Questions tagged [quantum-interpretations]

This tag is for questions relating to what, if anything, the quantum mechanical formalism and experimental results say about the way the world works.

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230 views

Computer vs brain in many-worlds interpretation of QM

Assume that the many-worlds interpretation of quantum mechanics is true. A classical computer that is modeled on the Turing machine is designed to perform exactly the same computation in each of the ...
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How narrow is the Measurement Problem in QM? [closed]

I realize that the "Measurement Problem" is an issue unique to the highly technical field of quantum mechanics. But is it ever discussed in philosophy in relation to more general issues of ...
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What is unique about the quantum state of superposition?

In the state of quantum superposition, as most famously illustrated by Schrodinger's Cat, we have a well-defined set of probabilistic outcomes that is not determined until observed. The cat is then ...
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442 views

Assuming we live in a simulation, does quantum mechanics exist so that freewill can be computed?

There is a chance that we live in a simulation. If we do, that might explain some of quantum mechanics. Everything is made up of 1 of 2 states. For example, you will, or will not, go to the movies ...
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447 views

In quantum physics, does zero probability imply impossibility?

Suppose I have a particle whose quantum state is known to be exactly spin-up along the z-axis. Then suppose I measure its spin along the z-axis. Quantum mechanics (QM) states that the probability of ...
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197 views

Confusion about how the many worlds interpretation denies the measurement?

I've quite often heard the claim the many worlds interpretation of quantum mechanics denies the measurement (there is no such thing as the measurement). Many Worlds Interpretation which basically ...
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Do really all mental states exist in some universe according to Many-Minds Interpretation?

According to the Many Minds interpretation of quantum mechanics (https://en.wikipedia.org/wiki/Many-minds_interpretation), the distinction between worlds in the Many Worlds interpretation should be ...
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4answers
135 views

Could free will exist as spontaneous particle creations?

I've been reading a lot on determinism from a quantum mechanics perspective in order to reach a conclusion about freewill and determinism. So far, it seems that quantum interpretations (Copenhagen, ...
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Article about local realism

I am looking for an article I read several years ago regarding local realism in physics, especially related to the resolution of the EPR paradox in different interpretations of QM. Unfortunately I ...
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282 views

Is Quantum Bayesianism a viable solution to interpretational problems of quantum mechanics? [closed]

I noticed that Quantum Bayesianism (Qbism) seems to solve a number of issues in QM like non-locality, decoherence and the measurement problem. But I am not sure if physicists and philosophers would ...
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61 views

Philosophically, isn't this impossible to prove there's no hidden variable?

As Bell wrote "If [a hidden-variable theory] is local it will not agree with quantum mechanics, and if it agrees with quantum mechanics it will not be local"(https://en.wikipedia.org/wiki/Bell%...
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Is there a term for this interpretation of reality?

I am currently digging information in regards to subjective and objective realities and I was wondering if there is a name or a term for the following interpretation of reality. It goes like this: ...
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Why did Hilary Putnam change of opinion towards Quantum Logic?

Hilary Putnam is known for having proposed a radical change in our thinking about the physical universe: He proposed that the universe was fundamentally based on Quantum Logic, and not in Classical ...
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1answer
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Who Killed Bob? [closed]

We have a mach zhender type interferometer that can receive quantum bullets. Charlie fires the bullets continuously into the device and (assuming a perfect experiment) the bullets all exit at output A....
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115 views

If cause C has the mutually exclusive effects Y and Z, then is causality held? Why?

Imagine there is a cause but several effects. Of course determinism is not held, but my question is about causality. If cause C has two mutually exclusive effects Y and Z, then at each given time ...
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I could prove: Copenhagen QM is NOT causal. Is my argument acceptable?

A quantum system consists of some states. It is in all of the states but beCAUSE of the act of the measurement, the wavefunction collapses into one state. I am really confused because I can repeat the ...
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Is a quantum theory that is indigenously quantum mechanical a real possibility?

The general approach to Quantum Mechanics is that one first takes a classical system and then quantise to obtain a quantum mechanical system. This holds for QM itself, and QFT such as QED and QCD and ...
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139 views

What kind of philosophy of the foundations of physics can there be?

I'm currently trying to read into topos foundations for theories of physics and I wonder if we are really able to give a philosophical foundation for what a possible future theory of physics should ...
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What is Robert Nozick alluding to by a “vast generalization” of Feynman’s path integral?

I was reading a book from the philosopher Robert Nozick (Invariances: The Structure of the Objective World), and there was something that confused me. Around page 159 he argues that every logically ...
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What is the case for free will?

By understanding the laws of nature, I've come to the conclusion that everything evolves according to the laws of physics, and that includes the formation of conscious and unconscious thoughts in the ...
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36 views

Humean supervenience and Quine

I am wondering if Quine would adopt the Lewis' Humean supervenience theory to make sense of probability. Quine is a subjectivist about probability (even though regarding probability in QM he thinks ...
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73 views

Resource recommendations for cogent arguments against the MWI of quantum mechanics

I am looking for cogent, current arguments against the Many-Worlds interpretation of quantum mechanics, from a philosophical, rather than purely physical point of view. To be clear, I am interested ...
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Can anyone explain the concept of “being-thus”?

I was reading a letter from Einstein to Max Born that says something like this: It is further characteristic of these physical objects that they are thought of as arranged in a space-time ...
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32 views

Probabilistic, indeterministic and random in QM

This is a question about terminology used in QM since I need to clarify this aspect. Is “probabilistic” a synonym of “indeterministic”? And in case they are not synonyms, what do they exactly mean? ...
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Probability calculus and Quantum Mechanics [closed]

I am not an expert and probably this question highlights this. Anyway, is the probability calculus used in Quantum Mechanics? Does the concept of probability adopted in Quantum Mechanics satisfy the ...
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80 views

Distributions of outcomes in Quantum Mechanics

I have read an answer here about the probabilistic nature of QM and I am curious about why QM is able to predict only distributions of outcomes of an experiment. To be clearer, is QM’s inability of ...
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Is it there any trivialist model in physics (like in quantum mechanics)?

