This is the fifth in a series of articles addressing the question “What is time?” Here I’ll examine how time in quantum mechanics is strange.
An obvious question, then, would be: is time divided up into discrete quanta? According to quantum mechanics, the answer appears to be “no”, and time appears to be in fact smooth and continuous (contrary to common belief, not everything in quantum theory is quantized). Tests have been ...
relativistic quantum mechanics/ event enhanced quantum theory methodEEQT methodGalilei-Newton general relativistic quantum mechanicsirreversible quantum dynamicsdissipative Liouville equation/ A0365B Foundations, theory of quantum measurement, miscellaneous quantum theories A0230 Function theory, analysis...
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If we go back more than 13 billion years, we end up at this point where we expect the quantum effects in space and time become really important, so we need to understand the quantum structure of space and time. We simply don’t know what happens when we get to this very beginning. ...
Quantum cognition is a new research program that uses mathematical principles from quantum theory as a framework to explain human cognition, including judgment and decision making, concepts, reasoning, memory, and perception. This research is not concerned with whether the brain is a quantum computer...
What Are Challenges to Quantum Memory? What is the Quantum Critical Point? What Are the Quantum Mechanics of Photosynthesis? What Are Some Tests for Quantum Gravity and the Theory of Everything?
What is quantum-safe cryptography? Quantum-safe cryptography secures sensitive data, access and communications for the era of quantum computing. Almost everything you do on a computer uses cryptography. That's why, most of the time, intruders can't read your emails, access your medical records...
The 24-cell exists in 4- dimensional Euclidean geometry, but Minkowski space-time is 4- dimensional “pseudo-Euclidean”. This can be simply resolved if time is represented as an imaginary spatial dimension which is well-established in quantum field theory [42] and in Euclidean quantum gravity ...
Learn how quantum computing works, how it compares to classical computing, and how it uses the principles of quantum mechanics.