Quantum Theory

Daily Inspiration — Matter and Antimatter

- Advertisement -<p>In the early days of quantum mechanics, Paul Dirac figured out that for every kind of particle there is another particle that is the …

Physics

Hydrogen dissociation measurement puts theory at odds with experiment

The most precise experimental value for the dissociation energy of molecular hydrogen has been measured by an international team led by Wim Ubachs at …

Physics

Is this our first clue to a world beyond quantum theory?

NATURE gives rise to weird and wonderful things: dancing plants, sailing stones, flamingos. But no one, except perhaps on a hallucinogenic trip, has …

Quantum Mechanics

Optimal measurements for quantum spatial superresolution

Author(s): J. Řeháček, Z. Hradil, D. Koutný, J. Grover, A. Krzic, and L. L. Sánchez-SotoWe construct optimal measurements, achieving the ultimate …

Quantum Physics

Seven Brief Lessons on Physics by Carlo Rovelli review – quantum theory made charming

A brief attempt to engage readers in the biggest questions of physics dwells on beauty and wonder<p>In the early 1960s, famed physicist Richard Feynman …

Quantum Mechanics

How to think about… Schrödinger’s cat

IT IS the most famous case of animal cruelty in physics. Or is it?<p>When, back in the 1930s, physicist Erwin Schrödinger dreamed up his notorious …

Science

Quantum information in Einstein’s universe

Quantum teleportation was recently demonstrated between Earth and satellite-based links. Using the properties of quantum entanglement, several groups …

Quantum Physics

Sorry, Einstein. Quantum Study Suggests ‘Spooky Action’ Is Real

In a landmark study, scientists at Delft University of Technology in the Netherlands reported that they had conducted an experiment that they say …

Quantum Physics

The Bizarre and Wonderful World of Quantum Theory—And How Understanding It Has Ultimately Changed Our Lives

<i>“In fact, it is often stated that of all the theories proposed in this century, the silliest is quantum theory. Some say that the only thing that</i> …

Quantum Mechanics

Stars gravitate to Stephen Hawking’s memorial service

It’s hard to imagine another place in space-time where A-list celebrities and physicists would collide so powerfully. But no other scientist has a …

Stephen Hawking

Quantum theory is not only about information

In his recent book Bananaworld. Quantum mechanics for primates, Jeff Bub revives and provides a mature version of his influential …

Quantum Mechanics

New Quantum Theory Suggests that the Future May Be Influencing the Past

“If we don’t learn from our mistakes, we will be doomed to repeat them.” An age-old piece of advice, suggesting that our actions in the past will …

Quantum Physics

Learn Quantum Theory in Ten Minutes

So you want to learn quantum theory in ten minutes? Well I certainly can’t give you the full theory in all its wonder and all its gory detail in that …

Quantum Mechanics

Scientists Have an Experiment to See If the Human Mind Is Bound to the Physical World – Page 3

If the correlation between the measurements don’t match previous Bell tests, then there could be a violation of quantum theory that suggests A and B …

Consciousness

Does ‘Quantum Theory’ prove consciousness moves to another universe after death?

<b>As controversial as it may sound to many, there are several theories that indicate that man’s consciousness moves to another place after death.</b> …

Consciousness

New quantum probability rule offers novel perspective of wave function collapse

Quantum theory is based heavily on probabilities, since measuring a quantum system doesn't produce the same outcome every time, but instead yields …

Quantum Physics

A pragmatist view of the metaphysics of entanglement

Quantum entanglement is widely believed to be a feature of physical reality with undoubted (though debated) metaphysical implications. But …

Philosophy of Science

Quantum Theory: Realism or Pragmatism?

During his long and extraordinarily productive career Hilary Putnam occasionally flirted with pragmatism. But his scientific realism provided a fixed …

Philosophy of Science

Physicists Want to Rebuild Quantum Theory From Scratch

Scientists have been using quantum theory for almost a century now, but embarrassingly they still don’t know what it means. An informal poll taken at …

Quantum Mechanics

Waking Up Podcast #22 — Surviving the Cosmos

David Deutsch is best known as the founding father of the quantum theory of computation, and for his work on Everettian (multiverse) quantum theory. …

Oxford University

On observation of position in quantum theory

Newtonian and Scroedinger dynamics can be formulated in a physically meaningful way within the same Hilbert space framework. This fact was recently …

Philosophy of Science

Max Planck and the Quantum Theory

Max Planck (1858 – 1947)<p>On April 23, 1858, German theoretical physicist <b>Max Planck</b> was born, who originated quantum theory, which won him the Nobel …

Physics

Quantum Theory Proves Consciousness Moves To Another Universe After Death

Soul quanta<p>So, there is abundance of places or other universes where our soul could migrate after death, according to the theory of neo-biocentrism. …

Consciousness

The big fudge: Welcome to the theory of not-quite-everything

GRAVITY just doesn’t play ball. It is the odd one out, the square peg in the round hole. It is a party pooper, a stick-in-the-mud, an old …

Science

Easing uncertainty: How Heisenberg's uncertainty principle can be relaxed

Heisenberg's uncertainty principle -- the fundamental impossibility of simultaneously measuring entities such as position and momentum exactly -- is …

Quantum Physics

Reverse engineering consciousness: Is the brain a quantum computer?

The human brain is often described as a powerful computer, a metaphor that leads many experts to fear AI could one day become sentient. But what if developers seeking to create machines that think are barking up the wrong tree?<p>Our minds, according to some, are actually <i>quantum</i> computers. And, if …

Consciousness

On a Relativistically Invariant Formulation of the Quantum Theory of Wave Fields * | Progress of Theoretical Physics

*<p>Translated from the paper, Bull. I. P. C. R. (Riken-iho), <b>22</b> (1943), 545, appeared originally in Japanese.<p>References<p>(1)<p>Yukawa<p>H.<p>.<p>,<p>Kagaku<p>,<p>1924<p>, …

Quantum Mechanics

Search Results | Progress of Theoretical Physics

1-2 of 2<p>Close<p>Sin-ichirô Tomonaga<p>Sort by<p>Sort Order Select<p>Journal Article<p>On a Relativistically Invariant Formulation of the Quantum Theory of Wave …

Theoretical Physics

Hawking's bid to save quantum theory from black holes

AAAS login provides access to <i>Science</i> for AAAS members, and access to other journals in the <i>Science</i> family to users who have purchased individual …

Quantum Physics

Crafting Quantum Theory: Margrethe Bohr and the Labor of Theoretical Physics

By Megan Shields Formato<p>While the personal correspondence and public lectures of the Nobel Prize winning theoretical physicist, Niels Bohr, often …

Quantum Physics