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## Introduction :

In the field of Physics, Quantum Physics had always attracted the attention of Physicists and researchers since the 19th Century. Today in this article we will know about 5 Weird and Amazing **Phenomenons in Quantum Physics** that will blow your mind. Following are the 5 Phenomenons :

Quantum Foam

Quantum Entanglement

Quantum Tunneling

Quantum Superposition

Quantum Fluctuation

So Without Wasting our time let us start our journey in the weird and amazing world of Quantum Physics.

## Quantum Foam :

The fluctuation of spacetime on very small scales is called Quantum Foam. With the incomplete theory of quantum gravity, it is impossible to be certain what a spacecraft would look like on small scales.

However, there is no reason that spacetime needs to be fundamentally smooth.

It is possible that instead, in a quantum theory of gravity, spacetime would consist of many small, ever-changing regions in which space and time are not fixed, but fluctuate like foam.

Wheeler suggested that the** Heisenberg uncertainty principle** could mean “the geometry of spacetime fluctuations” over sufficiently short distances and sufficiently brief intervals of time.

These fluctuations can be large enough to cause a significant departure from the smooth spacetime observed at macroscopic scales, giving the spacetime a “fomi” character.

### Quantum Entanglement :

In Quantum physics Quantum entanglement is a phenomenon which enables particles to affect Each other instantaneously in a way such that the quantum state of each particle of the pair or group cannot be described independently of the state of the others, including when the particles are separated by a large distance.

The subject of **quantum entanglement** is at the heart of the disparity between classical and quantum physics: entanglement is a primary feature of quantum mechanics that classical mechanics lacks.

Quantum entanglement has been experimentally demonstrated as photons, neutrinos, electrons, molecules with buckyballs and even small diamonds. The use of entanglement in communication, computation and quantum radar is a very active area of research and development.

### Quantum Tunneling :

A quantum mechanical phenomenon where probability of a subatomic particle disappears from one side of a potential inhibition and appears on the other side without any inference current appearing inside the inhibition.

**Quantum tunneling** is not predicted by the laws of classical mechanics, where sufficient potential energy is required to overcome a potential barrier.

In nuclear fusion that occurs in main sequence stars like the Sun, in this Quantum Tunneling plays an essential role. In applications like tunnel diode, quantum computing, and scanning tunneling microscopes, Quantum Tunneling plays an important role. The impact was predicted in the 20th century, and its acceptance as a common physical phenomenon came in the mid-century.

Tunneling is often explained in terms of the Heisenberg uncertainty principle that a quantum object can be referred to as a wave or as a particle in general.

In other words, the uncertainty in the precise location of light particles allows these particles to break into classical mechanics’ rules and move in space without crossing the potential energy barrier.

## Quantum Superposition :

In a simple word Quantum Superposition is a Fundamental Principle in the field of quantum mechanics , which states that any two or more particles can be added together and the addition of these states will be another valid quantum State. And also each and every quantum state can be represented as a sum of two or more separate quantum states.

This phenomenon is completely different from Classical Physics Because in classical physics you will find any Particle in only one state.

Now the question is what Causes the quantum Superposition , well the answer of this question is because at the quantum scale the particles start behaving as a wave and in which multiple waves start overlapping on each other to form a single new wave.

### Quantum Fluctuation:

According to Werner Heisenberg’s Uncertainty Principle , In the field of quantum physics a quantum Fluctuation( or Vacuum state fluctuation) is the temporary change in the amount of energy in a point which is in space.

Quantum Fluctuation allows the creation of particle-antiparticle pairs of virtual Particles. Because of the difference in the effective charge of the particles , we can say that the effects of these particles are measurable.

According to Scientists** Quantum fluctuation** may have played a vital role in formation of the structure of the universe in the initial stage of the universe. The Current structure of the universe which we are observing now may be the result of the quantum Fluctuation in the origin time.

According to the model of expansive inflation the current observed structure is the result of the seed when inflation began and formed. Or we can say because of the vacuum energy our universe is accelerating and expanding day by day.

## Uncertainty Principle:

As we can see the term ‘Uncertainty Principle’ is used repeatedly , So the question is what is Uncertainty principle , Let me explain you that , In 1927 , Werner Heisenberg a German physicist proposed a theory named **Uncertainty Principle** or Heisenberg’s uncertainty principle according to this Principle we can not calculate the variable such as momentum/position or time/energy at the same time. Or we can say the calculation of both is impossible at the same time.

Or in a very simple way we can say according to the uncertainty principle it is impossible to determine the position and momentum of a particle at the same time.

But if we compare this at a macroscopic level then things Completely change , I mean at that condition we are able to apply the law of classical Physics. And in this situation the quantum effect becomes very small. So we can say quantum physics is totally different from Classical Physics.

### About the Post :

So, these are the 5 Weird and Amazing **Phenomenons in Quantum Physics**. We saw how spooky and amazing these phenomenons are. So this is all about today’s Post , I hope you Enjoyed reading this article on Quantum physics. Have a nice day.

## Interesting Questions :

### Do Balck hole die ?

### Will the sun become a black hole ?

### What is a Positron ?

Topic : 5 Weird and Amazing **Phenomenons in Quantum Physics**

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