Posts Tagged ‘Pilot Wave’

Quantum Expands Causality

January 1, 2015

CAUSALITY HAS EXPANDED:

Having a notion of when something causes something else is paramount. We have evolved some subtle notions since Shamanism (or David Hume).

Two things struck me:

  1. a) The paucity of the imagination of many pillars of intellect. In 2008, there was a huge spike in the price of crude oil, followed by an equally impressive crash.

What caused it? Nobody in the economic establishment had a public answer. However, I had an obvious one: crude oil futures, a type of financial derivatives which can be manipulated, thanks to the gigantic leverage in the futures’ market.

Through a psychological mechanism I explained at the time, the price of real crude oil  spiked up (as a consequence of the spike in the futures; something similar just happened). Paul Krugman obstinately denied, loud and clear that this could ever happen, because he stridently proclaimed, he saw NO causal link between futures and the price of the underlying commodity. (Thus, according to Krugman, oil futures are OK, whereas I see them as a plague, waste, blot on humanity, and a major prop for plutocracy.)

From my point of view, Krugman was not smart: he just looked in his little corner of economy he knew, and not the big picture. (Please don’t tell he was friendly from some crude oil future guy, that would be so crude, besides being the correct explanation.)

In general, correct reasoning and causality means looking at the wholeness of the spatially implicated order.

Do we have a physical model for this? Yes, Quantum Physics.

  1. b) Many thinkers claimed, especially generations ago, that Quantum Physics destroyed causality. The exact opposite is true: the Quantum has expanded the notion of causality (to the implicate order).

***

SO WHAT’S CAUSALITY? A CAUSES B WHEN A LOGOS GOES FROM A TO B.

Old fashion causality involves forces. A force points from a point to another point (it’s called a “vector”; forces actually gave the mathematical concept of vector).

However, there are no points in Quantum Physics.

(That there are points in Quantum Field Theory is a problem: string theory tried to get around it. That was perhaps its main motivation.)

But before I get to the Quantum, let me explain my philosophical concept of causality.

What’s causality? An event A is said to cause an event B if whenever A occurs, so does B, and a logos, a discourse, goes from A to B. (That logos is, in precise science, an evolution equation and its attached notions).

Thus one needs a definition of A, B, and of the implication itself. All come from statistic ensembles. (I am saying that probabilities are hidden in plain sight in classical mechanics and arguments; they are not something reserved to Quantum Physics.)

Does that mean all causality arise directly from statistics, and only from statistics? Not really: a differential equation E predicts (if well behaved!) the evolution of a system S. Then knowing S(t) one can get S(t+1). In this case one says that the initial conditions S(t), plus the law E, cause S(t+1).

Some make a big deal that equation of physics are reversible, they see that as indication of time travel, or something weird. However, whether the equation E is time reversible, or not, is irrelevant: one plugs in (t+1), not (t-1).

Differential equations or, more generally, evolution equations, are all over physics and nature. Those who declare something as strange as “causation has disappeared from physics” should come up, with just one example of physics without an evolution equation. It will not be found, as physics is about predicting the future. (Better than predicting the past as all too many do.)

THE QUANTUM EXPANDED CAUSALITY:

The Quantum, some who know it all too little, was said to have destroyed causality.

In truth, Quantum Physics is all about Non-Commutative Geometry (and not just in Alain Connes’ restricted sense; this is the main argument for Super Symmetry). In clear language; no more points. Then old fashion, point to point causality does not apply.

In Quantum Physics, is waves writ large. Quantum guidance is all about waves. According to De Broglie’s Wave Principle, all and any particle is guided by a wave. Yes, that would be true even for trucks. It was recently confirmed at a larger scale than atoms and molecules.

Hitting a wave with another wave is messy. Causal, but messy. Thus causality in Quantum Physics tends to be probabilistic.

Models of De Broglie’s Pilot Wave theory have recently appeared in labs (starting in Paris, where De Broglie’s ideas long pursued a subterranean existence; after all, De Broglie, who lived to nearly 100, was Perpetual Secretary of the Academie des Sciences). Even in the good old USA, these ideas are gaining traction:

http://www.wired.com/2014/06/the-new-quantum-reality/

The wave guiding proceeds at a speed much higher than the speed of light (at least 10^10 c). Call it TAU. Thus any Quantum Process embraces the totality of accessible space. Moreover that space is a Hilbert space (not just 3 dimensional space).

This means that the causality (the set of causes) in any Quantum process involves not just a Cauchy data set, the classical way, and an evolution equation (Schrodinger, Dirac, Klein-Gordon, etc., but an entire space “visualized” by the Pilot Wave at speed TAU (> 10^10).

