# Quantum Mechanics Articles

### The Quantum Mystery of Wigner's Friend

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In this Insight I will introduce the quantum mystery called Wigner's…

### The Unreasonable Effectiveness of the Popescu-Rohrlich Correlations

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In this Insight, I will show how the Popescu-Rohrlich (superquantum)…

### Why the Quantum | A Response to Wheeler's 1986 Paper

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Wheeler's opening statement in his 1986 paper, How Come the…

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### "Classical Physics Is Wrong" Fallacy

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One of the common questions or comments we get on PF is the claim…

### Introduction to Perturbative Quantum Field Theory

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This is the beginning of a series that gives an introduction…

### How I Stopped Worrying and Learned to Love Orthodox Quantum Mechanics

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Many people here know that I am a "Bohmian", i.e. an adherent…

### Entanglement Entropy: Quantum Mechanics

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Quantum Mechanics(QM) is one of the greatest intellectual achievements…

### The Vacuum Fluctuation Myth

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This Insight Article is a sequel of the Insight Articles ”The…

### Why Is Quantum Mechanics So Difficult?

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Strangely enough, QM's formalism isn't any more difficult than…

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This Insight Article is a sequel of the Insight Article ''The…

### How the EPR Paradox Fits Between Entanglement and Nonlocality

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If we violate a Bell inequality, we know we have quantum entanglement,…

### Tools to Enrich our Quantum Mechanics Interpretations Discourse

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IntroductionMany times, we encounter ourselves…

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### Struggles With The Continuum: Quantum Mechanics of Charged Particles

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Last time we saw that that nobody yet knows if…

### Retrocausality: How Fundamental is the Arrow of Time?

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In this Insight, I'll discuss a recent experiment ([1]  [2]…

### Weak Values Part 2: The Quantum Cheshire Cat Experiment

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In a previous Insight, Weak Values Part 1: "Asking Photons Where…

### Visualizing the 2-D Particle in a Box

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The particle in a box is a staple of entry-level Quantum Mechanics classes…