Recent questions in Quantum Mechanics

+22 votes

0 answers

Quantum physics says that merely observing an object changes it. Does a first observation maintain any effect or control over how later observations affect the object? Do multiple observations of the same object result in an “average” change?

asked Mar 16, 2023 in Quantum Mechanics by whibley

+22 votes

0 answers

Does quantum theory give a probability that an electron-positron pair will be briefly in, say, a litre of flat vacuum?

asked Mar 16, 2023 in Quantum Mechanics by Maria Johnson

+12 votes

0 answers

According to quantum physics, do we move from Planck length to Planck length? If so, how do we move from one Planck length of space to another as there is not a shorter distance between them?

asked Mar 16, 2023 in Quantum Mechanics by agofarkas

+17 votes

0 answers

How were/are Planck length and time discovered/determined?

asked Mar 15, 2023 in Quantum Mechanics by PH1L8OB

+35 votes

0 answers

Why is it difficult to directly observe the quantum effect of a real black hole in astrophysics?

asked Mar 15, 2023 in Quantum Mechanics by 8661

+172 votes

0 answers

Why hydrogen atom has p orbital even though it has only one electron that supposed to be in s orbital? This is related to formation of sp3 hybridisation of methane. If it does have, why hydrogen p orbital are of the same energy level as s orbital?

asked Mar 14, 2023 in Quantum Mechanics by DBCDIY

+10 votes

0 answers

What does it mean that the Higgs field has a nonzero vacuum expectation, and what makes it different from other quantum fields?

asked Mar 14, 2023 in Quantum Mechanics by mrdavidj

+25 votes

0 answers

Does the delayed choice quantum eraser support the idea that particles can travel back in time?

asked Mar 14, 2023 in Quantum Mechanics by jimoz

+29 votes

0 answers

Does superstring or M theory, like quantum mechanics, think that the world exists true randomness? Or does the M theory just think that the certainty in the high dimension is presented as the randomness in the low dimension?

asked Mar 14, 2023 in Quantum Mechanics by Dr Bodgit

+24 votes

0 answers

How does scrubbing a material remove electrons from it? What happens quantum for this to happen? Can all matter release electrons through friction?

asked Mar 14, 2023 in Quantum Mechanics by Tomypop (2.8k points)

+84 votes

0 answers

How can quantum physics be used to predict the future with high accuracy if everything in this world is random and unpredictable?

asked Mar 14, 2023 in Quantum Mechanics by Broon

+89 votes

0 answers

Is quantum mechanics a flawed theory? If yes, why?

asked Mar 12, 2023 in Quantum Mechanics by Pclarke17

+12 votes

0 answers

In quantum mechanics, can entanglement change into a non-entangled state?

asked Mar 12, 2023 in Quantum Mechanics by Bilton

+2 votes

0 answers

Doesn't the fact that complex numbers are useful in quantum mechanics prove that there's something flawed about mathematics? How can an imaginary number have significance in physical nature?

asked Mar 11, 2023 in Quantum Mechanics by QuantumPulse

+2 votes

0 answers

What is the wave function and why is it not in space but in probability when describing physical objects such as particles?

asked Mar 11, 2023 in Quantum Mechanics by LuminousSculptor

+13 votes

0 answers

What is your perspective on the role of government regulation in the development and use of quantum computing technology?

asked Mar 11, 2023 in Quantum Mechanics by CrystalCharm

+18 votes

0 answers

According to quantum mechanics and the Copenhagen interpretation, do objects and things disappear if there is no one there to observe (look at) them?

asked Mar 11, 2023 in Quantum Mechanics by Swanswood

+12 votes

0 answers

I was reading that the uncertainty principle is a consequence of the wave nature of particles. Einstein knew the work of de broglie and accepted the wave nature of particles. Then why Einstein resisted so much the uncertainty principle?

asked Mar 10, 2023 in Quantum Mechanics by sinewave

+627 votes

0 answers

How does the idea that the entire universe is a single quantum object relate to probability? Is the idea of a single universal wave function the same thing as a theory of everything?

asked Feb 19, 2023 in Quantum Mechanics by SeraphicFlare

+5 votes

0 answers

Is space directly connected to the quantum field being inseperable or is it not directly connected, if so what would be the measure to determine how far apart or close they are? What form would the connections be in, some undiscovered phenomena?

asked Feb 19, 2023 in Quantum Mechanics by DUDE123

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Recent questions in Quantum Mechanics

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