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Quantum physics - An explanation of quantum fluctuation?

I heard that something can appear out of "nothing" for a fraction of a second before it disappears again, can someone explain to me how this is possible and why it happens, in an understandable way?

Thanks in advance!

Ps. I would like to get a full answer and not a 2 or 3 liner

Update:

@Wagar Ahmad Khan

I was asking for an explanation of the theory, and not your opinion if it is or isn't possible as I am already convinced that it does happen all the time, and everywhere!

Update 2:

@Killroad...

The energy fluctuations are a proven fact, I do not ask if you believe it.

When you do not have the knowledge to answer my question then simply don't!

3 Answers

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  • neb
    Lv 7
    9 years ago
    Favorite Answer

    There are two versions of the uncertainty principle. One is the more commonly known position-momentum version and the other is the less commonly known energy-time version. The energy time version of the uncertainty principle is the one that governs quantum vacuum fluctuations. Since a vacuum is a quantum system, the energy-time version of the principle applies to vacuums. It essentially says that the change in energy of a quantum system from time t1 to time t2 cannot be a precise value. So, if at time t1 the energy of the vacuum is zero, then the energy of the vacuum has to be non-zero at time t2. This non-zero energy of the vacuum manifests itself as the production of virtual particle pairs (E=mc^2). Note that the greater the energy at time t2 the less time the energy can exist, and the less the energy at time t2 the longer it can exist.

    It is very important to understand that pairs of virtual particles are created so it takes twice the energy of a single particle to create a virtual particle pair. One of the pair is normal matter, and the other one is an antimatter particle. Antimatter particles are required to conserve various physical quantities such as charge (that's why antimatter particles have the opposite charge of normal matter). They also have the opposite sign of for all other conserved quantities of nature.

  • Anonymous
    9 years ago

    Refer to the laws of physics and you have your answer. Physics says nothing cannot be created out of nothing, matter is neither created nor destroyed, but simply altered in states. Using a different name for physics doesn't make this untrue, it just creates a different venue for your answer to be real. Universities commercialize the young into this thinking so that no supernatural ideas can be represented without the thought of crazy or radical, or even childish.

    I should hope that if " something" were to materialize before your laboratory camera and then vaporize, you would know its origin, but since you are asking quantum physics on yahoo says to me it was more than that. Read the bible, and cheers to you this good night.

  • Anonymous
    9 years ago

    This is why mythology came into science also.

    This is impossible, they just want to exonerate themselves from studying.

    Cause is must for every event and action

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