Trivialism is a system that proposes that literally every proposition is true and false at the same time blatantly breaking the principle of no contradiction and triggering the principle of explosion (...
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172 views

Why Quantum Mechanics states that nature is probabilistic? [duplicate]

I am new here and I am studying the philosophical implications of Quantum Mechanics. I read somewhere that QM and determinism are mutually exclusive and that QM involve a number of philosophers to ...
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360 views

Quantum mechanics and the principle of bivalence

Does quantum mechanics, due to the phenomenon of superposition (Schrodinger's cat is both dead and alive), give reasons to alter the laws of logic, specifically the principle of bivalance (something ...
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45 views

About the advantages of the propensity perspective on probability

I am wandering what are the advantages of the propensity perspective on probability. Why would it be better to explain probability in physics? Except for the fact that it solves various problems of ...
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3answers
124 views

What is the relation between the propensity interpretation of probability and probability in physics?

I would like to know what physicists think about the propensity viewpoint.If this latter one is in line with physics and especially Quantum Mechanics. Otherwise, what is the most coherent ...
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444 views

Can many worlds interpretation have universes with different laws?

The Many Worlds Interpretation of quantum mechanics is classified by Max Tegmark as a level-3 multiverse hypothesis. This means that in the universes that it will predict, there could be different ...
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162 views

Are the Bohmian and Copenhagen interpretations of QM isomorphic?

I'm writing an essay comparing Bohmian Mechanics to the standard Copenhagen interpretation and came across the notion that Bohmian mechanics implies a fundamental epistemic uncertainty to how we can ...
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207 views

Does Quantum vs Classical Reality implicate contradictions in mathematical models

Background I'm defining the Classical Reality as everything having a given state therefore with enough knowledge about the state of everything at the smallest particle level we can theoretically ...
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134 views

Why does Humean supervenience fail in quantum mechanics?

I am not sure I understand the idea properly. Moreover, why are philosophers so interested in quantum mechanics? What philosophical implications could quantum mechanics have?
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Does quantum mechanics imply some kind of panpsychism?

As I understand it, one response to quantum immortality thought experiments is that we haven't yet escaped the instant of death, and it's of little relevance anyway, because that instant is small ...
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638 views

Can something be really random?

Before you tag my question as a duplicate I want to make sure you understand it. Earlier I saw a video about Schrödinger's cat that says once we open the box to see if the cat were alive or dead the ...
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439 views

Good resources for philosophers to learn more about quantum mechanics?

It is easy to find high-level descriptions of the implications of quantum mechanics, but they always seem a bit handwavy to me, or at least it is hard to know whether those interpretations are really ...
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134 views

Time Travel and Virtual Particles correlation?

Virtual Particles in Quantum Physics are particles that can form in any place, including a vacuum, and are created in a pair of particles opposite each other, and are usually eliminated. When these ...
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brains observing the detectors in double slit experiments

Something that has puzzled me in popular descriptions of the double slit experiment is that they usually describe the observation of the detectors as though it is the end of the story for the elements ...
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1answer
87 views

Many worlds defeats Doomsday argument (betting version)? [closed]

Here is a calculation regarding observers placing bets in the many-worlds scenario. Let us assume that an observer has some current rank n in the human race (there have been n-1 humans born before ...
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460 views

Does the uncertainty principle resolve Zeno’s arrow paradox?

Zeno’s arrow paradox says that motion is impossible. Does quantum mechanics say that the underlying assumption is wrong? Assumption: in any given moment, an arrow in flight is motionless. Then it ...
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264 views

The exaggeration of the role of observer in quantum mechanics

In the famous double slit experiment, it's often said that the presence of an observer causes the electrons to behave as particles. "The need for the "observer" to be conscious has been rejected by ...
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1answer
139 views

Is positing a multiverse to replace randomness a desperate attempt to hide agency?

This question applies to any type of multiverse or many worlds that translates or actualizes each of a set of potentials into a separate universe. These potentials may come from quantum randomness or ...
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1answer
467 views

Is the many worlds interpretation of quantum mechanics philosophically untenable?

I saw this: http://aeon.co/essays/is-the-many-worlds-hypothesis-just-a-fantasy In this article the author raises a number of intriguing philosophical challenges against the so-called "many worlds" ...
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“God doesn't play with dice”: does QM's randomness really contradict religion?

Everyone knows Einstein's popular phrase on Quantum Mechanics - "God doesn't play with dice", implying that the randomness theory that the universe "popped" into existence randomly doesn't align with ...
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191 views

Questions about personal identity and materialism with QM and spacetime

Let's assume for a moment that the materialistic view of the universe is correct. There exists a universe that contains energy in various states spread out in the dimensions of space and time that is ...
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Testing the Dream Hypothesis

Is there in existence any set of physical parameters which can be measured, which would enable one to determine whether or not reality by itself is a dream?
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Many-worlds defeats Doomsday argument (improved version)?

This is a more carefully argued version of my previous post Many-worlds Interpretation defeats the Doomsday argument? Standard Doomsday Argument Let N be the total number of humans who will ever ...
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Many-worlds Interpretation defeats the Doomsday argument?

By making the a priori assumption that we are equally likely to be anywhere along the chronological list of humans, the Doomsday argument implies that our position n is correlated with the future ...