Not so fast. The ever pesky to measure virtual particle just might be there. It better be there, because without it all of quantum mechanics collapses. Using an elaborate cornucopia of mathematical assumptions that would make a sorcerer blush, they can be found. These virtual particles are created and destroyed before they can be measured, but the math all works out if, if they actually exist. If not, well, not so much.
Lets just say, for the sake of argument, that they do in fact exist. You're still left with a chicken and egg dilemma. Can a virtual particle exist without first spinning off an actual particle? Maybe, but as yet unprovable using anything that can even be considered concrete mathematics.
Smart people are looking real hard and I applauded their efforts. It's truly remarkable and perhaps some day their theories will unfold as fact, but as of today one needs, shall we say, more than a little "faith" to believe them. But hey, you gotta' have faith in something for any of this to make even an iota of sense.
As well as virtual particles existing with actual particles, they exist and disappear in space that contains nothing, no energy, no matter, no 'actual' particles, nothing. These sub atomic virtual particles flicker in and out of existence - from nothing, overall described in Quantum Mechanics as Quantum Foam.
Virtual particle pairs near the event horizons of Black Holes is a principle element of Hawking Radiation. A place where virtual particles also get transformed into actual particles.
With respect, I'm sure you understand how fundamental QM is to appreciating the rules by which the universe actually works. So isn't it a bit silly for you to be that dismissive in saying you have to have "faith" in something Quantum Mechanics is describing and explaining? Especially so when virtual particles and their effects can be calculated measured and well tested through experiment all the time.
Sure more knowledge and better math is needed and more learning to gain a fuller understanding of what's going on, but when QM explains a process it does so with astounding information and in line with the basic laws of physics. In virtual particles, QM allows something from nothing and reasonable to accept as at least extremely feasible. Just as it was reasonable to consider the astonishing QM behind lasers and transistors reasonable before their discovery.
Quantum Mechanics describes virtual particles and addresses the chicken - egg - something from nothing question. That's what you requested.
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