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Questions tagged [quantum-physics]

If your question is more physics and less philosophy, consider asking it on Physics.SE (possibly with the soft-question tag).

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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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4answers
208 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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0answers
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Philosophical thought experiment(Quantum Retro-causality) [closed]

It has been mostly substantiated by virtue of experiments such as wheelers delayed choice quantum eraser experiment that we are able to retroactively impact past events of particles. However could ...
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2answers
89 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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2answers
158 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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0answers
102 views

Is 't Hooft cellular automaton compatible with Floridi's Informational (Structural) Realism?

Informational (Structural) Realism (by Luciano Floridi) relates to digital physics ideas (https://en.wikipedia.org/wiki/Digital_physics) As Floridi himself says in one of his articles (http://philsci-...
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3answers
360 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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1answer
97 views

Philosophy - If both the Rebound Universe and Block Universe theories are true would that mean Nietzsche's Eternal Return theory true?

If the Block Universe is true, and if the Rebound Universe is also true where the universe goes from Big Crunch to Big bang then doesn't that mean that the Block Universe is shaped like a circle where ...
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0answers
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Are all pancomputationalist models for the universe compatible with informational realism?

Pancomputationalist theories are a group of physical theories that try to describe the universe itself as a computer or an informational (processing) structure. Informational (structural) realism is ...
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2answers
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Infinite realities: Theoretically if the sun burned out or if all resources were used up, in another universe could it have not happened at all?

This is assuming that infinite realities exist. I have no physics or philosophy background, I am writing a science fiction novel. That being said, please dumb down your answers for me.
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1answer
155 views

The Hard Problem of Consciousness and Wave Function Collapse [closed]

Philosophers and physicists have been throwing around the idea that "consciousness causes collapse" since the early days of QM. Today most physicists reject this idea, but it seems to me this is ...
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4answers
1k views

Does Quantum Mechanics imply free will? [duplicate]

I think that QM does not favor free will, any more than Classical Mechanics does, and here is my reasoning: QM predicts odds, but that doesn't mean we are free, right? To be free, we will have to ...
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12answers
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Why is the complex number an integral part of physical reality?

In modern physics, the quantum wave distribution function necessarily uses complex numbers to represent itself. If physics defines the physical reality, then what we are saying by the statement above ...
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0answers
136 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 ...
2
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1answer
185 views

Questions about Frank Tipler's Omega Point theory?

He defends in that theory that God could become real, but that he would be limited. He wouldn't be strictly the same God as the one in classical religion. He couldn't do/know the physically and ...
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1answer
100 views

Is the “measurement problem” really about Quantum Mechanics?

Philosophers (Popper in particular) have long debated the interpretation of probability as applied to the world. Their concerns echo those of physics (frequency, preparation, ensembles, ). It would ...
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1answer
118 views

Where did Husserl say that in quantum mechanics spatial localisation is no longer a principle of individualisation?

According to Philosophy & Physics edited by Bernard d'Espagant: I am thinking of a text by Husserl, who was quite removed from physics, who said that the fundamental problem posed by QM is that ...
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4answers
229 views

What qualifies quantum mechanics to be scientific orthodoxy? [closed]

The theory of quantum mechanics is treated as a scientific truth, and taught that way in schools. But it seems very distanced from verifiable reality. When you look at its history, quantum mechanics ...
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3answers
161 views

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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0answers
168 views

Philosophy of Quantum Mechanics - Argument explanation

I would be grateful if someone could explain me this argument from Philosophy of Physics in plain English. I'm not sure how Albert arrives at his conclusion and I lack the mathematical skills to ...
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2answers
129 views

What does it mean when something is called “fundamental”? [closed]

Most philosophers and scientist alike, talk about the "fundamental" parts of science in reductionist terms. But, I wanted to ask how do those "fundamental" parts of science appear in non-reductionist ...
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1answer
212 views

What does quantum physics say about B theory of time?

Does quantum physics contradict B theory of time( or any other version of eternalism)? If it contradicts, then is it possible that B theory of time( or any other version of eternalism) is still ...
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6answers
935 views

Does all matter exist forever?

I was reading about non-duality (spirituality / philosophy) that discusses the idea that everything in reality is one, since any matter can become any other matter, (a tree can become a chair and a ...
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0answers
41 views

Meassurement problem in quantum mechanichs [closed]

Is the meassurement problem - that observation causes 'wave function collapse', or that a set of probabilities becomes a distinct characteristic through observation simply a case of one observation, ...
2
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1answer
384 views

Is quantum indeterminacy inextricable from observation?

I understand uncertainty from a combinatorial and game theoretic perspective, as functions of incomplete or imperfect information, or intractability which is a type of inaccessible information in that ...
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1answer
134 views

Unphysical terms appearing in mathematics applied to physics

Sometimes in physics, the mathematics leads to "un-physical solutions or terms", that are readily tossed by the physicist. For example, when deriving absorption and emission rates for via quantized ...
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2answers
274 views

Does 'the quantum mind' solve the hard problem of consciousness and how popular is it?

