# Bypassing Pauli Exclusion principle.

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• MathematicalPhysicist
In summary, the conversation discusses the consequences and potential phenomena that could occur if the Pauli exclusion principle was artificially bypassed, allowing fermions to occupy more than one state at the same time. The conversation also mentions the limitations and issues with this idea, such as violating fundamental laws of physics and the potential closure of the discussion.
MathematicalPhysicist
Gold Member
Suppose that somehow we could artificially bypass Pauli exclusion principle, and make electrons or any fermions for that matter occupy more than one state at the same time?

What consequences in nature will we see? what phenomenons will occur?
Suppose this mechanism for bypassing is limited in time, and needs some kind of interaction or force to yield it.

Turning that kind of thing on and off would stretch and squeeze the state space, violate reversibility and unitarity, and generally make all the math gears seize up.

Best case scenario, you could use it as a probability pump. Worst case scenario, the universe immediately pumps its probability to 0. Actual case scenario, your post gets locked because this sub-forum isn't for speculation about ways the laws of physics could be different. Especially when those ways violate the postulates of quantum mechanics, like state evolution being unitary.

MathematicalPhysicist said:
Suppose that somehow we could artificially bypass Pauli exclusion principle, and make electrons or any fermions for that matter occupy more than one state at the same time?

What does "occupy more than one state at the same time" mean? That makes no sense.

If you mean "multiple fermions occupying the same state at the same time", that would make more sense (and would be what I would expect bypassing the Pauli exclusion principle to do). If you want to see what happens when you do that, google, for example, "Bose-Einstein condensate". Basically you're asking what would happen if fermions were bosons.

Strilanc said:
Actual case scenario, your post gets locked because this sub-forum isn't for speculation about ways the laws of physics could be different.

This hypothesis actually can be recast as just reclassifying certain particles under the current laws of physics (see my previous post). But I agree this topic can't really go any further without going out of bounds. Accordingly, this thread is closed.

## 1. How does the Pauli Exclusion principle affect the behavior of particles?

The Pauli Exclusion principle states that no two identical fermions can occupy the same quantum state simultaneously. This means that particles with half-integer spin, such as protons, neutrons, and electrons, must have unique quantum numbers to distinguish them from one another.

## 2. Why is it important to study ways to bypass the Pauli Exclusion principle?

The Pauli Exclusion principle is a fundamental law of quantum mechanics and has important implications for the behavior of matter at the atomic and subatomic level. Studying ways to bypass this principle can lead to a better understanding of the behavior of particles and potentially open up new possibilities for manipulating matter.

## 3. What are some ways that scientists have proposed to bypass the Pauli Exclusion principle?

There are several proposed methods for bypassing the Pauli Exclusion principle, including the use of exotic particles like anyons and parafermions, as well as the creation of artificial structures such as quantum dots and graphene nanoribbons.

## 4. What are the potential applications of bypassing the Pauli Exclusion principle?

Bypassing the Pauli Exclusion principle could have applications in fields such as quantum computing, where the ability to manipulate particles without being limited by their quantum states could lead to faster and more efficient processing. It could also have implications for materials science and creating new materials with unique properties.

## 5. Are there any ethical concerns surrounding the study of bypassing the Pauli Exclusion principle?

As with any scientific research, there may be ethical considerations surrounding the study of bypassing the Pauli Exclusion principle. Some may argue that manipulating fundamental laws of nature could have unforeseen consequences and should be approached with caution. However, as with any scientific advancement, strict ethical guidelines and regulations should be followed to ensure responsible and safe research practices.

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