Notice that many of the preceding is not part of the conceptology of those who claim that Quantum Physics is not causal. Most of them probably do not know what a Hilbert space is (that the Pilot Wave proceeds in a Hilbert was an early objection against it; it’s as intelligent as protesting that the sky is blue).

Once all the ingredients are in, including CAUSAL SPACE, Quantum Physics is completely causal. Conceptually speaking.

QUANTUM COMPUTER CAUSES MORE:

Those who are elaborating, as we speak, Quantum Computers are trying to make Quantum Physics so incredibly causal, that it will be able to easily make CAUSAL relationships that traditional classical computers cannot do (and cannot check!). One has to understand that classical computers work, indeed, according to classical mechanics. They are glorified water clocks (with electrons flowing).

The Quantum Computer will convince the Commons that Quantum Physics is more causal than pathetically precise classical physics. Ultra pathetic precision leads classical physics to arbitrarily large errors. Whereas computing with waves is forgiving, hence more precise in the long run.

Time to get causal in the wavy way, people, embracing wholeness and the implicate (spatial) order famed physicist David Bohm was speaking (more or less) about. The real truth is going to be even more subtle (to simplify this essay, I neglected Quantum Entanglement).

Conclusion? Whenever there is a logic, there is a context, and the logic implicates the context. This is true in pure logic (from introspection, and writing logic down), but also in the Quantum world (from experimenting in the real world).

Logic without context is nothing. Physics without space is nothing. Nature without the implicate spatial order is nothing either. Thinking globally is the only thinking there is.

Patrice Ayme’

QUANTUM WAVE

April 5, 2014

REAL WAVE, NOT BORN KNOWLEDGE WAVE.

Abstract: Quantum Waves are real. Because the alternatives are unreal. On the way I make a drastic epistemological critique of the Copenhagen Interpretation of Quantum Mechanics (“CI”), and its modern aspect, QBism. (For a general introduction, one can consult Nature’s March 26 2014 lead editorial: ”Be here now.” http://www.nature.com/news/be-here-now-1.14922.)

***

Quantum Physics, as usually formulated, uses “observers” and “measurements”. That approach was the invention of Bohr and his flock. It was celebrated by giving the Nobel to Born (a friend of Einstein) for making Quantum Waves into “Probabilistic Waves”.

Quantum Interference Gives Birth To The Universe

Quantum Interference Gives Birth To The Universe

As Nature’s “Be here now” puts it: “Bohr and Einstein argued about whether quantum mechanics allowed any room for the idea of realism — of an objective world that exists independently from our efforts to observe and measure it. Bohr insisted that physics was concerned with what we can know, and was silent on the matter of ‘how things really are’. He, Born and Heisenberg made claims about quantum theory’s challenge to causality and determinism that today look like a bit of an intellectual stretch.”

QBism (for Quantum Bayesian), Nature magazine sings the praises of, brings nothing new to CI. Bayesian probabilities (developed mostly by Laplace!) modify the ingredients of a probability computation to get a better fit to what’s observed.

Far from being sophisticated, I would argue that the probabilistic approach to Quantum Physics, although effective, is primitive. It is what I will call, a typical first order theory of reality.

Indeed thinking from “measurements” and “observers” is exactly the way a scary smart prehistoric man who knew nothing about a subject would proceed. As he would try to be as objective as possible. And make no mistake: today’s civilization rests on countless scary smart prehistoric men, some living hundreds of thousands years ago, and maybe more.

Confronted to the unknown phenomenon, the first thing prehistoric man will notice is that situation depends upon observer and measurement, causality and determinism are not in evidence. In other words, scary smart prehistoric man would be baffled, just the way Niels Bohr and his followers (Heisenberg, Born, etc.) were baffled.

However scary smart prehistoric man did not just stay baffled, as most physicists have resigned themselves to be. Instead scary smart prehistoric men built up meta-theories, that is all encompassing brain networks that made a given phenomenon into one. (It could be a theory of Tarpan Horse hunting, or of spring floods, bad weather incoming, or the local volcano.)

The probabilistic approach, “just shut up and calculate”, CI, is only a first approach. Real science substitute concepts with a life of their own to raw data. (That life is the appropriate brain machinery set-up to organize the data; that’s what causality is.)

Even human beings (“savants”) who are natural born computers, those who can tell you instantaneously what day of the week was February 17, 1924, adorn numbers with smells, texture, colors and personalities. Numbers become personalities in a landscape.

