of Physics That Explains How Things Move And Quantum Is The Latin Word For How Much.

Quantum gravity. broadly construed. is a physical theory (still ‘under construction’) incorporating both the principles of general relativity and quantum theory. It attempts to explain the properties of atoms and molecules and their fundamental particles like protons. neutrons. electrons. gluons. and quarks. The hope is that one day gravity might be too. when in a third iteration we uncover what quantum properties of mass. energy. space and time combine to make gravity at a fundamental level.

#### Quantum Physics Is The Branch Of Physics That Describes The Behavior Of Particles At The Smallest Possible Scales.

Quantum gravity is the name given to any theory that describes gravity in the regimes where quantum effects cannot be disregarded. It is an attempt to develop a quantum theory of gravity based directly on einsteins geometric formulation rather than the treatment of gravity. If these words do not mean much to you. do not worry. we will define them in simple terms.

#### Instead Of The Creation Of Particles. We Have The Creation Of Universes.

In simple words. quantum gravity is desired theory that may combine quantum mechanics(qm) and general relativity. Loop quantum gravity is one of the main contenders to unify einsteins general theory of relativity and quantum mechanics. therefore providing a quantum theory of gravity. Theories of quantum gravity hypothesize the force to be carried by gravitons of spin 2 and mass 0.