Does 'the quantum mind' solve the hard problem of consciousness and how popular is it among philosophers of science? The hard problem of consciousness is the problem of explaining how and why we ...
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2answers
536 views

Plato meets Quantum Mechanics

What would Plato have said about the Quantum Mechanics theory development? I mean, we have had to give the reason a second place in order to give to the observations the main motor of the theory and I ...
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4answers
125 views

Emergent Complexity In Probability Distributions

I originally posted this in Physics SE but was told it's more appropriate here... In quantum mechanics we describe waves of probability or probability distributions. Does this have to or should it be ...
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4answers
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How does Penrose defeat the computational theory of mind?

In Shadows Of The Mind Roger Penrose puts forth a Gödelian argument against the computational theory of mind. He then goes on to suggest that quantum mechanics plays a central role in the realization ...
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2answers
139 views

What is the most commonsense interpretation of QM for the layman?

What is the least inflationary or most everyday common sense interpretation of QM? Given that it's philosophy and not physics, the questions seems a good one. Cited here, there are three alternative ...
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8answers
2k views

Schrödinger's cat being “both dead and alive”

Famously, Schrödinger's cat is found to be both dead and alive within a closed system - at the mercy of quantum mechanics. But why is the cat "both dead and alive"? For the Copenhagen interpretation, ...
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3answers
125 views

Is bell's theory philosophically wrong?

I wanted to ask this question in physics section but I think it is most philosophical question than physical. Question is about Bell's theory that proves there are no hidden variables. My question is ...
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3answers
877 views

Does Quantum Physics Refute Ayn Rand's Objectivism?

Rand's Objectivisms' central tenets are that reality exists independently of consciousness, that human beings have direct contact with reality through sense perception, that one can attain objective ...
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2answers
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proving (instead of discovering) the laws of quantum mechanics [closed]

A single toss of a fair coin cannot be predicted. But if we observe a large number of tosses, we can prove mathematically the law that roughly half of them will show up heads. The movements of ...
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1answer
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Searching for paper: black boxes that violate bell inequalities more than quantum mechanics [closed]

I recall reading a paper that discussed a hypothetical pair black boxes that could violate Bell inequalities better than what's achievable with quantum mechanics. For example, suppose Alice and Bob ...
2
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1answer
109 views

A discrete time: impact on philosophical aspects

Time is a major topic in philosophy. I wonder if there are philosophical works that have digged into the possibilities and impacts of discrete time instants. Present theories in physics suggest that ...
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3answers
224 views

Entanglement and the computability of nature

(Note - I edited to the question in response to answers) In the 1935 EPR paper, Einstein, Podolsky and Rosen write that given two entangled particles, one particle can be used to predict with ...
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5answers
748 views

Does Quantum Entanglement Disprove the Principle of Locality?

Regarding the debate between quantum mechanics and determinism I have encountered a problem I can't find the answer to. It is my impression that in order to solve Bell's inequality you would have to ...
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3answers
635 views

Does Einstein's local realism in quantum mechanics imply superdeterminism?

Einstein insisted that nature is locally real, which is also know as counterfactual defeniteness and means that results of experiments are predetermined. But, if everything is predetermined in every ...
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7answers
5k views

Has quantum mechanics destroyed the fundaments of logical reasoning?

In quantum mechanics it is thought to be possible that something could be at two places at the same time. But if that is really the case then perhaps law of non-contradiction is no longer valid. So ...
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4answers
2k views

How does Quantum Mechanics affect the modern account of free will and determinism?

In the edition of Feb/Mar 2016 of the Philosophy Now Magazine says: Under Feel Free to Differ it says: [...] Determinism itself comes in different flavours. Hard determinism of the most absolute ...
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3answers
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How did quantum mechanics shape the scientific method?

Quantum mechanics has certainly changed scientific concepts (deterministic <-> probabilistic). But to which extent did it change the scientific method? Since I perceive the scientific method more ...
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3answers
805 views

Quantum entanglement and its implications for modern science [closed]

In light of the now undisputed existence of the phenomenon of quantum entanglement and it's implications, can any field of science (e.g. Neuroscience and, specifically, the study of consciousness) ...
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2answers
253 views

Quantum Mechanics has formally undecidable problems. What is the philosophical significance of this?

A certain problem is quantum mechanics has been shown to be uncomputable. This means that although it is in a certain sense making a prediction, there is no systematic way to determine what prediction ...
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3answers
315 views

Is the unobserved universe quantum mechanical? [closed]

According to some interpretations of quantum mechanics, in our daily life we perceive classical reality because we, as the observers, collapse the wave function to perceive the environment around us. ...
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2answers
326 views

Is Conway-Kochen's “free will” theorem about quantum measurements an argument for panpsychism?

Conway and Kochen have proved a theorem about free will (no to be confused with the related Kochen–Specker theorem, which rules out hidden variables), which states that if we have a type of ...
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5answers
589 views

Does wave-particle duality pose a challenge to ontology?

Quantum mechanics poses a challenge to epistemology in terms of what is measurable, what is observable, and realism in general. But does it pose a challenge to ontology as well? Ontology is the ...
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3answers
136 views

Are physical measurements constructs?

This question was provoked by my knowledge of the kochen specker theorem, which if I am correct is a theory that states measurements sometimes, within a system, do not exist until it is consciously ...
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0answers
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The more i think about it, the more it seems like quantum entanglement disproves the notion of free will [duplicate]

From my understanding of entanglement, and what it tells us about reality, the state the quantum system is in would have to be decided before measurement. This would mean that everything about our ...