General philosophical metaprinciple out of that? Acquiring dimensionality is acquiring reality.

(This advanced remark is an allusion to the fact full Quantum wavefunctions can be arbitrarily high dimensional, and that has nothing to do with String Theory’s pitiful 11 dimensions. Ironically, that has been the main objection against the Pilot Wave Theories.)

For example, take the Moon. Try to be objective, while playing prehistoric man. What do you observe about the Moon as Homo Erectus? (Or equivalently, Arab in the desert, 20 centuries ago.)

The Moon? A white disk, sometimes a crescent, when most of the disk is obscured. If one wants to be objective, as a Prehistoric Man, nothing more. No proof, whatsoever, for a Prehistoric Man, that the Moon is a physical object. You can’t go there, you don’t have a rocket, and you cannot see mountains on the Moon, and their shadows, you don’t have the eyes of an eagle.

So, all right, for prehistoric man, the Moon is this whitish crescent-disk, and all you can do is measurements with what you have, the appearance of the thing.

One can measure the monthly appearances of the Moon by comparing it to the Solar Year, seasons, what not. Notice things come back in cycles, but not quite.

Maybe the Moon is the language of the gods, trying to talk to us? That was the interpretation made in Antique Mecca (with its 360 gods, but with the Moon dominating). So then, obviously the Moon was a message from God, observed the Muslims, and they believe in that to this day.

This is what Bohr’s CI and his modern imitators, the QBists, achieved. They have numbers, don’t understand where they come from, and made a cult around them.

When they claimed that one could not go any further (as Von Neumann stupidly claimed to have proven), deeper thinkers smirk.

The correct scientific approach is to go beyond numbers (this, by the way, is what inflationistas have done, with their Cosmic Inflation theory; and now everybody is excited about them). Sit down, and ponder: what could the Moon be? Could it be a real object?

What’s a real object? Answer: something endowed with more than the first set of numbers we got to know about it.

Of course, the first time scary smart prehistoric man comes across a situation he did not understand, but a situation that seems to reproduce itself, again and again, he set-up an experiment, hopefully a simplified version of what he observed. OK, so a horse fell from the cliff. Excellent meat for all for a full moon. Horse flees from man, so maybe man can make many horses fall off cliff, as needed.

Arrogant twerps who believe that modern man, preferably talking the Anglo-Normand dialect, invented the experimental method, know nothing of man.

Ever since man is man, man has found out about reality with experiments to observe how nature works. Quantum Physics is not any different.

Yes, the experiments depend upon the observer. So what? It dos not mean that all that could be observed has to be experienced. Quantum Interference is everywhere, it’s the essence of creation, and men observe it on a countable set, of measure zero.

Primitive Men Believe The Universe IS All About Themselves

Primitive Men Believe The Universe IS All About Themselves

Quantum Interference Does Not Depend Upon Man

Quantum Interference Does Not Depend Upon Man

The reality the experiments are after do not depend upon the observer. That Bohr and company could not figure it out, and, instead, started to dissect and not dissect the same cat, is a monument to the frailty of human intelligence.

John Bell (inventor of the Bell Inequalities to help check that Quantum Physics is non local) was ironical about this subject. He said:“What exactly qualifies some observer to play the role of ‘measurer’? Was the wavefunction of the world waiting to jump for thousands of millions of years until a single-celled living creature appeared? Or did it have to wait a little longer for some better qualified system… with a PhD?”

Or, even better, a Nobel prize?

Of course not. (Unfortunately, Bell, the head theorist at CERN, was felled by a heart attack at the age of 62, before he could debunk more of the orthodoxy.) As I said above, believing that what we observe depends upon the observer is the most primitive objective approach. In first approach to knowledge, it’s objective to admit one’s subjectivity.

Can the “wave function” in Quantum Physics be a real object? Of course yes. Go back to the Two Slit Experiment. (Feynman correctly pointed out that the entire mystery of Quantum Physics was within the 2-slit.)

All the appearance of what we observe, when conducting a 2-slit experiment, for example between our eyelashes, observing the pretty color patterns, is that wave interference is causing the apparition of photon(s) of light in some places (where the waves interfere positively) and not in others (where waves interfere destructively).

Those waves, between our eyelashes are as real as waves in a port, no matter what a thousand Nobel laureates in physics may want to bleat about. (Lay on your back in the sun, and look through your eyelashes as you close them: this is my portable version of the 2-slit experiment.)

So what are these waves?

Above I shot down the subjective-knowledge theory of Bohr-Born-QBism. They reason from the first appearance, and forgot that experiments require, they always did, a carefully contrived measurement process, and an observer. They went prehistoric, and don’t know about it.

What’s left to understand Quantum Physics? Only two classes of theories are left.

One of them is the maniacal “Multiverse” “theory”. That insanity claims that any fundamental process generates as many universes as there are possibilities for it to evolve into. It’s an attempt to “save determinism”.

Unfortunately, the madness is infecting physics; just when we thought physics was ruled with not too smart a theory, an insane one comes to dominate. (The Multiverse was invented partly because of confusion about Schrodinger cats, as I hinted above: lack of philosophical sophistication killed the cats.)

What are we left with? De Broglie’s Pilot Wave theories. (In Anglo-Saxonia, this is known as “De Broglie-Bohm” theory, because that makes the Anglo-Saxon equal to the French, but, truly, De Broglie invented it all by himself.)

My own theory is a sci-fi version of the Pilot-Double Solution theory. It predicts Dark Matter readily (as very low mass, very weakly interacting particles, so it definitively makes falsifiable predictions).

Some will say that I am absurd, and, instead, should learn the “Standard Model” (SM) of particle physics. SM and Quantum Theory are the most successful physical theories ever, with incomparable precision.

Yet, that precision is an illusion. Theories explaining everything with 100% precision have existed in the last 25 centuries, at least (say the geocentric theory, viewed as correct, and unique, from Archimedes to Buridan, that is for 16 centuries). OK, some of those champions of the past turned out to be wrong (outside of the realm in which they had been initially checked). What’s the difference this time?

The difference, this time, is that we know that the Standard Model is wrong (Whereas the Greeks, 18 centuries ago thought the geocentric system was 100% right). Why? It explains at most 4% of the matter-energy out there (and even then with three dozens fundamental parameters!). At least my inchoate theory explains readily 30% of what’s out there in the Cosmos.

Anyway, there is no much choice for the foundations of Quantum Physics. It’s either the Schrodinger cats, simultaneously skinned and not skinned, or its deranged contradictor, the Multiverse shall rule over the mental asylum… Or the Pilot Wave theories will finally emerge.

This ship needs a pilot, to steer among the waves. As we will see in the future, this has tremendous consequences, be it only for the theory of “The Now”, as Einstein called it (and for which he had nothing to propose, although he was very worried by it, as Nature points out in “Be here now“).

Let’s conclude with a piece of ancient hanse wisdom, as it used to be written:

FLVCTVAT NEC MERGITVR (It Fluctuates, Never Sinks; Paris’ 2,000 years old motto.)

Patrice Aymé


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Human Biodiversity, IQ, Evolutionary Psychology, Epigenetics and Evolution

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Of Particular Significance

Conversations About Science with Theoretical Physicist Matt Strassler

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in truth, only atoms and the void

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GrrrGraphics on WordPress

www.grrrgraphics.com

Skulls in the Stars

The intersection of physics, optics, history and pulp fiction

Footnotes to Plato

because all (Western) philosophy consists of a series of footnotes to Plato

Patrice Ayme's Thoughts

Striving For Ever Better Thinking. Humanism Is Intelligence Unleashed. From Intelligence All Ways, Instincts & Values Flow, Even Happiness. History and Science Teach Us Not Just Humility, But Power, Smarts, And The Ways We Should Embrace. Naturam Primum Cognoscere Rerum

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Dogs are animals of integrity. We have much to learn from them.

ianmillerblog

Smile! You’re at the best WordPress.com site ever

NotPoliticallyCorrect

Human Biodiversity, IQ, Evolutionary Psychology, Epigenetics and Evolution

Political Reactionary

Dark Enlightenment and Neoreaction

Of Particular Significance

Conversations About Science with Theoretical Physicist Matt Strassler

Rise, Republic, Plutocracy, Degeneracy, Fall And Transmutation Of Rome

Power Exponentiation By A Few Destroyed Greco-Roman Civilization. Are We Next?

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Omnes vulnerant, ultima necat

GrrrGraphics on WordPress

www.grrrgraphics.com

Skulls in the Stars

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because all (Western) philosophy consists of a series of footnotes to Plato

Patrice Ayme's Thoughts

Striving For Ever Better Thinking. Humanism Is Intelligence Unleashed. From Intelligence All Ways, Instincts & Values Flow, Even Happiness. History and Science Teach Us Not Just Humility, But Power, Smarts, And The Ways We Should Embrace. Naturam Primum Cognoscere Rerum

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ianmillerblog

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